Home

Service Manual

1. om036f eps Figure 6 27 Connecting the Calibrator Mainframe to the HP Power Meter and Power Sensor 6 101 5500A Service Manual 6 130 Low Frequency Verification This procedure provides an example of testing low frequency flatness using a 5 5 V output Follow the same procedure for testing other amplitudes only compare results against the flatness specification listed in Table 6 61 1 Program the Calibrator Mainframe for an output of 5 5 V 500 kHz Press on the Calibrator Mainframe to activate the output 2 Allow the 57904 reading to stabilize The 5790A should display approximately 1 94 V rms Enter the 5790A reading in Column A of Table 6 61 3 Enter 50 kHz into the Calibrator Mainframe Allow the 5790 reading to stabilize then enter the 5790A reading in Column B of Table 6 61 4 Enter the next frequency listed in Table 6 61 Allow the 5790 reading to stabilize then enter the reading into Column A of the table 5 Enter 50 kHz into the Calibrator Mainframe Allow the 5790A reading to stabilize then enter the 5790A reading in Column B of Table 6 61 6 Repeat steps 4 and 5 for all of frequencies listed in Table 6 61 Continue until you have completed Columns A and B 7 When you have completed Columns A and B press to remove the Calibrator Mainframe s output Complete Table 6 61 by performing the calculat
2. Phase Specifications 0 120 2 20140 2 200 2040000000000 Calculating Power Uncertainty esses Additional Specifications essere Frequency 8 44002 204 10 0 00000000000 Harmonics 27440 50 Specifications AC Voltage Sine Wave Extended Bandwidth Specifications AC Voltage Non Sine Wave AC Voltage DC Offset Specifications esses AC Voltage Square Wave 5 AC Voltage Triangle Wave Characteristics typical AC Current Sine Wave Extended Bandwidth Specifications AC Current Non Sinewave Specifications AC Current Square Wave Characteristics typical AC Current Triangle Wave Characteristics typical 5500A Service Manual 1 2 1 1 Introduction and Specifications 1 Introduction Introduction The Fluke Model 5500A Multi Product Calibrator Figure 1 1 is a precise instrument that calibrates a wide variety of electrical measuring instruments With the 5500A Calibrator you can calibrate precision multimeters that measure ac or dc voltage ac or dc current ac or dc power resistance capacitance and temperature With the Oscilloscope Calibr
3. BNC F to 3 5 mm m Adapter om064f eps Figure 6 22 Edge Rise Time Verification Setup The Calibrator Mainframe should be in SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Press the softkey under TRIG to select the TRIG 1 External Trigger output Program the Calibrator Mainframe to output 250 mV 1 kHz Set the DSO to these parameters Digital Storage Oscilloscope Setup Main Time Base position initial 40 ns Horizontal scale 500 ps div Measurement Function Rise Time 1 Program the Calibrator Mainframe to output the voltage and frequency listed in Table 6 56 Press on the Calibrator Mainframe to activate the output 2 Change the vertical scale of the DSO to the value listed in the table Adjust the main time base position and vertical offset until the edge signal is centered on the display Record the rise time measurement in column A of Table 6 56 Refer to Figure 6 23 3 Correct the rise time measurement by accounting for the SD 22 26 sampling head s rise time The SD 22 26 rise time 15 specified as 28 ps Column B sqrt Column A SD 22 26 rise time 4 The edge rise time measured should be less than the time indicated in Table 6 56 6 94 SC300 Option 6 Verification Rise time measures between these two points om033i eps Figure 6 23 Edge Rise Time Table 6 56 Ed
4. AC Voltage Harmonic Amplitude Accuracy NORMAL see AC Voltage Harmonic Amplitude Accuracy DC Voltage Offset Accuracy 4 1 4 40 2000000000000000000000000000000000500 5500A Service Manual 3 37 AC Voltage Accuracy with a DC Offset 4 1 Internal Puse Locations 4 2 Error Message Format eei etes rie E 9 1 Chassis Asser bly i 5 2 Front Panel Assembly mette dae rr ELE ee eR NP STIR re denas 5 3 Rear Panel Assembly etaient 6 1 Specifications tinet eden inte neue SER IRSE 6 6 6 2 Edge 6 7 6 3 Leveled Sine Wave Specifications 6 8 6 4 Time Marker Specifications 1 0 2 411 2 0 10 040 6 9 6 5 Wave Generator 8 0 ener eren 6 9 6 6 Pulse Generator Specifications esses 6 10 6 7 Trigger Signal Specifications Pulse 6 10 6 8 Trigger Signal Specifications Time Marker Function esses 16 10 6 9 Trigger Signal Specifications Edge Function 6 11 6 10 Trigger Signal Specifications Square Wave
5. 6 14 Overload Function Verification Setup 6 15 Adjusting the Leveled Sine Wave Balance sss xi 5500A Service Manual Adjusting the Leveled Sine Wave Harmonics Adjusting Short Term 19300 Block Diagram eee Equipment Setup for SC300 Square Wave Connecting the Calibrator Mainframe to the 5790 AC Measurement Standard Frequency Verification Setup sssssssssssesseseeeee eene Edge Rise Time Verification s Edge Rise TIME aries EAS Leveled Sine Wave Harmonics Verification Connecting the Calibrator Mainframe to the 5790 AC Measurement Standard Connecting the HP E4418A Power Meter to the HP 8482A or 8481D Connecting the Calibrator Mainframe to the HP Power Meter and Power Sensor Wave Generator Verification Setup 2 Adjusting the Leveled Sine Wave Harmonics sese Adjusting Short Term Adjusting the Leveled Sine Wave Balance Adjusting the Leveled Sine Wave Harmonics Adjusting the Wave Peak Center with 168 Adjusting Base of Peak with 57 Adjusting the Ledge with 16 Adjusting the Peak Base with 57 Adjus
6. POWER 7 om034f eps Figure 6 20 Connecting the Calibrator Mainframe to the 5790A AC Measurement Standard 6 108 Leveled Sine Wave Flatness Calibration Leveled Sine Wave flatness calibration is divided into two frequency bands 50 kHz to 10 MHz low frequency and gt 10 MHz to 300 MHz high frequency The equipment setups are different for each band Flatness calibration of the low frequency band is made relative to 50 kHz Flatness calibration of the high frequency band is made relative to 10 MHz Leveled Sine Wave flatness is calibrated at multiple amplitudes Both low and high frequency bands are calibrated at each amplitude Calibration begins with the low frequency band then the high frequency band for the first amplitude followed by the 6 82 6 109 6 110 SC300 Option 6 Calibration and Verification of Square Wave Functions low frequency band then the high frequency band for the second amplitude and so on until the flatness calibration is complete Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure leveled sine flatness Low Frequency Calibration Connect the Calibrator Mainframe SCOPE connector to the 57904 WIDEBAND input as described under Equipment Setup for Low Frequency Flatness Follow these steps to calibrate low frequency Leveled Sine Wave flatness for the amplitude being calibrated 1 Press the GO ON blue softkey 2
7. 6 68 6 86 Voltage Function Specifications sese 6 68 6 87 Edge Function Specifications seen 6 69 6 88 Leveled Sine Wave Function 6 70 6 89 Time Marker Function Specifications esses 6 71 6 90 Wave Generator Specifications esses 6 71 6 9 Trigger Signal Specifications for the Time Marker Function 6 72 6 92 Trigger Signal Specifications for the Edge Function 6 72 6 93 Theory of Operation sssssssssssseeseeereerenr nennen enne 6 72 6 94 Voltage T 6 72 6 95 Edge Mode iicet teret deg dee NSKE xxt ERE Ee eue 6 72 6 96 Leveled Sine Wave Mode sese 6 72 6 97 Time Marker Mode esi trece 6 72 6 98 Wave Generator Mode sess 16 73 6 99 Equipment Required for Calibration and Verification 6 75 6 100 SC300 Calibration Setup entes 16 77 6 101 Calibration and Verification of Square Wave Functions 6 78 6 102 Overview of HP3458A Operation sse 6 78 6 103 Setup for Square Wave 6 78 6 104 DC Voltage Calibration sese 6 79 6 105 AC Square Wave Voltage Calibration sees 6 80 6 106 Edge Amplitude C
8. Contents continued 6 50 DC Voltage Verification at 50 2 eene 6 86 6 51 AC Voltage Verification at 1 eene nennen 6 88 6 52 AC Voltage Verification at 50 6 89 6 53 AC Voltage Frequency Verification essssssssssseeeeeee ene 16 91 6 54 Edge Amplification Verification sess nnne 6 92 6 55 Edge Frequency Verification 6 92 6 56 Edge Rise Time Verification sess enne nennen 6 95 6 57 Edge Aberratiohs eee cte totes ee ERR e idea ER ERR Ra Ranae 16 96 6 58 Leveled Sine Wave Amplitude Verification 6 97 6 59 Leveled Sine Wave Frequency Verification 0 4 4 6 98 6 60 Leveled Sine Wave Harmonics 6 99 6 61 Low Frequency Flatness Verification at 5 5 V 6 102 6 62 High Frequency Flatness Verification at 5 5 6 103 6 63 High Frequency Flatness Verification at 7 5 mV sss 6 104 6 64 High Frequency Flatness Verification at 25 6 104 6 65 High Frequency Flatness Verification at 70 mV sss 6 105 6 66 High Frequency Flatness Verification at 250 6 105 6 67 High Frequency Flatness Verification at 800 mV sess 6 106 6 68 High
9. 6 82 6 109 Low Frequency Calibration esses 6 83 6 110 High Frequency Calibration esses 6 83 63111 c tret Pe eer 6 84 6 112 DC Voltage Verification essere 6 84 6 113 Verification at 1 6 84 6 114 Verification at 5002 pedi erige tte studs 6 84 6 115 AC Voltage Amplitude Verification 16 87 6 116 Verification at 1 si ier 6 87 6 117 Verification 500 6 89 6 118 AC Voltage Frequency Verification sese 6 90 6 119 Edge Amplitude Verification esee 6 9 6 120 Edge Frequency 6 92 6 121 Edge Duty Cycle Verification sess 6 93 6 122 Edge Rise Time 6 93 6 123 Edge Abberation 1 40440004402000000000000000 0000004 6 95 6 124 Leveled Sine Wave Reference Verification 6 96 6 125 Leveled Sine Wave Frequency Verification sess 6 97 6 126 Leveled Sine Wave Harmonics Verification esses 6 98 5500A Service Manual 6 127 6 128 6 129 6 130 6 131 6 132 6 133 6 134 6 135 6 136 6 137 6 138 6 139 6 140 6 141 6 142 6 143 6 144 6 145 6
10. E a S em J J mm J J Caw RN RNC NN Cem mew www _ mew o9 mew poem mem mw mew mew pom NN RN Ca 6 86 6 115 6 116 SC300 Option 6 Verification AC Voltage Amplitude Verification This procedure uses the following equipment Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter 50 feedthrough termination as required BNC cable supplied with the SC300 For ac voltage amplitude verification refer to Figure 6 19 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Volt menu on the display Then proceed with the next sections to verify the AC Voltage function Verification at 1 For the 1 verification connect the Calibrator Mainframe s SCOPE connector to the HP 34584 input using the cable supplied with the Calibrator Mainframe and the BNC f to Double Banana adapter Connect the Calibrator Mainframe TRIG OUT connector to the HP 3458A Ext Trig connector located on the rear of that instrument Make sure the Calibrator Mainframe impedance is set to 1 The blue softkey under Output Z toggles the impedance between 50 and 1 1 When making measurements at 1 kHz set the HP 34584 to the values shown in Table 6 48 Manually lock th
11. sse 4 2 Exploded View of Front Panel Assemblies sss S L Chassis Assembly iiie te e rede ture edle IER pA eeu 5 2 Front Panel Assembly etes eS tede EHE rne dae rdc 5 3 Rear Panel Assembly tae e E uvae 5 4 Wiring Diagram eei he eed deg eed IRE sa qe ER RT qas 6 1 8 600 Block Diagram 2 2 2 4 4 2 00041 000000000 eene emen 6 2 Equipment Setup for SC600 Voltage Square Wave Measurements 6 3 Equipment Setup for SC600 Edge and Wave Gen Square Wave Measurements 6 4 Connecting the Calibrator Mainframe to the 57904 AC Measurement Standard 6 5 MeasZ Function Calibration Setup essessssseseeeeeeeen eene nennen 6 6 Voltage Frequency Verification Setup 2222 6 7 Edge Rise Time Verification Setup sse nennen 6 8 Edge Rise SESS 6 9 Leveled Sine Wave Harmonics Verification 6 10 Connecting the Calibrator Mainframe to the 57904 AC Measurement Standard 6 11 Connecting the HP E4418A Power Meter to the HP 8482A or 8481D POW 6 12 Connecting the Calibrator Mainframe to the HP Power Meter and Power Sensor _6 4 6 13 Wave Generator Verification Setup
12. 0355380 38 1SNW nig 108 318y1d322Y SI 63418 13101A 3LIHM ONY 311HM 10 ONY WNIMHS 1 N33M138 12 1 02 dlyd 30 LNN YO ONIS MNINHS LY3H LON 1 5381 30 HiYd 2 18 NO ONIGDI XNINHS 1 lt lt 19 0314123dS JSIMYIHLO 553191 S310N 19 1 NUB LHM 301 8 11 130 335 T1V130 335 EH Y EH EH I EH 802r o 102 902 S02f o voere 8y LY 9v vv ejeoir n 5 Diagram iring W Figure 5 4 5 12 Chapter 6 Oscilloscope Calibration Options e Option 5500A SC600 see pagel6 3 e Option 5500A SC300 see pagel6 65 6 1 5500A Service Manual 6 2 SOON On dx Chapter 6 SC600 Option Title Page Tmt ERR SCO
13. Sequence cardinal 5 2 1 from 5 s to 2 ns e g 500 ms 200 ms 100 ms points Adjustment Range At least 10 around each cardinal points 1 tis the time in seconds Examples At 5 s the uncertainty is 5 025 ppm At 50 us the uncertainty is 25 75 ppm 2 The 2 ns time marker is typically gt 0 5 V p p 3 Away from the cardinal points add 50 ppm to uncertainty 6 90 Wave Generator Specifications Wave Generator Characteristics Square Wave Sine Wave and Triangle Wave into 50 Q or 1 MQ Amplitude Range into 1 MQ 1 8 mV to 55 V p p into 50 Q 1 8 mV to 2 2 V p p 1 Year Absolute Uncertainty tcal 3 of p p output 100 uV 5 C 10 Hz to 10 kHz Typical DC Offset Range to 24096 of p p amplitude 1 Frequency 1 Year Absolute Uncertainty 5 6 71 5500A Service Manual 6 91 Trigger Signal Specifications for the Time Marker Function Time Marker Division Ratio 1 Amplitude into Typical Rise Time Period 500 E 5t050ms to 50 ms 000 gt 1 lt 426 ns 6 92 Trigger Signal Specifications for the Edge Function Edge Signal Division Ratio Amplitude into Typical Rise Time Frequency 50 O p p 6 93 Theory of Operation The following discussion provides a brief overview of the following SC300 operating modes voltage edge leveled sine wave time marker and wave generator This discussion will allow you to identify which
14. we 9 71 ww o 99 soy om 3e ome 9 xev m xw ome 999 wv e wv ww 1 S e 6 88 SC300 Option 6 Verification 6 117 Verification at 50 2 For the 50 verification connect the Calibrator Mainframe s SCOPE connector to the HP 34584 input using the cable supplied with the Calibrator Mainframe the external 50 Q termination and the BNC f to Double Banana adapter The 50 Q termination is closest to the HP 34584 input Make sure the Calibrator Mainframe impedance is set to 50 Q The blue softkey under Output Z toggles the impedance between 50 Q and 1 Proceed with the following steps 1 Setthe HP 34584 to the values shown in Table 6 48 Manually lock the HP 3458A to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at each step 2 Measure the topline first as indicated in Table 6 52 For each measurement take samples for at least two seconds using the HP 3458A MATH functions to determine the average or mean value See Setup for Square Wave Measurements for more details 3 Measure the baseline of each output after the corresponding topline measurement as indicated in Table 6 52 The peak to peak value is the difference between the topline and baseline measurements Multiply the readings by 0 5 50 Rload Rloa
15. 2 1 2 2 A12F2 831990 A 2 A 250 V Slow Blow Motherboard ASF1 to 10 806331 4 15 Complete List of Error Messages The following is a list of the 5500A Calibrator error messages The error message format is shown in Table 4 2 Table 4 2 Error Message Format Message Class Description Text characters 010 65535 QYE Query Error caused by F Error is displayed on the Up to 36 text a full input buffer front panel as it occurs characters unterminated action or interrupted action DDE Device Specific Error R Error is queued to the caused by the 5500A due to remote interface as it occurs some condition for example overrange EXE Execution Error caused S Error causes instrument to by an element outside of or go to Standby inconsistent with the 5500A capabilities CME Command Error D Error causes instrument caused by incorrect command returns to the power up state syntax unrecognized header or parameter of the wrong type none Error is returned to the initiator only i e local initiator or remote initiator 0 QYE No Error 1 DDE FR Error queue overflow 100 DDE FR D Inguard not responding send 101 DDE FR D Inguard not responding recv 102 DDE FR D Lost sync with inguard 103 DDE FR Invalid guard xing command 104 105 106 107 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
16. Clark Hess BO Phase Meter n ec Signal Terminals 0 1 Ohm shunt placed as closely as possible to the AUX terminals of the 5500A If the Phase Meter LO terminals are not common use a short between NORMAL LO and AUX LO on the 5500A om015f eps Figure 3 8 Volts and Current Phase Calibration Table 3 11 Volts and Current Phase Calibration Steps vos NORMAL Output Volts Current Output Amps Frequency Hz 0 phase 3 00E 00 300E 03 500E 000 3 00E 00 300E 03 10E 3 Se mem s mem amem oem 3 19 Remote Commands for 5500A Calibration Calibration of the 5500A using remote commands is simple To access calibration steps described in paragraphs 3 6 through 3 15 simply send the command CAL START MAIN To access calibration steps described in paragraphs 3 16 through 3 18 send the command CAL START FACTORY Calibration and Verification 3 Calibration To jump to specific calibration steps these two commands can be modified by specifying an entry point The allowable entry points are as shown in Table 3 12 Table 3 12 Jumping to a Specific Calibration Step in Remote _ For example to jump directly to AC Volts calibration send the command AUX AC Volts E 2 3 CAL START MAIN AV To go directly to Resistance calibration send the command CAL START MAIN R To go directly to Phase ca
17. mov 6 30 SC600 Option 6 Verification Table 6 20 DC Voltage Verification at 500 Calibrator Tolerance Mainframe Agilent 3458A Reading 34m oew 5X2mV sew 24 osm oww sow 8 9S 2502mV aow sow aew osm osem Mozi5mv moasmw 100 585 mv my 50020 ummy SOOO mW teas a t055 vas a sn vais sts ees 6 47 AC Voltage Amplitude Verification This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter BNC f to Double Banana adapter e 50 feedthrough termination e BNC cable supplied with the SC600 e BNC cable to connect the Calibrator Mainframe TRIG OUT to the HP 3458A Ext Trig For AC voltage amplitude verification refer to Figure 6 2 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Volt menu on the display Then follow these steps to verify the AC Voltage function 6 48 Verification at 1 MQ For the 1 MQ verification connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the cable supplied with the Calibrator Mainframe and the BNC f to Double Banana adapter Connect the Calibrator Mainframe TRIG OUT connector to the HP 3458A
18. Q 6 1 Introduction nisse tet eet inen petite P etes 6 2 sie ed Tea eae eet anta 6 3 SC600 Specifications ccccssecsseceseceneceseceeeceeeeeeeeeeeeeeseeeseeseeetseessees 6 4 Volt Specifications R 6 5 Edge Specifications sese 6 6 Leveled Sine Wave Specifications sse 6 7 Time Marker Specifications essen 6 8 Wave Generator Specifications sss 6 9 Pulse Generator Specifications 6 10 Trigger Signal Specifications Pulse 6 11 Trigger Signal Specifications Time Marker Function 6 12 Trigger Signal Specifications Edge Function 6 13 Trigger Signal Specifications Square Wave Voltage Function 6 14 Trigger Signal Specifications sse 6 15 Oscilloscope Input Resistance Measurement Specifications 6 16 Oscilloscope Input Capacitance Measurement Specifications 6 17 Overload Measurement Specifications sss 6 18 Theory of Operation ener a 6 19 Voltage Mode 6 20 Edge mre iive 5500A Service Manual 6 21 Leveled Sine Wave Mode 4 1 2 400 2402 2 00000000000 00000000504 6 22 Time Marker Mode
19. ____ am wem oo am Bam pem ______ ee Bam um o de am wm o oe aum som _____ oe em ______ ___ mm em je _____ mm foem _____ mm mm T _____ _____ um wm ______ mm wm je mm froma mm wm jw mm wm ______ mm _____ jw m o oS ma p _____ fea ______ ____ ____ e D em m pode _____ pm S o dem 3 22 Calibration and Verification 3 Performance Verification Tests 3 30 Hesistance Accuracy The Resistance Accuracy test verifies the accuracy of synthesized resistance at the 5500A Calibrator front panel NORMAL terminals See Figure 3 3 for test equipment connection instructions For resistances of less than 110 use the four wire COMP option For resistances of 110 or higher the COMP option is automatically turned off Table 3 16 shows the test points Table 3 16 Resistance Accuracy Test Ra m m ma eme mua em S S ma Ee Ua eem S S Ema pem Gea pem Gea S S pem pem S S B pem Ba pm Ba O OSOS mes pem mea Da me pm me o o pm wa we me Dea 3 23 5500A Serv
20. Spectrum Analyzer Setup Start Frequency 50 MHz Stop Frequency 500 MHz Resolution Bandwidth 3 MHz Video Bandwidth 3 kHz Reference Level 20 dBm 2 Use your Spectrum Analyzer s Peak Search function to find the desired reference signal The Analyzer should show the fundamental and second and third harmonics The harmonics need to be adjusted so that the second harmonic is at 40 dBc and third harmonic should typically be at 50 dBc as shown in Figure 6 16 3 To adjust the harmonics adjust R8 as shown in Figure 6 16 until the peaks of the second and third harmonic are at the correct dB level You may find that you can place the second harmonic at 40 dBc but the third harmonic is not at 50 dBc If this is the case continue adjusting R8 The second harmonic will fluctuate but there is a point at which both harmonics will be at the correct decibel level 2nd harmonic 3rd harmonic om051f eps Figure 6 16 Adjusting the Leveled Sine Wave Harmonics 6 80 Adjusting the Aberrations for the Edge Function Adjustments need to be made after repair to the edge function to adjust the edge aberrations 6 62 6 81 6 82 SC600 Option 6 SC600 Hardware Adjustments Note To verify the edge aberrations back to national standards you should send your Calibrator Mainframe to Fluke or other facility that has established traceability for aberrations Fluke for example has a reference puls
21. Table 3 18 AC Voltage Amplitude Accuracy Test NORMAL Nominal Value Frequency Measured Value Deviation 96 90 Day Spec V NORMAL am EMEN RR ew mm ew ow Dew wee Dew ew Dew sm Dew iow em Dew ww Dew rows Dmm mw ow Dmm em woo wm S mv em pe hv em mw v ewm me hv 3 25 5500A Service Manual Table 3 18 AC Voltage Amplitude Accuracy Test NORMAL cont Nominal Value Frequency Measured Value Deviation 96 90 Day Spec 96 V NORMAL wm mv em mm mv mm ov ow mm E E em e um e 1000 V T 1000 V 8 kHz 10 kHz 0 200 optional 0 042 0 042 3 26 Calibration and Verification 3 Performance Verification Tests 3 33 AC Voltage Amplitude Accuracy AUX The AC Voltage Amplitude Accuracy test verifies the accuracy of ac voltage at the 5500 Calibrator front panel AUX terminals in the presence of a voltage at the NORMAL terminals Leave the NORMAL terminals disconnected Table 3 19 shows the test points Table 3 19 AC Voltage Amplitude Accuracy Test AUX Nominal Value Nominal Value Frequency Measured Deviation 90 Day Spec NORMAL AUX Value V AUX 3 27 5500A Service Manual 3 34 AC Current Am
22. Table 6 27 Edge Aberrations Time from 50 of Rising Edge Typical Edge Aberrations 6 56 Tunnel Diode Pulser Drive Amplitude Verification This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter e BNC cable supplied with the SC600 Set the Calibrator Mainframe in Scope Cal mode Edge Proceed with the following steps 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BNC cable and the BNC f to Double Banana adapter Refer to Figure 6 2 for the proper setup connections 2 Activate the TD Pulser output by pushing the TDPULSE blue softkey The output should now be at 80 V peak to peak 100 kHz STANDBY 3 Set the HP 3458A to DCV NPLC 001 LEVEL 1 TRIG LEVEL and the DELAY to 00012 for measuring the topline and DELAY to 00007 for measuring the baseline Manually range lock the HP 3458A to the 100 V dc range 4 Change the Calibrator Mainframe output frequency to 10 kHz Push the operate key and use the HP 3458A to measure the topline and baseline 5 The peak to peak value is the difference between the topline and baseline Record these values in Table 6 28 and compare against the listed tolerance Table 6 28 Tunnel Diode Pulser Amplitude Verification Calibrator HP 3458A Topline Baseline Peak to Peak Tolerance Mainframe Range Reading Reading Edge Output 6 39 5500A Service Manual 6 57 Leveled
23. sese 6 23 Wave Generator Mode ssssseseseeeeeeeeeeen nennen 6 24 Input Impedance Mode 6 25 Input Impedance Mode 6 26 Overload Mode eet eee reddi re SR E ERE 6 27 Equipment Required for Calibration and Verification 6 28 5 600 Calibration Setup sss 6 29 Calibration and Verification of Square Wave Voltage Functions 6 30 Overview of HP3458A Operation sess 6 31 Setup for SC600 Voltage Square Wave Measurements 6 32 Setup for SC600 Edge and Wave Gen Square Wave Measurements teres OASIS Yee ORE RU 16 20 6 33 DC Voltage 240 200 2000444 2 000000000000 6 21 6 34 AC Voltage Calibration essere 6 35 Wave Generator Calibration 6 22 6 36 Edge Amplitude Calibration esee 6 22 6 37 Leveled Sine Wave Amplitude 6 23 6 38 Leveled Sine Wave Flatness Calibration esses 6 24 6 39 Low Frequency Calibration sese 6 24 6 40 High Frequency Calibration eese 6 25 6 41 Pulse Width Calibration tts 6 25 6 42 MeasZ Calibration teste ett a 6 26 6 43 Verification ie cs titer tke eR PAAR eaae 6 28
24. 3 31 Resistance DC Offset Measurement 3 24 3 32 AC Voltage Amplitude Accuracy 13 25 3 33 AC Voltage Amplitude Accuracy 3 27 3 34 AC Current Amplitude 13 28 3 35 Cap cit nce ACCUFAC 13 29 3 36 Thermocouple Measurement Accuracy sese 3 31 3 37 Thermocouple Sourcing Accuracy sse 13 31 3 38 Thermocouple Measuring Accuracy 3 31 3 39 DC Power Amplitude Accuracy 13 32 3 40 DC Power Amplitude Accuracy AUX sse 3 32 3 41 AC Power Amplitude Accuracy High 13 33 3 42 AC Power Amplitude Accuracy High 3 33 3 43 AC Power Amplitude Accuracy High 13 34 3 44 Phase and Frequency 3 34 ii Contents continued 3 45 AC Voltage Amplitude Accuracy Squarewave NORMAL 3 46 AC Voltage Amplitude Accuracy Squarewave AUX 3 47 AC Voltage Harmonic Amplitude Accuracy NORMAL 3 48 AC Voltage Harmonic Amplitude Accuracy AUX 3 49 DC Voltage Offset Accuracy
25. Connect the Calibrator Mainframe SCOPE connector to the power meter and power sensor as described under Equipment Setup for High Frequency Flatness Follow these steps to calibrate high frequency Leveled Sine Wave flatness for the amplitude being calibrated 1 2 Press the GO ON blue softkey Establish the 10 MHz reference e Press the power meter SHIFT key then FREQ key and use the arrow keys to enter the power sensor s 10 MHz Cal Factor Ensure that the factor is correct then press the power meter ENTER key e Allow the power meter reading to stabilize Press the Power meter REL key Press the GO ON blue softkey Press the power meter SHIFT key then FREQ key and use the arrow keys to enter the power sensor s Cal Factor for the frequency displayed on the Calibrator Mainframe Ensure that the factor is correct then press the power meter ENTER key Adjust the amplitude using the Calibrator Mainframe front panel knob until the power sensor reading matches the 10 MHz reference within 0 196 Repeat steps 1 to 5 until the Calibrator Mainframe display indicates that either the reference frequency is now 50 kHz or that the next steps calibrate pulse width Repeat the low frequency calibration procedure for the next amplitude unless the Calibrator Mainframe display indicates that the next steps calibrate pulse width Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants Pulse Width Calibra
26. SC600 Option 6 SC600 Calibration Setup Table 6 15 SC600 Calibration and Verification Equipment cont Leveled Sine Wave Flatness High Frequency Calibration and Verification instrument Modei Minimum Use Specifications Power Meter Hewlett Packard Range 42 to 5 6 dBm E4418A 10 600 MHz Power Sensor Hewlett Packard 8482A 20 to 19 dBm 10 600 MHz Power Sensor Hewlett Packard 8481D 42 to 20 dBm 10 600 MHz 30 dB Hewlett Packard Range 30 dB Reference 11708A Attenuator supplied with HP Frequency 50 MHz 8481D Adapter Hewlett Packard to Type N f PN 1250 1474 BNC Cable supplied with 50600 Leveled Sine Wave Frequency Time Marker Verification Frequency PM 6680 with option 2 ns to 5 s 50 kHz to 600 MHz 0 15 ppm uncertainty Counter PM 9621 PM 9624 or PM 9625 and PM 9690 or PM 9691 Adapter Pomona 3288 BNC f to Type BNC suppiedwih sceo Wave Generator Verification AC Fluke 5790A Range 1 8 mV p p to 55 V p p Measurement Standard 10 Hz to 100 kHz 1269 BNC f to Double Banana suppiedwin sce 6 28 SC600 Calibration Setup The procedures in this manual have been developed to provide users the ability to calibrate the SC600 at their own site 1f they are required to do so It is strongly recommended that 1f possible you return your unit to Fluke for calibration and verification The Calibrator Mainframe must be
27. sss Calibration Shifts Report Printout Format sss Calibration Shifts Report Spreadsheet Calibration Constant Report Printout Calibration Constants Report Spreadsheet Format Performance Verification Tests sse Zeroing the Calibrator sse enne DC Voltage Amplitude Accuracy DC Voltage Amplitude Accuracy DC Current Amplitude Accuracy sse Resistance Accuracy ccccesesesssessesscsseeseeeecsseeseeeesessesseesseseesaeeneeeees Resistance DC Offset 2 AC Voltage Amplitude Accuracy 0 0222222 22 AC Voltage Amplitude Accuracy AC Current Amplitude Capacitance o EHE HEP RE Eros 3 1 5500A Service Manual 3 36 Thermocouple Measurement Accuracy esses 3 37 Thermocouple Sourcing Accuracy ssssssseeeeeeene 3 38 Thermocouple Measuring 3 39 DC Power Amplitude Accuracy NORMAL sees 3 40 DC Power Amplitude Accuracy 40 0 3 41 AC Power Amplitude
28. 2 00 100 uV Complete Columns A E as follows A Enter the E4418A present frequency Reading W B Enter the E4418A 10 MHz Reading W C Apply power sensor correction factor for present frequency W CF Column A entry D Apply power sensor correction factor for 10 MHz W CF Column B entry E Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry 6 105 5500A Service Manual 6 106 Table 6 67 High Frequency Flatness Verification at 800 mV Calibrator Mainframe Calibrator Mainframe Freq MHz Flatness Spec 2 1 j S 150 100 nV pio J us 0 o O eo o ___ o J jJ szosmow go J jJ szosmow ms 0 0 __ saos J Complete Columns A E as follows A Enterthe E4418A present frequency Reading W B Enterthe E4418A 10 MHz Reading W C Apply power sensor correction factor for present frequency W CF Column A entry D Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqr
29. 3 50 AC Voltage Accuracy with a DC Offset sss MAILE AN CG ec 4 l IntroQUCtlOD oeste te eret deor 4 3 4 2 ACCESS Procedures 4 3 4 3 Removing Analog Modules seen 4 3 4 4 Removing the Main CPU A9 14 3 4 5 Removing Rear Panel 4 4 4 6 Removing the Filter A12 ees 4 4 4 7 Removing the Encoder 2 and Display PCAs 4 4 4 8 Removing the Keyboard and Accessing the Output Block 4 4 4 9 Diagnostic 2220 ec eH 4 7 4 10 Running DiagrnostCs te hee OP e ed edes 4 7 4 11 Sequence of Diagnostics Tests 4 7 4 12 Diagnostics Error 4 7 4 13 Testing the Front Panel sss 4 14 Internal Fuse Replacement sssssssseeseeeeeeeeeeeennnnn 4 15 Complete List of Error Messages List of Replaceable RU EXER SER 9 1 Introduction trot 5 2 How to Obtain Parts iicet eet ton eene dte ERR ee 5 3 How to Contact Fluke essere EM DE Le Oscilloscope Calibration eT
30. OF SPEC 0 0 0 0 Calibration and Verification Generating a Calibration Report 3 22 Calibration Shifts Report Spreadsheet Format ACTIVE 0 STORED 0 O0LD 0 DC330MV 329 9999 mV 0 00 Hz 0e 00 V 0 00000 0 00006 DC330MV 329 9999 mV 0 00 Hz 0e 00 V 0 00000 0 00006 DC3 3V 43 299999 V 0 00 Hz 0e 00 V 0 00000 0 00004 DC3 3V 3 299999 V 0 00 Hz 0e 00 V 0 00000 0 00004 DC33V 32 99999 V 0 00 Hz 0e 00 V 0 00000 0 00004 DC33V 32 99999 V 0 00 Hz 0e 00 V 0 00000 0 00004 DC330V 4329 9999 V 0 00 Hz 0e 00 V 0 00000 0 00000 DC330V 30 0000 V 0 00 Hz 0e 00 V 0 00000 0 00010 DC330V 30 0000 V 0 00 Hz 0e 00 V 0 00000 0 00010 DC330V 329 9999 V 0 00 Hz 0e 00 V 0 00000 0 00000 DC1000V 1000 000 V 0 00 Hz 0e 00 V 0 00000 0 00000 DC1000V 100 000 V 0 00 Hz 0e 00 V 0 00000 0 00000 DC1000V 100 000 V 0 00 Hz 0e 00 V 0 00000 0 00000 DC1000V 1000 000 V 0 00 Hz 0e 00 V 0 00000 0 00000 DC330MV_S 329 999 mV 0 00 Hz 0e 00 V 0 00000 0 00136 DC330MV 329 999 mV 0 00 Hz 0e 00 V 0 00000 0 00136 DC3 3V 5 3 30000 V 0 00 Hz 0e 00 V 0 00000 0 00041 DC3 3 30000 V 0 00 Hz 0e 00 V 0 00000 0 00041 continued 3 23 Calibration Constant Report Printout Format SL100MV F4 SL100MV F5 SL100MV F6 SL100MV F7 SL100MV F8 SL100MV F9 SL100MV FA SL100MV FB SL100MV FC SL400MV G SL400MV F1 SL400MV F2 continued Ul t 9 l0 I2 EH 7999
31. Using the second BNC f to 3 5 mm m adapter and BNC cable connect the Calibrator Mainframe s TRIG OUT connector to the 11801 s Trigger Input Refer to Figure 6 7 Tek 11801 5500A SC600 With 5D26 Sampling Head 3 dB Attenaator 3 5 mm m f A n SENSE AUXV MAX NORMAL AUX SCOPE ENSE RID BNC F to 3 5 mm m Adapter om058f eps Figure 6 7 Edge Rise Time Verification Setup The Calibrator Mainframe should be in SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Press the softkey under TRIG to select the TRIG 1 External Trigger output Program the Calibrator Mainframe to output 250 mV 1 kHz Set the DSO to these parameters Digital Storage Oscilloscope Setup Main Time Base position initial 40 ns Horizontal scale 500 ps div Measurement Function Rise Time 1 Program the Calibrator Mainframe to output the voltage and frequency listed in Table 6 26 Press on the Calibrator Mainframe to activate the output 2 Change the vertical scale of the DSO to the value listed in the table Adjust the main time base position and vertical offset until the edge signal is centered on the display Record the rise time measurement in column A of Table 6 26 6 37 5500A Service Manual 3 Correct the rise time measurement by accounting for the SD 22 26 sampling head s rise time The SD 22 26 rise time 15 specified as 28 ps Colu
32. sese 6 70 Pulse Period Verification sss 6 71 MeasZ Resistance Verification 6 72 MeasZ Capacitance Verification ssssssseseeeeeee 6 73 Overload Function Verification 6 74 5 600 Hardware Adjustments sss 6 75 Equipment nennen 6 76 Adjusting the Leveled Sine Wave Function esses 6 77 De be I TERRE Ida 6 78 Adjusting the Leveled Sine Wave VCO Balance 6 79 Adjusting the Leveled Sine Wave Harmonics 6 80 Adjusting the Aberrations for the Edge Function 6 81 Equipment 6 82 Adjusting the Edge 5 2 6 4 6 1 6 2 SC600 Option 6 Introduction Introduction This chapter contains the following information and service procedures for the SC600 Oscilloscope Calibration Option functions Specifications Theory of Operation e Calibration Procedures e Verification Procedures e Hardware Adjustments made after Repair The calibration and verification procedures provide traceable results for all of the SC600 functions as long as they are performed using the recommended equipment All of the required equipment along with the minimum specifications a
33. sess Leveled Sine Wave Reference Verification Leveled Sine Wave Frequency Leveled Sine Wave Harmonics Verification Leveled Sine Wave Flatness Verification esses Equipment Setup for Low Frequency Flatness Equipment Setup for High Frequency Flatness Low Frequency Verification esses High Frequency 1 Time Marker Verification essen rennen Wave Generator Verification Verification at 1 MO rire eden taire neri tdeo Verification 500 SC300 Hardware Adjustments sss Equipment Adjusting the Leveled Sine Wave Function esses Equipment Setup Adjusting the Leveled Sine Wave Harmonics Adjusting the Aberrations for the Edge Function Equipment Setup ect ied be ti eR etre Adjusting the Edge 8 SC300 Hardware Adjustments for the 4 Equipment Required sss Adjusting the Leveled Sine Wave Function Equipment Setup eene nennen Adjusting the Leveled
34. 5500A Service Manual UUUUUUUUUUSSs Ej Ed pd pd E Ei S S S rep A Pr T C Bad hexadecimal block Bad hexadecimal number Bad octal number Too many characters Bad string OPER not allowed while error pending Compliance voltage exceeded Shunt amp over or underload Heat sink too hot Output current lim exceeded Input V or A limit exceeded OPM transition error TC measurement failure Unknown boost command BX not responding Unknown error d d isunknown error number jd us A Chapter 5 List of Replaceable Parts Title Page 15 3 How to Obtain aro 5 3 How to Contact 000880 5 3 1 NET 5 4 5 1 5500A Service Manual 5 2 5 1 5 2 List of Replaceable Parts 5 Introduction Introduction This chapter contains an illustrated list of replaceable parts for the 5500A Multi Product Calibrator to the module level only Parts are listed by assembly alphabetized by reference designator Each assembly 15 accompanied by an illustration showing the location of each part and its reference designator The parts lists give the following information e Reference designator e An indication if the part is subject to damage by static discharge e Description e Fl
35. A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W B C Apply power sensor correction factor for present frequency W CF Column A entry D Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry 6 50 SC600 Option 6 Verification 6 65 Time Marker Verification This procedure uses the following equipment PM 6680 Frequency Counter with prescaler for the Channel C input Option PM 9621 PM 9624 or PM 9625 and ovenized timebase Option PM 9690 or PM 9691 BNC f to Type N m adapter BNC cable supplied with the SC600 Refer to Figure 6 6 for the proper setup connections Set the PM 6680 s FUNCTION to measure frequency with auto trigger measurement time set to 1 second or longer and 500 impedance Set the Calibrator Mainframe to SCOPE mode with the Marker menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to for each period listed in Table 6 40 1 Program the Calibrator Mainframe to the output as listed in Table 6 40 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to the PM 6680 at the channel indicated in Table 6 40 You will need the BNC N adapter for the connection to Channel C 3 Setthe filter on the PM 6680 as indicated in the tab
36. A6 contains the following blocks e References for all voltage and current functions Gain determining elements for voltage functions and thermocouple measuring and sourcing e 7 V references e Thermocouple sourcing and measuring amplifier e An A D Analog to Digital measurement system for monitoring all functions e Self calibration circuitry e Zero calibration circuitry e Precision voltage channel DAC VDAC e Precision current channel DAC IDAC e Dual channel DDS Direct Digital Synthesizer e nguard CPU that controls relays and latches throughout the analog assemblies These functional blocks when used with the Voltage A8 and or Current A7 assemblies provide single or dual channel ac and dc volts amps and watts offsettable and nonsinusoidal waveforms duty cycle thermocouple measuring and sourcing internal calibration and diagnostics and digital control over all the analog assemblies DACS are used to control the level of dc signals and to control the amplitude of ac signals 2 5 5500A Service Manual 2 5 2 6 The dual channel DDS Direct Digital Synthesizer generates finely stepped digital waveforms that take the form of sine triangular and other waveforms Current Assembly A7 The Current assembly outputs six current ranges 330 uA 3 3 mA 33 mA 330 mA 2 2 A and 11 A and two voltage ranges 330 mV and 3 3 V to the AUX outputs The 330 uA range is only available i
37. CERTIFICATION SEAL CABLE ACCESS TIE 4 00L 10W 75 DIA LABEL MYLAR GROUND SYMBOL SLEEV POLYOL SHRINK 187 093ID BLACK TRANSFORMER POWER MAIN FAN ASSEMBLY WIRE GROUND 1 For 100V and 120V units only 2 For 240V units only 937409 102889 102707 851931 851936 944269 944272 944277 110817 110619 152140 111005 295105 944715 854737 944772 944459 944350 867234 110262 111047 110288 883165 104353 886333 937107 945287 864470 844712 802306 172080 911388 113852 937128 881789 945456 1 1 1 1 2 1 1 1 1 1 3 3 4 2 2 4 4 4 2 4 2 4 1 1 2 1 1 1 1 1 2 1 1 1 1 1 Parts Lists 5 List of Replaceable Parts AN 9 Figure 5 3 Rear Panel Assembly 5 11 Service Manual 5500A om022f eps aas C TIVLAG ONILNOY 30 121 3100 8 117130 HOLIMS YIMOd 1 NOUS 30 NNOHS H3MOd HLIM LON 5300 laYd 1 3 NMOHS Sy ATZLYMIXO ddY 31Y201 ONY ZzdW TY1SN lt 9 j LHL WOH AHVA AYN SNOLLVHNOIANOO TYNINHALSHL NO NMOHS SNOLLOSNNOO lt 29 5500A Wiring Diagram gt 4 1NON4 30 401 QUYMOL T S 1VHl 10801 3 1 30 3015 3Hl
38. Establish the 50 kHz reference e Allow the 5790A rms reading to stabilize e Press the 5790A Set Ref blue softkey Clear any previous reference by pressing the 5790A Clear Ref blue softkey prior to setting the new reference if required 3 Press the GO ON blue softkey 4 Adjustthe amplitude using the Calibrator Mainframe front panel knob until the 5790 reference deviation matches the 50 kHz reference within 1000 ppm 5 Repeat steps 1 to 4 until the Calibrator Mainframe display indicates that the reference frequency is now 10 MHz Continue with the high frequency calibration High Frequency Calibration Connect the Calibrator Mainframe SCOPE connector to the power meter and power sensor as described in Equipment Setup for High Frequency Flatness later in this section Follow these steps to calibrate high frequency Leveled Sine Wave flatness for the amplitude being calibrated 1 Press the GO ON blue softkey 2 Establish the 10 MHz reference e Press the power meter SHIFT key then FREQ key and use the arrow keys to enter the power sensor s 10 MHz Cal Factor Ensure that the factor 15 correct then press the power meter ENTER key e Allow the power meter reading to stabilize Press the Power meter REL key 3 Press the GO ON blue softkey 4 Press the power meter SHIFT key then FREQ key and use the arrow keys to enter the power sensor s Cal Factor for the frequency displayed on the Calibrator Mainframe Ensure tha
39. Outguard Supplies The motherboard generates the outguard power supplies 12VG 12VG and 5 the transformer connections for the outguard supplies come through one bundle of wires connected to the motherboard with P1 A row of test points is provided in front of the fan for the raw and regulated supplies The supplies are fused on the motherboard It is unlikely the fuses will blow unless there is another fault since the regulators will current limit below the fuse ratings The outguard supplies are used only by the CPU assembly A9 and Encoder A2 assemblies Inguard Supplies The inguard supplies are located on the Voltage assembly A8 The transformer connections inguard SCOM referenced are connected to the Motherboard via J209 Fuses for each of the supplies are located on the Motherboard It is unlikely the fuses will blow unless there is another fault since the regulators will current limit below the fuse ratings Filter capacitors for the high current supply for the Current assembly A7 are located on the Filter assembly A12 The inguard SCOM referenced supplies 15 V 15 V 5 V 5 V and 5RLH The 5 V and 5RLH supplies share the same raw supply The 5RLH supply is used exclusively as a relay driver and is nominally about 6 3 V Test points for these supplies are located in a row across the top of the Voltage assembly The 65 V supplies are rectified and filtered on the Motherboard but regulated on
40. Suspect ICs are U16 and 05 Check the voltage threshold levels on U16 Maintenance 4 Diagnostic Testing 1052 DDE FR 5 12 75 ohm reference fault Suspect components on the A5 assembly are relay driver ICs U2 U15 U28 U30 and R30 or Z2 1053 DDE FR A5 33 25 ohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1054 DDE FR A5 100 ohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1055 DDE FR A5 325 ohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1056 DDE FR A5 1 kohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1057 DDE FR A5 3 25 kohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1058 DDE FR A5 10 kohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1059 DDE FR A5 33 kohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z1 1060 DDE FR A5 100 kohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z1 1061 DDE FR A5 325 kohm reference fault Suspect components on the A5 assembly are U26 relay driver U2 and 71 1062 DDE FR A5 1 Mohm reference fault Suspect compone
41. oov sime ree feses 659V 294 sie 55V eee tange 934604 O000154V mange 219mv ean oos ange 899mv ean 0077 mange 219mv tange __ teat 0 mange 659V teas 498 mane 55V 9400 160 6 54 SC600 Option 6 Verification Table 6 42 Wave Generator Verification at 50 Calibrator Calibrator 5790A Rdg x Mainframe Mainframe Reading Conversion Conversion V p p value x Tolerance Wave output Factor Factor V p p correction V p p Type 10 kHz Ime iem see mue sm eoo oov _ wwe oom feo 1 _ mue nom feo mue soo mue sm feo d mae mom mae tv Jeo o o lt 0 000427 V ojo ojo N o lt lt p i E i 3 sm _ 4omv 2884 1001357 sm i10V J 288 oogev ey 4 1 fi oe ____ ERN pe 0 0751 V S403 100001547 0 000427 V 0 001447 V 0 00337 V 0 01357 V 0 0328 V 0 0751 V mange i09mv mange 449mv sacar mang
42. 3 mA Suspects include R7 R13 Q6 and U3 on the A97 assembly 1075 DDE FR A7 Overcurrent fault 3 3 mA Suspects include R7 R13 Q6 and U3 on the A97 assembly 1076 DDE FR A7 Undercurrent fault 33 mA Suspects include K5 R27 R30 Q19 and U2 on the A97 assembly 1077 DDE FR A7 Overcurrent fault 33 mA The primary suspect is R30 on the A97 assembly 1078 DDE FR A7 Undercurrent fault 33 mA Suspects include R27 Q18 and U3 on the A97 assembly 1079 DDE FR A7 Overcurrent fault 33 mA Suspects include R27 Q18 and U3 on the A97 assembly 1082 DDE FR A7 Undercurrent fault 330 mA Suspects include K18 R88 R92 R102 R105 010 Q1 and U13 on the 7 assembly Maintenance 4 Diagnostic Testing 1083 DDE FR A7 Overcurrent fault 330 mA Suspects include K16 K17 R88 and R92 on the A7 assembly 1080 DDE FR A7 Undercurrent fault 330 mA Suspects include R102 R105 Q2 Q8 and U13 on the A7 assembly 1081 DDE FR A7 Overcurrent fault 330 mA Suspects include R102 R105 Q2 Q8 and U13 on the A7 assembly 1086 DDE FR A7 Undercurrent fault 2 2A Suspects include R24 and R34 on the A7 assembly 1087 DDE FR A7 Overcurrent fault 2 2A The primary suspect is R34 on the A97 assembly 1084 DDE FR A7 Undercurrent fault 2 2A The primary suspect is R24 on the A7 assembly 1085 DDE FR A7 Overcurrent fault 2 2A The primary suspect is R24 on the A7 assembly 1088 DDE FR A7 Aux amp fault S
43. 5 in 6 4 2 5 in ay 7 For Cable Access om002f ewps Figure A 5500A Calibrator Dimensional Outline 5500A Service Manual 1 6 1 4 General Specifications Warmup Time Twice the time since last warmed up to a maximum of 30 minutes Settling Time Less than 5 seconds for all functions and ranges except as noted Standard Interfaces IEEE 488 GPIB RS 232 5725 Amplifier Temperature Performance Operating 0 C to 50 C Calibration tcal 15 C to 35 C e Storage 20 C to 70 C Temperature Coefficient Temperature Coefficient for temperatures outside tcal 5 C is 0 1X C of the 90 day specification or 1 year as applicable per C Relative Humidity Operating 80 96 to 30 C 70 to 40 C 40 to 50 C e Storage 95 non condensing Altitude Operating 3 050 m 10 000 ft maximum Non operating 12 200 m 40 000 ft maximum Safety Complies with IEC 1010 1 1992 1 ANSI ISA S82 01 1994 CAN CSA C22 2 No 1010 1 92 Analog Low Isolation 20V EMC Designed to comply with FCC Rules Part 15 243 1991 If used in areas with Electromagnetic fields of 1 to 3 V m resistance outputs have a floor adder of 0 508 Performance not specified above 3 V m This instrument may be susceptible to electro static discharge ESD from direct contact to the
44. 5500A front panel TC connector with a dc meter observe polarity on the TC connector Select External Reference and the linear output 10 uV C as the thermocouple type Use all copper wires for these connections The Fluke 5500A Leads test lead kit contains a copper TC plug and wire for this purpose Table 3 23 shows the test points Table 3 23 Thermocouple Sourcing Accuracy Test Nominal Value C Equivalent Value Measured Value Deviation 90 Day Spec mV mV 96 mV or 96 TC connector 0 305 0 035 1000 10 000 0 008 10000 100 000 10000 100 000 3 38 Thermocouple Measuring Accuracy The Thermocouple Measuring Accuracy test checks the accuracy of the thermocouple measuring circuitry For this test input a dc voltage into the 5500A front panel TC terminals using copper plugs and wire observe polarity on the TC connector select External Reference and select the linear output 10 as the thermocouple type The Fluke 5500A Leads test lead kit contains a copper TC plug and wire for this purpose Table 3 24 shows the test points Optional You can also source a known temperature from a temperature calibrator using a J type thermocouple connection and Internal Reference Source 0 C 100 C 1000 C and 200 C 3 31 5500A Service Manual Table 3 24 Thermocouple Measuring Accuracy Test Input Value Nominal Reading Actual Reading Deviation 96 90 Day Spec mV TC mV or 96 co
45. 6 20 Edge Mode The edge clock originates on the DDS A6 board and is passed to the A50 board The signal is then shaped and split to generate the fast edge and external trigger signals The edge signal is passed from the A50 board first to the attenuator assembly where range attenuation occurs and then to the SCOPE connector BNC on the front panel If turned on the trigger is connected to the Trig Out BNC on the front panel 6 21 Leveled Sine Wave Mode of the leveled sine wave signals from 50 kHz to 600 MHz are produced on the A50 board The leveled sine wave signal is passed from the A50 board to the on board attenuator assembly The attenuator assembly provides range attenuation and also contains a power detector which maintains amplitude flatness across the frequency range The signal is then passed to the SCOPE connector BNC on the front panel 6 22 6 23 6 24 6 25 6 26 SC600 Option 6 Theory of Operation Time Marker Mode There 3 primary ranges of time marker operation 5 s to 20 ms 10 ms to 2 us and 1 us to 2 ns The 5 s to 20 ms markers are generated on the A6 DDS board and are passed to the A50 board The signal path 1s also split to drive the external trigger circuitry on the A50 board If turned on the trigger is connected to the Trig Out BNC on the front panel The marker signal passing through the A50 board is connected to the attenuator assembly The signal is then passed to the SCOPE
46. 6 40 6 30 Leveled Sine Wave Frequency Verification esessssssseeeeeeeeeeene 6 41 6 31 Leveled Sine Wave Harmonics Verification eese 6 43 6 32 Low Frequency Flatness Verification at 5 5 V 6 46 6 33 High Frequency Flatness Verification at 5 5 V 6 47 6 34 High Frequency Flatness Verification 7 5 6 48 6 35 High Frequency Flatness Verification at 25 mV sess 6 48 6 36 High Frequency Flatness Verification at 70 mV esses 6 37 High Frequency Flatness Verification at 250 mV sess 6 38 High Frequency Flatness Verification at 800 2 20 6 39 High Frequency Flatness Verification at 3 4 6 40 Time Marker Verification 6 41 Wave Generator Verification at 1 6 42 Wave Generator Verification at 50 2 essssssssssssssseeeseeeeeneeen rennen 6 43 Pulse Width 6 44 Pulse Period Verification sese ener enne 6 45 MeasZ Resistance Verification essent 6 46 MeasZ Capacitance Verification cccccscccsscesscesseeeseeeseensecesecnaeceseenseeneeeseeeseneeeaes 6 47 SC300 Calibration and Verification 2 6 48 AC Square Wave Voltage and Edge Settings for the HP3458A 6 49 DC Voltage Verification at 1
47. 6 44 DC Voltage Verification essere 6 29 6 45 Verification at LMOQ niinniin an a tonnes 6 29 6 46 Verification at 50 6 29 6 47 AC Voltage Amplitude Verification 6 31 6 48 Verification at 1 e hr nie rre Dip ere URS 6 31 6 49 Verification at 50 2 cns cet eese cited 6 33 6 50 AC Voltage Frequency Verification sess 16 34 6 51 Edge Amplitude Verification 0 0 0 0 0 1 6 35 6 52 Edge Frequency 6 35 6 53 Edge Duty Cycle Verification essen 6 36 6 54 Edge Rise Time Verification sss 6 36 6 55 Edge Abberation Verification sese 6 38 6 56 Tunnel Diode Pulser Drive Amplitude Verification 6 39 6 57 Leveled Sine Wave Amplitude Verification 6 40 6 58 Leveled Sine Wave Frequency Verification esses 16 41 6 59 Leveled Sine Wave Harmonics 6 42 6 60 Leveled Sine Wave Flatness Verification sss 6 44 6 61 Equipment Setup for Low Frequency Flatness 6 62 Equipment Setup for High Frequency Flatness 6 63 Low Frequency Verification esses 6 64 High Frequency V
48. Accuracy High Voltage 3 42 AC Power Amplitude Accuracy High Current 3 43 AC Power Amplitude Accuracy High 3 44 Phase and Frequency 3 45 AC Voltage Amplitude Accuracy Squarewave NORMAL 3 46 AC Voltage Amplitude Accuracy Squarewave AUX 3 47 AC Voltage Harmonic Amplitude Accuracy NORMAL 3 48 AC Voltage Harmonic Amplitude Accuracy AUX 3 49 DC Voltage Offset 3 50 AC Voltage Accuracy with a DC 2442222222 3 2 3 1 3 2 Calibration and Verification 3 Introduction Introduction Use this chapter as a guide to calibration and for verification of the 5500A s performance to specifications You should recalibrate at the end of either a 90 day or 1 year calibration interval If you recalibrate every 90 days use the 90 day specifications which provide higher performance Use the Verification procedure or any part thereof any time you need to verify that the Calibrator is meeting its specifications Calibration The standard 5500A has no internal hardware adjustments The Oscilloscope Option has hardware adjustments see Chapter 7 calibration is done with the covers on using software calibration constants A calibration routine that pro
49. Characteristics into 50 Load 1 Year Absolute Uncertainty tcal 5 Amplitude Range 5 0 mV to 2 5 V 2 of output 200 uV e o _________ Adjustment Range x 1096 around each sequence value indicated below Sequence Values 5 mV 10 mV 25 mV 50 mV 60 mV 80 mV 100 mV 200 mV 250 mV 300 mV 500 mV 600 mV 1V 2 5V Leading Edge Aberrations 2 lt 3 of output 2 mV lt 2 of output 2 mV lt 1 of output 2 mV 0 5 of output 2 mV Tunnel Diode Pulse Drive Square wave at 100 Hz to 100 kHz with variable amplitude of 60 V to 100 V p p 1 Above 2 MHz rise time specification lt 350 ps 2 All edge aberration measurements made with Tektronix 11801 mainframe with 5026 input module 5500A Service Manual 6 6 Leveled Sine Wave Specifications Table 6 3 Leveled Sine Wave Specifications Leveled Sine Wave Frequency Range Characteristics 50 kHz 50 kHz to 100 MHz to 300 MHz to into 50 reference 100 MHz 300 MHz 600 MHz Amplitude Characteristics for measuring oscilloscope bandwidth Range p p 5mVto5 5V Resolution 100 mV 3 digits gt 100 mV 4 digits Adjustment Range continuously adjustable 1 Year Absolute t 296 of 3 5 of 4 of output 6 of output Uncertainty output output 300 uV 300 uV tcal 5 300 uV 300 uV Flatness relative to not applicable x 296 of output 4 of output 50 kHz 100 uV 100 uV Short Term Amplitude 1 1 S
50. Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry 6 49 5500A Service Manual Table 6 38 High Frequency Flatness Verification at 800 mV Calibrator Calibrator Mainframe Mainframe Flatness Spec MHz pee Complete Columns A E as follows Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 39 High Frequency Flatness Verification at 3 4 V Calibrator Calibrator Mainframe Mainframe Flatness Spec IE EMEN MHz ee a GN __ _ 380 1211 jq seo J jq 0 0 0 _ __ 3s _____ e fh i ec e 13 0 _ co uec 00 Complete Columns A E as follows
51. Detectors RTDs Simulated output for nine types of thermocouples Motherboard A3 om003f eps Figure 2 1 5500A Internal Layout 2 3 5500A Service Manual 2 2 Encoder Assembly A2 The Encoder assembly 2 has its own microprocessor and is in communication with the Main CPU A9 on the Rear Panel through a serial link Memory for the Encoder assembly is contained in EPROM The Encoder assembly handles the interface to the Keyboard assembly A1 2 3 Synthesized Impedance Assembly A5 The Synthesized Impedance assembly A5 generates variable resistance and capacitance outputs It uses discrete resistors and capacitors as references with an amplifier in series Figure 2 2 is a block diagram of the synthesized resistance function Figure 2 3 is a block diagram of the synthesized capacitance function For resistance synthesis there is a two wire compensation circuit an input amplifier two DACS coarse and fine with offset adjust and an output LO buffer For capacitance synthesis there is a two wire compensation circuit selectable references an input amplifier two DACS coarse and fine and an output LO buffer NORMAL HI Ry 1 K NORMAL LO om004f eps Figure 2 2 Synthesized Resistance Function 2 4 Theory of Operation DDS Assembly A6 NORMAL HI om005f eps Figure 2 3 Synthesized Capacitance Function 2 4 DDS Assembly A6 The DDS Direct Digital Synthesis assembly
52. Ext Trig connector located on the rear of that instrument Make sure the Calibrator Mainframe impedance is set to 1 MQ The blue softkey under Output toggles the impedance between 50 Q and 1 MQ 6 31 5500A Service Manual 1 When making measurements at 1 kHz set the HP 3458A to DCV NPLC 01 TRIG EXT and the DELAY to 0007 for measuring the topline of the wave form and the DELAY to 0012 for measuring the baseline of the wave form Manually lock the HP 34584 to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at each step 2 Enable the Calibrator Mainframe external trigger by toggling the blue softkey under TRIG to 1 3 Measure the topline first as indicated in Table 6 21 For each measurement take samples for at least two seconds using the HP 3458A MATH functions to determine the average or mean value See for SC600 Voltage Square Wave Measurements for more details 4 Measure the baseline of each output after the corresponding topline measurement as indicated in Table 6 21 The peak to peak value is the difference between the topline and baseline measurements Compare the result to the tolerance column 5 When making measurements at the other frequencies set up the HP 3458A NPLC and topline and baseline DELAY per Table 6 16 See Setup for SC600 Voltage Square Wave Measurements Table 6 21 AC Voltage Verifi
53. Frequency Flatness Verification at 3 4 V 6 106 6 69 Time Marker Specifications essere enne 6 108 6 70 Wave Generator Verification at 1 6 110 6 71 Wave Generator Verification at 500 6 5500A Service Manual List of Figures Figure Title 1 1 5500 Multi Product Calibrator essere 2 1 5500A Internal o rae PC RR RR IRR ERE rue 2 2 Synthesized Resistance Function cccecccecscessseeseeeeescecseecssenseesseeeeeeseeeseeeeeneeenes 2 3 Synthesized Capacitance Function eene nennen 2 4 Current EUnctlOn iere erra RO resa e 2 5 Voltage Function eei nere ricetta ed re Pr EHE Fe Neri HM evo 3 1 Connections for Calibrating TC Measure sssssseseeeeeeeeneennenen 3 2 Connections for Calibrating DC Current esses 3 3 Connections for Calibrating Four Wire Ohms sese 3 4 High End Resistance Connections with Equation sese 3 5 LCR Meter Connections ode ae eH Re CREER ine eM eraut 3 6 Connections for Four Wire Compensated Capacitance 3 7 Normal Volts and AUX Volts Phase 3 8 Volts and Current Phase Calibration essere 4 1 Exploded View of Rear Panel Assemblies
54. Mainframe and Sampling Head Tektronix 11801 with SD 22 26 or Tektronix TDS 820 with 8 GHz bandwidth 10 dB Attenuator Weinschel 9 10 SMA Weinschel 18W 10 or equivalent e Cable provided with SC300 Spectrum Analyzer Hewlett Packard 8590A Adjusting the Leveled Sine Wave Function There is one adjustment procedure that needs to be made for the leveled sine wave function The procedure adjusts the harmonics Equipment Setup This procedure uses the spectrum analyzer Before you begin this procedure verify that the Calibrator Mainframe is in leveled sine wave mode the Levsine menu is displayed and program it to output 5 5 V p p 50 MHz Press to activate the output Refer to Figure 6 24 for setup connections and connect the Calibrator Mainframe to the Spectrum Analyzer Adjust the Spectrum Analyzer so that it displays one peak across its horizontal centerline The far right of the peak is fixed at the far right of the centerline as shown below Adjusting the Leveled Sine Wave Harmonics Note This procedure should only be used for adjusting the leveled sine wave harmonics Do not use this procedure as a verification test The specifications in this procedure are not valid for verification Set the Spectrum Analyzer to the parameters listed below Spectrum Analyzer Setup Start Frequency 50 MHz Stop Frequency 500 MHz Resolution Bandwidth 3 MHz Video Bandwidth 3 kHz Reference Level 20 dBm Use your Spectrum A
55. MeasZ ranges 2 Connect the BNC cable to the Calibrator Mainframe SCOPE connector but do not connect any thing to the end of this cable 3 Allow the Calibrator Mainframe reading to stabilize then press the SET OFFSET blue softkey to zero the capacitance reading 4 Connect the end of the BNC cable to the BNC f connector attached to the nominal capacitor values indicated in Table 6 46 6 58 SC600 Option 6 Verification 5 Allow the Calibrator Mainframe reading to stabilize then record the Calibrator Mainframe capacitance reading for each nominal value listed in Table 6 46 Compare the Calibrator Mainframe capacitance readings to the actual capacitance values and the tolerance column of Table 6 46 Table 6 46 MeasZ Capacitance Verification Calibrator Nominal Mainframe Actual Capacitance Capacitance Value Capacitance Tolerance Reading 6 73 Overload Function Verification This procedure uses the following equipment 50 feedthrough termination BNC cable supplied with the Calibrator Mainframe Refer to Figure 6 14 for setup connections 5500A SC600 FLUKE 5500A CALIBRATOR SC600 Cable AUX SCOPE 5 200 AUXV MAX Es T PMS PMS MAX OUT 50 Feedthrough Termination om061f eps Figure 6 14 Overload Function Verification Setup 6 59 5500A Service Manual 6 60 Set the Calibrator Mainframe to SCOPE mode with the Overload menu
56. Sine Wave VCO Balance Adjusting the Leveled Sine Wave Harmonics Adjusting the Aberrations for the Edge Function Equipment Setup 12 0 000 0 eai nenne Adjusting the Edge Aberrations for Board 5500A 4004 1 Adjusting the Edge Aberrations for Board 5500 4004 Adjusting the Rise Time for the Edge Equipment rer ederet IS Adjusting the Edge Rise Time ON ON ON O MO MO MO MO MO MO MO MO gt oo DON DN ON ON ON ON ON ON DN ON BON gt i C opo KO oo SC300 Option 6 Introduction 6 83 Introduction This chapter contains the following information and service procedures for the SC300 Oscilloscope Calibration Option functions e Specifications Theory of Operation e Calibration Procedures e Verification Procedures e Hardware Adjustments made after Repair The calibration and verification procedures provide traceable results for all of the SC300 functions as long as they are performed using the recommended equipment All of the required equipment along with the minimum specifications are provided in Table 6 41 under Equipment Required for Calibration and Verification The calibration and verification procedures in this chapter are
57. Specifications Current Uncertainty Uncertainty for 1 A is 0 08 300 uA totaling 1Ax 0008 800 added to 300 1 1 mA Expressed in percent 1 1 mA 1 A x 100 7 0 11 96 see AC Current Sine Wave Specifications PF Adder Watts Adder for PF 0 5 60 at 400 Hz is 2 73 see Phase Specifications Total Watts Output Uncertainty Upower 40 047 40 11 2 73 2 73 VARs When the Power Factor approaches 0 0 the Watts output uncertainty becomes unrealistic because the dominant characteristic is the VARs volts amps reactive output In these cases calculate the Total VARs Output Uncertainty as shown in example 3 Example 3 Output 100 V 1 A 60 Hz Power Factor 0 0872 5 85 Voltage Uncertainty Uncertainty for 100 V at 60 Hz is 0 04 6 6 mV totaling 100 V x 0004 40 mV added to 6 6 mV 46 6 mV Expressed in percent 46 6 mV 100 V x 100 0 047 see AC Voltage Sine Wave Specifications Current Uncertainty Uncertainty for 1 A is 0 08 300 totaling 1Ax 0008 800 added to 300 1 1 mA Expressed in percent 1 1 mA 1 A x 100 0 11 see AC Current Sine Wave Specifications VARs Adder VARs Adder for 85 at 60 Hz is 0 02 see Phase Specifications Total VARS Output Uncertainty Uvans 0 0472 0 11 0 022 0 12 1 1 21 5500A Service Manual 1 18 Additional Specifications The following paragraphs provide additional specifications for the 5
58. Voltage Function 6 11 6 11 TV Trigger Signal Specifications 6 11 6 12 Oscilloscope Input Resistance Measurement Specifications 6 11 6 13 Oscilloscope Input Capacitance Measurement 6 11 6 14 Overload Measurement Specifications nennen 6 12 6 15 SC600 Calibration and Verification Equipment sess 6 15 6 16 Voltage HP34584 Settings 0 0 1 4 4 enne ener enne nennen 6 19 6 17 Edge and Wave Generator HP3458A 6 20 6 18 Verification Methods for SC600 Functions esee 6 28 6 19 DC Voltage Verification at 1 emere 6 20 6 20 DC Voltage Verification at 50 6 31 6 21 AC Voltage Verification at 1 rennen 6 32 6 22 AC Voltage Verification at 50 eene nennen 6 33 6 23 AC Voltage Frequency Verification sessssssssseeeeeeeree nennen 16 34 6 24 Edge Amplification Verification sess 6 35 6 25 Edge Frequency Verification esses 6 36 6 26 Edge Rise Time 1 4 0 1 eee eren 6 38 6 27 Edge AberratiOnis eis eee thiet 6 29 6 28 Tunnel Diode Pulser Amplitude Verification 6 39 6 29 Leveled Sine Wave Amplitude Verification esses
59. at the NORMAL output and the AUX inputs and the accuracy of the frequency For the volts volts phase test ac couple the input to the phase meter as shown in Figure 3 7 For the volts current phase measure the phase across a noninductive resistor as shown in Figure 3 8 Table 3 30 shows the test points for phase Table 3 31 shows the test points for frequency Table 3 30 Phase Accuracy Test Output Output Frequency Nominal Measured Deviation 1 Year Spec Voltage Voltage Phase Value degrees NORMAL AUX degrees degrees 60 Hz 400 Hz 1 kHz 5 kHz 10 kHz 60 Hz 400 Hz 1 kHz 5 kHz 10 kHz 60 Hz 400 Hz 3 34 Calibration and Verification 3 Performance Verification Tests Table 3 30 Phase Accuracy Test cont Output Output Frequency Nominal Measured Deviation 1 Year Spec Voltage Voltage Phase Value degrees NORMAL degrees degrees Output Output Nominal Measured 1 Year Spec Voltage Current Phase Value degrees NORMAL AUX degrees degrees A Voltage NORMAL 3 35 5500A Service Manual 3 45 AC Voltage Amplitude Accuracy Squarewave NORMAL The AC Voltage Amplitude Accuracy Squarewave NORMAL test checks the amplitude accuracy at the NORMAL terminals For this test use the Fluke 5790A Refer to the 5790A Operator Manual for operating instructions and con
60. binding posts Good static aware practices should be followed when handling this and other pieces of electronic equipment Line Power e Line Voltage selectable 100 V 120 V 220 V 240 V Line Frequency 47 Hz to 63 Hz Line Voltage Variation 10 about line voltage setting Power Consumption 5500A Calibrator 300 VA 5725A Amplifier 750 VA Dimensions 5500A Calibrator Height 17 8 cm 7 in standard rack increment plus 1 5 cm 0 6 in for feet on bottom of unit e Width 43 2 cm 17 in standard rack width e Depth 47 3 cm 18 6 in overall 5725A Amplifier Height 13 3 cm 5 25 in standard rack increment plus 1 5 cm 0 6 in for feet on bottom of unit e Width 43 2 cm 17 in standard rack width e Depth 63 0 cm 24 8 in overall Weight without options 5500A Calibrator 22 kg 49 Ib 5725A Amplifier 32 kg 70 Ib Absolute Uncertainty Definition The 5500 specifications include stability temperature coefficient linearity line and load regulation and the traceability of the external standards used for calibration You do not need to add anything to determine the total specification of the 5500A for the temperature range indicated Specification Confidence Interval 99 1 After long periods of storage at high humidity a drying out period with the power on of at least one week may be required Introduction and Specifications Specifications 1 5
61. connector BNC on the front panel The 10 ms to 2 us markers are derived from a square wave signal that is generated on the A6 board and passed to the A50 board for wave shaping and external trigger generation If the trigger is turned on the signal is connected to the Trig Out BNC on the front panel The marker signal is passed from the A50 board to the attenuator assembly and then to the SCOPE connector BNC on the front panel The 1 us to 2 ns markers are generated from the leveled sine wave generator the A50 board This signal is also split to drive the external trigger circuits If the trigger is turned on the signal 15 then connected to the Trig Out BNC on the front panel The other path routes the signal to the marker circuits on the A50 board where the signal is shaped into the other marker waveforms The marker signals are passed from the A50 board to the attenuator assembly and on to the SCOPE connector BNC on the front panel Wave Generator Mode signals for the wavegen function are generated from the A6 board and are passed to the A50 board They are then sent to the attenuator assembly where range attenuation occurs Wavegen signals are then sent to the SCOPE connector BNC on the front panel Pulse Generator ModesVideo and pulse generator mode signals are derived entirely from dedicated circuitry on the 50 SC600 option board If there are faults associated only with these functions the A50 board most likely needs replacemen
62. degrees Value A NORMAL AUX AUX sm ew wm mm fa wm mm T wm we fo E qp 4 5 0 161 0 161 1000 V 33 mA 7 kHz 10 kHz 0 541 optional Optional 33 mA 10 kHz 800 V 3 42 AC Power Amplitude Accuracy High Current The AC Power Amplitude Accuracy High Current test checks the voltage outputs at the NORMAL terminals in the presence of a high current Apply a short to the AUX terminals to provide a low impedance path for current Table 3 28 shows the test points Table 3 28 AC Power Amplitude Accuracy Test High Current Nominal Nominal Frequency Phase Measured Deviation 90 Day Spec Value Value degrees Value V NORMAL AUX NORMAL 0 101 m ee fw aav ezma toni 0 048 0 048 3 33 5500A Service Manual 3 43 AC Power Amplitude Accuracy High Power The AC Power Amplitude Accuracy High Power test checks the accuracy of the ac power output at high power levels Apply a short to the AUX terminals to provide a low impedance path for current Table 3 29 shows the test points Table 3 29 AC Power Amplitude Accuracy Test High Power Nominal Nominal Frequency Phase Measured Deviation 90 Day Spec Value Value degrees Value V 96 NORMAL AUX NORMAL 3 44 Phase and Frequency Accuracy The Phase and Frequency Accuracy test checks the accuracy of the phase between signals
63. each step 3 For each calibration step take samples for at least two seconds using the HP 3458A MATH functions to retrieve the average or mean value See Setup for SC600 Edge and Wave Generator Measurements for more details Edge Amplitude Calibration This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter e BNC cable supplied with the SC600 500 feedthrough termination Refer to Figure 6 3 for the proper setup connections Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure fast edge amplitude Then follow these steps to calibrate edge amplitude 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BNC cable and the BNC f to Double Banana 2 Set the HP 3458A to DCV NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the lower part of the wave form i e baseline Manually lock the HP 3458A to the range that gives the most resolution for the baseline measurements Use this same range for the corresponding baseline measurements at 6 37 SC600 Option 6 Calibration and Verification of Square Wave Voltage Functions each step Note that in the EDGE function the topline is very near 0 V and the baseline is a negative voltage For each calibration step take samples for at
64. equipment PM 6680 Frequency Counter BNC cable supplied with the SC600 Refer to Figure 6 6 for proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify Edge duty cycle 1 Setthe 6680 s FUNCTION to measure duty cycle on channel A with auto trigger measurement time set to 1 second or longer 50 impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A Program the Calibrator Mainframe to output 2 5 V at 1 MHz 4 Allow the PM 6680 reading to stabilize Compare the duty cycle reading to 50 5 Edge Rise Time Verification This procedure tests the edge function s rise time Aberrations are also checked with the Tektronix 11801 oscilloscope and SD 22 26 sampling head The following equipment is used to verify the edge rise time High Frequency Digital Storage Oscilloscope Tektronix 11801 with Tektronix SD 22 26 sampling head SC600 Option 6 Verification e 3 dB attenuator 3 5 mm m f e BNC f to 3 5 mm m adapter 2 BNC cable supplied with the SC600 e second BNC cable Connect the BNC cable supplied with the SC600 to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to one BNC f to 3 5 mm m adapter then to the DSO s sampling head through the 3 dB attenuator
65. least two seconds using the HP 3458A MATH functions to enter the average or mean value See Setup for SC600 Edge and Wave Generator Measurements for more details The true amplitude of the wave form is the difference between the topline and baseline measurements correcting for the load resistance error To make this correction multiply the readings by 0 5 50 Rload Rload where Rload actual feedthrough termination resistance Leveled Sine Wave Amplitude Calibration This procedure uses the following equipment 5790A AC Measurement Standard BNC f to Double Banana Plug Adapter 50 Q feedthrough termination BNC cable supplied with the SC600 Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure leveled sine amplitude Then follow these steps to calibrate Leveled Sine Wave amplitude l Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 500 feedthrough termination then to the 5790A INPUT 2 using the BNC f to Double Banana adapter Set the 5790 to AUTORANGE digital filter mode to FAST restart fine and Hi Res on Press the GO ON blue softkey Press to activate operating mode on the Calibrator Mainframe Allow the 5790A rms reading to stabilize Multiply the 57904 reading by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Enter the
66. not the ones Fluke uses at the factory These procedures have been developed to provide you with the ability to calibrate and verify the SC300 at your own site if necessary You should review all of the procedures in advance to make sure you have the resources to complete them It is strongly recommended that if possible you return your unit to Fluke for calibration and verification Hardware adjustments that are made after repair at the factory or designated Fluke service centers are provided in detail 6 84 Maintenance There are no maintenance techniques or diagnostic remote commands for the SC300 that are available to users If your SC300 is not installed or not receiving power the following error message appears on the display when you press access the oscilloscope calibration menus 4 2 5 5 2 5 om030i eps If this message is displayed and you have the SC300 installed in your Calibrator Mainframe you must return the Calibrator Mainframe to Fluke for repair If you wish to purchase the SC300 contact your Fluke sales representative 6 67 5500A Service Manual 6 85 SC300 Specifications These specifications apply only to the SC300 General specifications that apply to the Calibrator Mainframe can be found in Chapter 1 The specifications are valid providing the Calibrator Mainframe 15 operated under the conditions specified in Chapter 1 and has completed a war
67. of the main plug in boards of the Calibrator Mainframe are defective Figure 6 18 shows a block diagram of the SC300 Option also referred to as the A50 board Functions that are not depicted in the figure are generated from the DDS Assembly A6 board For a diagram of all Calibrator Mainframe board assemblies refer to Figure 2 1 6 94 Voltage Mode signals for the voltage function are generated from the A6 board and are passed to the A50 board via the SCOPE HV signal line The generated signal ac or dc 1s then passed from the A50 board to the A90 attenuator assembly where range attenuation occurs The signal is then passed to the SCOPE output BNC on the front panel 6 95 Edge Mode The edge clock originates on the A50 board The signal is then shaped and split to generate the fast edge and external trigger signals The edge signal 15 passed from the A50 board first to the attenuator assembly where range attenuation occurs and then to the SCOPE connector BNC on the front panel If turned on the trigger is connected to the Trig Out BNC on the front panel 6 96 Leveled Sine Wave Mode of the leveled sine wave signals from 50 kHz to 350 MHz are produced on the A50 board The leveled sine wave signal is passed from the A50 board to the on board attenuator assembly The attenuator assembly provides range attenuation and also contains a power detector which maintains amplitude flatness across the frequency range The signal is
68. on the display Connect the BNC cable to the Calibrator Mainframe SCOPE connector Then follow these steps to verify the overload function 1 Connect the 50 Q feedthrough termination to the end of the BNC cable 2 Program the Calibrator Mainframe output for 5 000 V DC OUT VAL blue softkey and time limit 60 s T LIMIT blue softkey 3 Press on the Calibrator Mainframe to activate the output and verify that the OPR display timer increments 4 Remove 50 Q feedthrough termination before 60 seconds and verify that Calibrator Mainframe goes to STBY Reconnect the 50 Q feedthrough termination to the end of the BNC cable Program the Calibrator Mainframe output for 5 000 V AC OUT VAL blue softkey 7 Press on the Calibrator Mainframe to activate the output and verify that the OPR display timer increments 8 Remove the 50 feedthrough termination before 60 seconds and verify that Calibrator Mainframe goes to STBY 6 74 SC600 Hardware Adjustments 6 75 6 76 6 77 Hardware adjustments must be made to the leveled sine and edge functions each time the SC600 is repaired In addition to the adjustment procedures this section provides lists of the required equipment and some recommendations on models that have the capabilities required by these procedures Equivalent models can be substituted if necessary Equipment Required The following equipment is necessary for performing the hardware adjustments described in
69. output cable as shown in Figure 3 5 This cable eliminates the need for a four wire connection Using the PM6304C LCR meter HI LEVEL is 2 V and NORMAL LEVEL is 1 V The 55004 15 automatically set to COMP off Enter into the 5500A the measured values of each step listed in Table 3 9 when prompted to do so Note Make sure there are no other connections to the 5500A especially the SCOPE BNC Connecting any additional grounds to the 55004 can cause erroneous capacitance outputs PM6304C om012f eps Figure 3 5 LCR Meter Connections Calibration and Verification 3 Calibration Table 3 9 Capacitance Calibration Steps sep oon messe indus _____ NC 212 s p me o LE LS ef we O O o o a LE RECHNER ANN NN NN ww S EMEN ZEN we o E 0 E 7 E m ww m o o E x we we m mw 7 we S 5500A Service Manual 3 15 Capacitance Four Wire Comp This step measures the internal capacitance between the 55004 AUX HI and NORMAL LO terminals to give the best COMP four wire operation in Capacitance Refer to Figure 3 6 Connect the LCR meter INPUT SENSE HI to the 5500A AUX connect the LCR mete
70. output limit specifications 1 21 Power supplies 2 8 Inguard supplies 2 8 Outguard supplies 2 8 Pulse Function Trigger Specifications 6 10 Pulse Generator Function Specifications 6 10 Pulse period verification 6 57 Pulse Width function Calibration 6 25 equipment setup 6 25 Verification equipment setup Pulse width verification 6 56 Remote commands for calibration 3 16 Removing Analog 4 3 Rear panel assemblies The Encoder A2 and Display PCAs 4 4 The Filter PCA A12 The Keyboard and Accessing the Output Block The Main CPU andes Reports calibration Required equipment for calibration and verification Bs Resistance specifications 1 9 5 SC300 Seealso Calibration 6 67 5 77 Error Message indicating not installed 6 67 Hardware adiustments 6 111 1 Maintenance 6 67 Theory of Operation 622 __ User s servicing abilities 6 67 Verification 684 SC600 See Calibration 6 5 6 17 Error Message indicating not installed 6 5 Hardware adjustments Maintenance 6 5 Theory of Operation User s servicing abilities 6 5 Verification SC600 Specifications 6 6 Scope Calibration See SC300 See SC600 Service information Specifications lia AC current non sinewave 1 30 ac current sinewaves 1 13 AC current sinewaves extended bandwidth 1 29 AC current squarewave characteristics typical 1 31 AC current tria
71. standards you should send your Calibrator Mainframe to Fluke or other facility that has established traceability for aberrations Fluke for example has a reference pulse that is sent to the National Institute of Standards and Technology NIST for characterization This information is then transferred to high speed sampling heads which are used to adjust and verify the SC300 Equipment Setup Program the Calibrator Mainframe to output 1 V 100 kHz Set the Trigger to 1 Using the 60 ns Delay Cable connect the SCOPE output of the Calibrator Mainframe to the SD 22 sampling head on the oscilloscope Connect the trigger output to the 11801B s trigger input Then set the sampling heads to the settings listed below to establish a reference signal In addition to the settings shown below adjust the scan control for a well triggered display You may need to adjust the signal averaging on the 11801B 6 117 5500A Service Manual 11801B Setup Voltage division 10 mV div dc offset Centered Dot Response Centered Smooth On Time Base Position 5 us Time division 0 5 us Trigger Level Center negative slope Trigger Input x10 External Trigger 1 Sequential On Scan Repetitive On 6 152 Adjusting the Edge Aberrations for Board 5500A 4004 1 Follow this procedure only if you have Board 5500A 4004 1 Fluke PN 600749 1 Adjust the dc offset on the 11801B so the last 500 ns of the peak of the square wave is the center lin
72. to the Hewlett Packard E4418A operators manual for details PRESET RESOLN3 e AUTO FILTER e WATTS e SENSOR TABLE 0 default om035f eps Figure 6 11 Connecting the HP E4418A Power Meter to the HP 8482A or 8481D Power Sensor om036f eps Figure 6 12 Connecting the Calibrator Mainframe to the HP Power Meter and Power Sensor 6 45 5500A Service Manual 6 63 Low Frequency Verification This procedure provides an example of testing low frequency flatness using a 5 5 V output Follow the same procedure for testing other amplitudes only compare results against the flatness specification listed in Table 6 32 1 Program the Calibrator Mainframe for an output of 5 5 V 500 kHz Press on the Calibrator Mainframe to activate the output 2 Allow the 57904 reading to stabilize The 5790A should display approximately 1 94 V rms Enter the 5790A reading in Column A of Table 6 32 3 Enter 50 kHz into the Calibrator Mainframe Allow the 5790A reading to stabilize then enter the 5790A reading in Column B of Table 6 32 4 Enter the next frequency listed in Table 6 32 Allow the 5790 reading to stabilize then enter the reading into Column A of the table 5 Enter 50 kH
73. to the value listed in the table Adjust the main time base position and vertical offset until the pulse signal 1s centered on the display Record the width measurement Compare to the tolerance column of Table 6 43 Table 6 43 Pulse Width Verification Calibrator Output DSO horizontal 1 11801 Tolerance iow Reading time div inm 226 inm 2 226 6 70 SC600 Option 6 Verification Pulse Period Verification This procedure uses the following equipment PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 BNC cable supplied with the SC600 Refer to Figure 6 6 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Pulse menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify the Pulse period 1 Setthe 6680 s FUNCTION to measure period on channel A with auto trigger measurement time set to 1 second or longer 50 impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A 3 Program the Calibrator Mainframe to output the pulse width and period at 2 5 V as listed in Table 6 44 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each period listed for the Calibrator Mainframe Compare to the tolerance column of Table 6 44 Table 6 44 Pulse Period Verification Calibrator Mainfr
74. 0 7 5 10 to 20 Hz 0 15 50 20 to 45 Hz 0 05 50 33 to 329 99 mA 45 Hz to 1 kHz 0 07 50 1 to 5 kHz 0 2 50 5 to 10 kHz 0 4 50 10 to 45 Hz 0 2 500 0 33 to 2 19999 A 45 Hz to 1 kHz 0 1 500 1 to 5 kHz 1 4 500 45 to 65 Hz 0 2 3mA 2 210 11A 65 to 500 Hz 0 1 3 mA 500 Hz to 1 kHz 0 4 3mA 5725A Amplifier 45 Hz to 1 kHz 0 05 1 mA 1 5t0 11A 1 to 5 kHz 0 12 1 5 to 10 kHz 0 5 1 mA Introduction and Specifications Specifications 1 10 Capacitance Specifications p UO Range Resolution Typical for 1 Specifications apply to both dc charge discharge capacitance meters and ac RCL meters The output is continuously variable from 330 pF to 1 1 mF For all ranges the maximum charge and discharge current is 150 mA pk or 30 mA rms The peak voltage is 4 V except the 330 to 1 1 mF range is limited to 1 V The maximum lead resistance for no additional error in 2 wire COMP mode is 10 O 1 5500A Service Manual 1 11 Temperature Calibration Thermocouple Specifications Absolute Uncertainty Absolute Uncertainty Source Measure TC Source Measure Range C tcal 5 4 Range 2 5 C d 3 Type 3 90 days 90 days RESET The 10 uV C linear output mode has the same uncertainty as the 300 mV dc range Applies to both simulated thermocouple output and thermocouple measurement 1 Temperature standard ITS 90 or IPTS 68 is selectable 2 Resoluti
75. 0 Option 6 Equipment Required for Calibration and Verification 6 27 Equipment Required for Calibration and Verification Table 6 15 lists the equipment recommended models and minimum specifications required for each calibration and verification procedure Table 6 15 SC600 Calibration and Verification Equipment Wave Generator and Edge Amplitude Calibration AC Voltage and TD Pulser Verification Instrument Minimum Use Specifications Digital HP 3458A Multimeter Voltage 1 8 mV to 130 V p p Uncertainty 0 06 4 5 mV to 2 75 V p p Uncertainty 0 06 Pomona 41269 BNC f to Double Banana Plug Termination Feedthrough 50 196 used with Edge Amplitude Calibration and AC Voltage Verification BNC Cable supplied with SC600 Edge Rise Time and Aberrations Verification High Tektronix 11801 with F equency 12 5 GHz Frequency Tektronix SD 22 26 Digital Storage sampling head or Oscilloscope Tektronix TDS 820 with 8 GHz bandwidth 4 5 mV to 2 75 V Attenuator Weinschel 9 10 SMA 10 dB 3 5 mm m f or Weinschel 18W 10 or equivalent BNC Cable supplied with SC600 Leveled Sine Wave Amplitude Calibration and Verification AC Fluke 5790A Range 5 mV p p to 5 5 V p p Measurement Adapter Pomona 1269 BNC f to Double Banana Plug BNC Cable supplied with SC600 DC and AC Voltage Calibration and Verification DC Voltage Verification Digital HP 3458A Multimeter Pomona 1269 BNC f to Double Banana Plug BNC Cabl
76. 00 Specifications Eee UE Volt Specifications 0 ccecscccssccssecstecsecseceecesecesecseeseeeseeeseneeeneenaes Edge Specifications err tre Ori Leveled Sine Wave Specifications sse Time Marker Specifications 0 0 0 1 1 Wave Generator Specifications esses Pulse Generator 9 Trigger Signal Specifications Pulse Trigger Signal Specifications Time Marker Function Trigger Signal Specifications Edge Function Trigger Signal Specifications Square Wave Voltage Function Trigger Signal Specifications sse Oscilloscope Input Resistance Measurement Specifications Oscilloscope Input Capacitance Measurement Specifications Overload Measurement Specifications sss Theory of Operation sssssssssseseeeeeeneren eene E Re Pieter es Tom Edge MOG Em Leveled Sine Wave Mode sese Time Marker Wave Generator Mode Input Impedance Mode Input Impedance Mode Overload Mode eitis i EHI ee eene ies Equipment Requir
77. 00A Calibration later in this chapter In remote you can jump to NORMAL volts and AUX volts phase calibration by sending the command CAL START FACTORY PHASE Measure with a phase meter of suitable accuracy as shown in Figure 3 7 Enter into the 5500A the measured values when prompted The 5500 outputs the voltages shown in Table 3 10 The 5500 15 automatically set to LOs open AUX Output Terminals Reference Terminals Clark Hess Phase Meter Signal Terminals om014f eps Figure 3 7 Normal Volts and AUX Volts Phase Calibration Table 3 10 Normal Volts and AUX Volts Phase Calibration Steps NORMAL Output AUXouput Frequency 0 TT 300 mV m TT 200 Tm 3 18 Volts and AUX Current Phase The 5500A outputs the voltages and currents shown in Figure 3 8 The 5500A is automatically set to LOs open You need to externally connect the NORMAL LO and AUX LO To measure the phase connect a 0 1 1 0 W low inductive shunt directly across the AUX terminals and sense the voltage there with a phase meter of suitable accuracy Table 3 11 shows the steps in this procedure In remote you can jump to NORMAL volts and AUX current phase calibration by sending the command CAL START FACTORY IPHASE 3 15 5500A Service Manual Reference Terminals
78. 00E 01 0000001E 01 6669998 00 0000000 00 5000001E 03 5500A Service Manual 3 20 3 24 Calibration Constants Report Spreadsheet Format ACTIVE 0 STORED 0 OLD 0 VDAC Z1 4 0950000 03 4 0950000 03 4 0950000 03 4 0950000 03 VDAC Z2 6 7770000 03 6 7770000 03 6 7770000 03 4 0960000 03 VDAC RATIO 6 3140000 03 6 3140000 03 6 3140000 03 6 7550000 03 VDAC 5 8708777E 02 5 8708777 02 5 8708777E 02 5 8700000E 02 VDAC 5 8709972 02 5 8709972 02 5 8709972E 02 5 8700000 02 IDAC Z1 4 0950000 03 4 0950000 03 4 0950000 03 4 0950000 03 IDAC 22 6 4480000 03 6 4480000 03 6 4480000 03 4 0960000 03 IDAC RATIO 5 9950000 03 5 9950000 03 5 9950000 03 6 7550000 03 IDAC 5 8719214 02 5 8719214 02 5 8719214 02 5 8700000 02 IDAC 5 8720334 02 5 8720334 02 5 8720334 02 5 8700000 02 continued 3 25 Performance Verification Tests 3 26 The following tests are used to verify the performance of the 5500A Calibrator If an out of tolerance condition is found the instrument can be re calibrated using the front panel or the remote interface as described previously in this chapter Use the same test equipment and connection methods as used in the preceding calibration procedures Zero the 5500A Calibrator before testing by completing Zeroing the Calibrator as described next The performance tests have reserved column
79. 1 Set the Calibrator Mainframe impedance to 50 Q The blue softkey under SCOPE Z toggles the impedance between 50 and 1 MQ 2 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 50 Q feedthrough termination then to the 5790A INPUT 2 using the BNC f to Double Banana adapter 3 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on 6 109 5500A Service Manual 4 Program the Calibrator Mainframe to output the wave type and voltage listed in Table 6 71 5 Allow the 5790 reading to stabilize then record the 5790A rms reading for each wave type and voltage in Table 6 71 6 Multiply the rms reading by the conversion factor listed to convert it to the peak to peak value 7 Multiply the peak to peak value by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Compare result to the tolerance column Table 6 70 Wave Generator Verification at 1 Calibrator Calibrator 5790A Conversion 5790A Reading x Tolerance Mainframe Mainframe Reading Factor Conversion Factor V p p Wave Type output V rms V p p 10 kHz 6 110 SC300 Option 6 SC300 Hardware Adjustments Table 6 71 Wave Generator Verification at 50 Calibrator Calibrator Mainframe Mainframe 5790A Conversion 5790A Reading x Tolerance Wave Type output Reading Factor Conversion Facto
80. 146 6 147 6 148 6 149 6 150 6 151 6 152 6 153 6 154 6 155 6 156 Leveled Sine Wave Flatness Verification esses Equipment Setup for Low Frequency Flatness Equipment Setup for High Frequency 1 Low Frequency Verification esses High Frequency 2 Time Marker Verification esses rennen Wave Generator Verification Verification at 1 Verification at 50 Q SC300 Hardware Adjustments sese Equipment Adjusting the Leveled Sine Wave Function esses Equipment Setup erret Adjusting the Leveled Sine Wave Harmonics Adjusting the Aberrations for the Edge Function Equipment Setup e ese ree xu AEN Adjusting the Edge Aberrations sss SC300 Hardware Adjustments for the A4 Equipment Adjusting the Leveled Sine Wave Function sss Equipment Setup sess ener Adjusting the Leveled Sine Wave VCO Balance Adjusting the Leveled Sine Wave Harmonics Ad
81. 2 945159 152140 295105 494641 944785 859939 850334 152181 412858 937284 883160 886333 854351 945238 945266 937263 945246 945258 945261 929179 929182 886312 891718 886304 764548 868794 945451 775338 172080 1586654 284174 945365 o x bo mA 9 Figure 5 2 Front Panel Assembly lt 2 S 5 gt List of Replaceable Parts Parts Lists 5500A A63 2 of 6 om020f eps 5 5 9 5500A Service Manual 5 10 Reference Designator Notes Table 5 3 Rear Panel Assembly Description CPU PCA BINDING HEAD PLATED BINDING POST STUD PLATED FUSE 25X1 25 2 5A 250V SLOW FUSE 25X1 25 1 25A 250V SLOW FILTER LINE 250VAC 4A W ENTRY MODULE FILTER LINE PART VOLTAGE SELECTOR FILTER LINE PART FUSE DRWR W SHRT BAR WASHER LOCK INTRNL STL 2671D NUT HEX BR 1 4 28 SCREW PH P LOCK STL 6 32 250 WASHER FLAT STL 160 281 010 SCREW CAP SCKT SS 8 32 375 CONN ACC D SUB JACKSCREW KIT 250 L CONN ACC MICRO RIBBON SCREW LOCK SCREW CAP SCKT STL LOCK 6 32 750 SCREW HHI H SS 10 32 3 25 NUT HEX ELASTIC STOP STL 10 32 375 SCREW FHU P SS 6 32 312 WASHER FLAT STL 203 434 031 WASHER FLAT STL 191 289 010 WASHER FLAT STL 170 375 031 PANEL REAR COVER TRANSFORMER HANDLE INSTRUMENT GRAY 7 HOUSING AIR FILTER AIR FILTER DECAL CSA LABEL ADHES VINYL 1 500 312 LABEL CALIB
82. 227 228 229 230 231 232 233 234 235 300 301 302 303 304 305 306 307 308 309 310 SIT 312 313 314 315 Ei E OU E UUUUUUUUUUU0U0uUu E Uu E n E j Ed mj fj j n OU tz UUUUU j j E j n UU E mj nj OU E j Uu OU E tz eJ mJ gj vU gU vU d PU pU OU E UUUUUUUJ E E E E FEE EE ERE eee Se oe ee EIL ER EE E NNN aan Maintenance 4 Complete List of Error Messages Hardware relay trip occurred Inguard got impatient A D fell asleep Inguard watchdog timeout 5725A ROM failure 5725A RAM failure 5725A EEPROM failure 5725A data bus failure 5725A CLAMPS circuit fai
83. 4 9 ms to 21V 7 5 ns gt 1 SC600 Option 6 SC600 Specifications 6 12 Trigger Signal Specifications Edge Function Table 6 9 Trigger Signal Specifications Edge Function Edge Signal Division Typical Amplitude Typical Rise Time Typical Lead Time Frequency Ratio into 500 p p 6 13 Trigger Signal Specifications Square Wave Voltage Function Table 6 10 Trigger Signal Specifications Square Wave Voltage Function Edge Signal Division Typical Amplitude Typical Rise Time Typical Lead Time Frequency Ratio into 500 p p 6 14 Trigger Signal Specifications Table 6 11 TV Trigger Signal Specifications Field Formats Selectable NTSC SECAM PAL PAL M Selectable inverted or uninverted video Amplitude into 50O p p Adjustable 0 to 1 5 V p p into 50 ohm load 7 accuracy 6 15 Oscilloscope Input Resistance Measurement Specifications Table 6 12 Oscilloscope Input Resistance Measurement Specifications 0a 600 500 15 6 16 Oscilloscope Input Capacitance Measurement Specifications Table 6 13 Oscilloscope Input Capacitance Measurement Specifications Uncertainty t 5 of input 0 5 pF 1 1 Measurement made within 30 minutes of capacitance zero reference SC600 option must be selected for at least five minutes prior to any capacitance measurement including the zero process 5500A Service Manual 6 12 6 17 Overload Measurement Specifications Table 6 14 Overload Measurem
84. 4 Operator Manual for operating instructions and connections Enter into the 5500A each of the measured values listed in Table 3 5 when prompted to do so Table 3 5 AC Current Calibration Steps 5500A Output Frequency Shunt Value AUX 3 2999 mA 100 Hz A40 10mA 0 330 mA 100 Hz 1 k Metal Film s ow s E s mm 5 3 11 AUX DC Volts Measure the AUX output using a precision DMM Enter into the 5500A the measured values of each step listed in Table 3 6 when prompted to do so Table 3 6 AUX DC Volts Calibration Steps Step NORMAL Output AUX output 200 nV Calibration and Verification 3 Calibration 3 12 AUX AC Volts Measure the AUX output using a precision AC Voltmeter Enter into the 5500A the measured values of each step listed in Table 3 7 when prompted to do so Table 3 7 AUX AC Volts Calibration Steps Ls p ow ow 09m 3 13 Resistance Use a precision DMM to measure the resistance output Figure 3 3 shows the four wire connections Enter into the 5500A the measured values of each step listed in Table 3 8 when prompted to do so HP3458 4W Ohms Function Connect the Input leads to the NORMAL output terminals Connect the SENSE leads to the AUX terminals om010f eps Figure 3 3 Connections f
85. 5 mV 10 kHz 100 mV dc 10 mV 10 kHz 100 mV dc 25 mV 10 kHz 100 mV dc 50 mV 10 kHz 100 mV dc 100 mV 10 kHz 1 V dc 500 mV 10 kHz 1 V dc 1 00 V 10kHz 1V dc 2 5 V 10 kHz 10 V dc 6 52 Edge Frequency Verification This procedure uses the following equipment PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 BNC cable supplied with the SC600 6 35 5500A Service Manual 6 36 10 kHz Refer to Figure 6 6 for proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify Edge frequency 1 Setthe 668075 FUNCTION to measure frequency on channel A with auto trigger measurement time set to 1 second or longer 500 impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A 3 Program the Calibrator Mainframe to output 2 5 V at each frequency listed in Table 6 25 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 6 25 Compare to the tolerance column of Table 6 25 Table 6 25 Edge Frequency Verification Calibrator Mainframe Frequency PM 6680 Reading Frequency Tolerance output amp 2 5 V p p 0 0025 Hz 0 025 Hz 10 MHz 6 53 6 54 Edge Duty Cycle Verification This procedure uses the following
86. 500 C 532 DDE Can t go to STBY in Meas TC 533 DDE Can t set an offset now 534 DDE Can t lock this range 535 DDE Can t set phase or PF now 536 DDE Can t set wave now 537 DDE Can t set harmonic now 538 DDE Can t change duty cycle now 539 DDE Can t change compensation now 540 DDE FR Current OUTPUT moved to 5725A 541 DDE ref must be valid TC temp 542 DDE Can t turn EARTH on now 543 DDE D STA couldn t update OTD 544 DDE Can t enter W with non sine 545 546 547 548 549 550 551 600 601 602 700 701 702 703 800 801 802 803 900 1000 1001 1002 1003 1004 1005 1006 1200 1201 1202 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 E UUUU UUUUUUUUUU E Ej E BH Ej D Dd pd E E U ouu g FR FR FR R R R R FR FR FR FR FR FR FR FR FR FR FR 2 2 Maintenance 4 Complete List of Error Messages Can t edit now Can t set trigger to that now Can t set output imp now Compensation is now OFF Period must be gt 0 A report is already printing SC option not installed Outguard watchdog timeout Power up RAM test failed Pow
87. 500A Calibrator ac voltage and ac current functions These specifications are valid after allowing a warm up period of 30 minutes or twice the time the 5500A has been turned off All extended range specifications are based on performing the internal zero cal function at weekly intervals or when the ambient temperature changes by more than 5 See Chapter 4 Front Panel Operations in the 5500A Operator Manual 1 19 Frequency Specifications Frequency 1 Year Absolute Uncertainty Range Resolution 5 Jitter PPM mHz 0 01 119 99 Hz 0 01 Hz 25 ppm 15 mHz above 10 kHz 1 20 Harmonics 2 to 50 Specifications Frequency NORMAL Terminals AUX Terminals Uncertainty 10mV1033V of output as the 6510500Hz 33mVtot20V 33mAto 11A 100 022 equivalent single output i00mVio33V Put the floor adder 1 to 5 kHz 3 3 to 1020 V 33 mA to 2 19999 A 100 mV to 3 3 V Phase uncertainty for harmonic outputs is 1 degree or the phase uncertainty shown in Phase Specifications for the particular output whichever is greater For example the phase uncertainty of a 400 Hz fundamental output and 10 kHz harmonic output is 10 degrees from Phase Specifications Another example the phase uncertainty of a 60 Hz fundamental output and a 400 Hz harmonic output is 1 degree maximum frequency of the harmonic output is 10 kHz For example if the fundamental output is 5 kHz the maxim
88. 5mVto5 5V 1 Resolution 100 mV 3 digits gt 100 mV 4 digits Adjustment Range continuously adjustable 1 Year Absolute t 296 of output 3 5 of output t 496 of output Uncertainty 200 uV 300 uV 300 uV tcal 5 Flatness relative to 50 KHz not applicable t 1 596 of output 2 0 of output 100 uV 100 uV Short term Stability lt 1 2 Frequency Characteristics 1 Year Absolute 25 ppm 15 mHz 25 ppm 4 25 ppm Uncertainty tcal 5 C Distortion Characteristics 2nd Harmonic 3rd and Higher Harmonics 1 Extended frequency range to 350 MHz is provided but flatness is not specified Amplitude is limited to 3 V for frequencies above 250 MHz 2 Within one hour after reference amplitude setting provided temperature varies no more than 5 C 3 At frequencies below 120 kHz the resolution is 10 Hz For frequencies between 120 kHz and 999 9 kHz the resolution is 100 Hz 4 25 ppm 15 mHz for frequencies of 1 MHz and below 6 70 SC300 Option 6 SC300 Specifications 6 89 Time Marker Function Specifications Time Marker into 5s to 100 us 50 us to 2 us 1 us to 20 ns 500 1 Absolute 25 81000 25 t 15 000 25 25 ppm Uncertainty tcal 5 3 ppm 1 ppm 1 Wave Shape pulsed pulsed pulsed sawtooth sine m C p Typical TypicalOutputlevel Level gt 1 _ gt gt 1 1Vpk gt 1 gt gt 2 p p gt 2
89. 6 3416 90 AC voltage dc offset specifications 1 28 AC voltage squarewave characteristics 1 29 AC voltage trianglewave characteristics typical 1 29 Access procedures 4 3 Additional specifications 1 24 Calculating power uncertainty 1 23 Calibrating the 55004 3 3 Calibration AC current AC volts AUX ac volts Capacitance AUX dc volts Index Capacitance four wire 3 14 DC current DC volts 3 5_ Frequency How the procedure works 3 4 NORM volts and AUX current phase NORM volts and AUX volts phase 3 15 Remote commands for Reports generating Resistance 3 9 8 300 6 67 6 77 5 600 6 5 6 17 MeasZ Pulse Width 6 25 Starting 3 4 Thermocouple measuring 2 6 Capacitance specifications 1 15 Current assembly A7 Theory 2 6 DC current specifications 1 8 DC power specification summary 1 19 DC Voltage function Verification 6 21 6 29 6 79 6 84 DC voltage specifications 1 7 DDS assembly A6 Theory 2 5 Diagnostic testing Error messages Front panel Running diagnostics 4 7 Sequence of diagnostics tests 4 7 Edge Duty Cycle function Verification 6 36 6 93 Service Manual Edge Frequency function Verification 6 35 92 Edge function adjusting aberrations adjusting the rise time Rise time verification 6 36 6 93 Theory of Operation 16 12 6 72 Edge Function Specifieaionsle 9 Trig
90. 7 AC Voltage Harmonic Amplitude Accuracy NORMAL The AC Voltage Harmonic Amplitude Accuracy NORMAL tests the accuracy of the harmonics from the NORMAL terminals For this test set the 5500A output to sinewave Table 3 34 shows the test points Table 3 34 AC Voltage Harmonic Amplitude Accuracy NORMAL Nominal Nominal Frequency Harmonic Frequency Measured Value Value AUX NORMAL NORMAL Value V NORMAL AUX NORMAL Optional 3V 200 Hz 50th 10 kHz 1000 V 3 38 Calibration and Verification 3 Performance Verification Tests 3 48 AC Voltage Harmonic Amplitude Accuracy AUX The AC Voltage Harmonic Amplitude Accuracy AUX tests the accuracy of the 50th harmonic from the AUX terminals For this test set the 5500A output to sinewave Table 3 35 shows the test points Table 3 35 AC Voltage Harmonic Amplitude Accuracy AUX Nominal Nominal Frequency Frequency Measured Deviation 90 Day Spec Value Value AUX NORMAL Value V 96 NORMAL AUX 100 He 3 49 DC Voltage Offset Accuracy The DC Voltage Offset Accuracy test the accuracy of the dc offset function for an ac sinewave output on the NORMAL terminals Table 3 36 shows the test points Table 3 36 DC Voltage Offset Accuracy Test Nominal Nominal DC Frequency Measured Value 1 Year Spec V DC NORMAL or 3 39 5500A Service Manual 3 50 AC Voltage Accuracy with a DC Offset The AC Voltage Accuracy with a
91. 790A reading to stabilize then record the 5790A rms reading for each wave type and voltage in Table 6 42 Multiply the rms reading by the conversion factor listed to convert it to the peak to peak value Multiply the peak to peak value by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Compare result to the tolerance column 6 53 5500A Service Manual Table 6 41 Wave Generator Verification at 1 MO Calibrator Calibrator 5790A Conversion 5790A Reading x Tolerance Mainframe Mainframe Reading Factor Conversion Factor V p p Wave Type output V rms V p p 10 kHz square 200 0000154V square 20 0 000487 V square 219mv 20 osv square 20 17 _ 2000 square 560mV 200 square 899mV 7 20017 square 200 omv square 155mV 20 0 square 201 square 220mv 20 0067 V square 120000 square _ 2000 square 090V 2o square 13750 200 square 69 20 square 66V 20000 square 2017 square 550V 1200 OT zee O000154V sie ree 0 000757 sie 899mv 294
92. 937086 937271 937276 945241 868786 541730 802306 101345 172080 List of Replaceable Parts Parts Lists 5 5500A Service Manual 5 6 Figure 5 1 Chassis Assembly 5500A Final Assembly 5 of 6 om018f eps List of Replaceable Parts 5 Parts Lists 5500A A64 4 of 6 Figure 5 1 Chassis Assembly cont 5 7 5500A Service Manual Reference Designator Table 5 2 Front Panel Assembly Description KEYBOARD PCA ENCODER PCA TC BUTTON PCA TC CONNECTION PCA PRINT MATL REGISTRATION CAL PROD ENG OPERATOR MANUAL SCREW PH P LOCK STL 6 32 250 SCREW CAP SCKT SS 8 32 375 SCREW PH P THD FORM STL 5 20 312 SCREW PH P LOCK STL 8 32 187 WASHER LOW THERMAL 8 NUT 8 LOW THERMAL SCREW PH P LOCK STL 6 32 625 CONN COAX BNC F CABLE FRONT PANEL MODIFIED PANEL FRONT HANDLE INSTRUMENT GRAY 7 GROMMET EXTRUDED POLYETHYLENE 085 BEZEL FRONT PANEL OUTPUT BLOCK DECAL OUTPUT BLOCK LENS BEZEL ADHESIVE BEZEL NAMEPLATE ELECTROFORM LCD MODULE 16X2 CHAR TRANSMISSIVE LCD MODULE 40X2 CHAR TRANSMISSIVE DECAL POWER ON OFF CALIBRATION CERTIFICATION DECAL DECAL KEYPAD ENCODER WHEEL KNOB ENCODER GREY BRACKET BNC POWER BUTTON ON OFF CABLE ACCESS TIE 4 00L 10W 75 DIA KEYPAD ELASTOMERIC CORD LINE 5 15 IEC 3 18AWG SVT 7 5 CABLE OUTPUT BLOCK TO MOTHER BOARD noes 761049 937370 945308 945485 94482
93. 999 02 5000003E 02 7999997 02 1800000E 01 2800001 01 5000001E 01 0000000E 01 5000000E 01 0000001E 01 6669998 00 0000000 00 5000001E 03 l9 lO I2 WrRPWDOrFPWNN EF FP 7999999E 02 5000003E 02 7999997 02 1800000 01 2800001 01 5000001 01 0000000E 01 5000000E 01 0000001E 01 6669998 00 0000000 00 5000001E 03 Ul t 9 lO L L RP 0 10nrn0o0ntu uNhkKnmm DPmb 7999999 02 5000003E 02 7999997 02 1800000 01 2800001 01 5000001E 01 0000000E 01 5000000E 01 0000001E 01 6669998 00 0000000 00 5000001E 03 PB Ut N N FLUKE CORPORATION 5500A CALIBRATION CONSTANT VALUES 5500A S N 0 NAME ACTIVE STORED OLD DEFAULT SL40MV F8 2800001 01 2800001 01 2800001 01 2800001 01 SL40MV F9 5000001E 01 5000001E 01 5000001E 01 5000001E 01 SL40MV FA 0000000E 01 0000000E 01 0000000 01 0000000E 01 SL40MV FB 5000000E 01 5000000E 01 5000000 01 5000000E 01 SL40MV FC 0000001E 01 0000001E 01 0000001E 01 0000001E 01 SL100MV G 4230000 01 4230000 01 4230000 01 4230000 01 SL100MV F1 0000000 00 0000000 00 0000000 00 0000000 00 SL100MV F2 5000001E 03 5000001E 03 5000001E 03 5000001E 03 SL100MV F3 6000001 02 6000001 02 6000001 02 6000001 02 7999999 02 5000003E 02 7999997E 02 1800000E 01 2800001 01 5000001E 01 0000000E 01 50000
94. Amplitude Verification sess 6 31 6 48 Verification at 1 MOni aaa a 6 31 6 49 Verification at 50 2 eicere det deas 6 33 6 50 AC Voltage Frequency Verification essere 16 34 6 51 Edge Amplitude Verification seen 6 35 6 52 Edge Frequency 2 6 35 6 53 Edge Duty Cycle Verification sese 6 36 6 54 Edge Rise Time 6 36 6 55 Edge Abberation Verification eese 6 38 6 56 Tunnel Diode Pulser Drive Amplitude Verification 6 39 6 57 Leveled Sine Wave Amplitude Verification 6 58 Leveled Sine Wave Frequency Verification esses 6 59 Leveled Sine Wave Harmonics Verification 6 60 Leveled Sine Wave Flatness Verification sess 6 61 Equipment Setup for Low Frequency Flatness 6 62 Equipment Setup for High Frequency Flatness 6 63 Low Frequency Verification esses 6 64 High Frequency Verification sess 6 65 Time Marker Verification 6 66 Wave Generator Verification esses 6 67 Verification at 1 MO seii iR re He rie dL eee inks 6 68 Verification at 5002 iiis 6 69 Pulse Width Verification
95. BNC cable supplied with the Calibrator Mainframe For wave generation verification procedures refer to Figure 6 28 for the proper setup connections 6 108 SC300 Option 6 Verification 5500A SC300 FLUKE 5500 CALIBRATOR BNC F to Double Banana Feed Through Adapter Termination om065f eps Figure 6 28 Wave Generator Verification Setup Set the Calibrator Mainframe to SCOPE mode with the Wavegen menu on the display Press on the Calibrator Mainframe to activate the output Set the offset to 0 mV and the frequency to 1 kHz Then follow these steps to verify the wave generator function 6 134 Verification at 1 MQ 1 Set the Calibrator Mainframe impedance to 1 MQ The blue softkey under SCOPE Z toggles the impedance between 50 Q and 1 MQ 2 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 5790A INPUT 2 using the BNC f to Double Banana adapter 3 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on 4 Program the Calibrator Mainframe to output the wave type and voltage listed in Table 6 70 5 Allow the 5790A reading to stabilize then record the 5790A rms reading for each wave type and voltage in Table 6 70 6 Multiply the rms reading by the conversion factor listed to convert it to the peak to peak value Compare result to the tolerance column 6 135 Verification at 50 2
96. C Voltage Specifications 1 00 1 6 DC Current Specifications essen 1 7 Resistance Specifications 2210 2 0 1 8 AC Voltage Sine Wave 1 9 AC Current Sine Wave Specifications sss 1 10 Capacitance Specifications sse 1 11 Temperature Calibration Thermocouple Specifications 1 12 Temperature Calibration RTD 1 13 DC Power Specification Summary eee 1 14 AC Power 45 Hz to 65 Hz Specification Summary PF 1 1 15 Power and Dual Output Limit 1 16 Phase Specifications cccccccccessecssecssecseceeceeceseceeeseeeseeeseeeseneeeaes 1 17 Calculating Power Uncertainty eese 1 18 Additional Specifications 1 19 Frequency Specifications sse 1 20 Harmonics 27440 50 Specifications 1 21 AC Voltage Sine Wave Extended Bandwidth Specifications 1 22 AC Voltage Non Sine Wave 1 23 AC Voltage DC Offset Specifications sss 1 24 AC Voltage Square Wave 1 25 AC Voltage Triangle Wave Characteristics typic
97. DAMAGES OR LOSSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 BD Eindhoven U S A The Netherlands 5 94 CAUTION This is an IEC safety Class 1 product Before using the ground wire in the line cord or rear panel binding post must be connected to an earth ground for safety Interference Information This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in a residential installation Operation is subject to the following two conditions e This device may not cause harmful interfer
98. DC Offset tests the accuracy of the ac output in the presence of a dc offset For this test be sure to ac couple the input to the meter Table 3 37 shows the test points Table 3 37 AC Voltage Accuracy with a DC Offset Nominal Nominal DC Frequency Measured Deviation 90 Day Spec ACV Value V AC NORMAL 3 40 static awareness A Message From Fluke Corporation Some semiconductors and custom IC s can be damaged by electrostatic discharge during handling This notice explains how you can o minimize the chances of destroying such devices 1 Knowing that there is a problem 2 Learning the guidelines for handling them 3 Using the procedures packaging and bench techniques that are recommended The following practices should be followed to minimize damage to S S static sensitive devices LL 3 DISCHARGE PERSONAL STATIC BEFORE HANDLING DEVICES USE A HIGH RESIS 1 MINIMIZE HANDLING TANCE GROUNDING WRIST STRAP 2 KEEP PARTS IN ORIGINAL CONTAINERS UNTIL READY FOR USE 4 HANDLE S S DEVICES BY THE BODY 5 USE STATIC SHIELDING CONTAINERS FOR 8 WHEN REMOVING PLUG IN ASSEMBLIES HANDLING AND TRANSPORT HANDLE ONLY BY NON CONDUCTIVE EDGES AND NEVER TOUCH OPEN EDGE CONNECTOR EXCEPT AT STATIC FREE WORK STATION PLACING SHORTING STRIPS ON EDGE CONNECTOR HELPS PROTECT INSTALLED S S DEVICES 6 DO NOT SLIDE S S DEVICES OVER ANY SURFACE gt 9 HANDLE S S DEVICES
99. DC Voltage Specifications Absolute Uncertainty tcal 5 C Stability Resolution Maximum R of output uV 24 hours 1 put uV uV Burden 90 days ppm output iV Auxiliary Output dual output mode only 2 1 Remote sensing is not provided Output resistance 15 5 for outputs gt 0 33 V The AUX output has an output resistance of 10 2 Two channels of dc voltage output are provided Range Bandwidth 0 1 so 10 Hz prp Bandwidth 10 to 10 kHz rms ppm output uV Auxiliary Output dual output mode only 1 Two channels of dc voltage output are provided 1 1 7 5500A Service Manual 1 6 DC Current Specifications Absolute Uncertainty tcal 5 Resoluti Compliance of output uA Voltage oos so oo 3x mop 43 25 2008 5725A Amplifier _ O _ _ um The actual voltage compliance Vc is a function of current output lo and is given by the formula 5 05 lo 4 67 The highest compliance voltage is limited to 4 5 V Maximum Inductive Load The actual voltage compliance Vc is a function of current output lo and is given by the formula Vc 0 588 10 4 69 The highest compliance voltage is limited to 4 5 V The actual voltage compliance Vc is a function of current output lo and is given by the formula Vc 0 204 10 4 75 The highest compliance volt
100. FLUKE 5500A Multi Product Calibrator Service Manual PN 105798 August 1995 Rev 6 7 06 1995 2006 Fluke Corporation All rights reserved Printed in U S A All product names are trademarks of their respective companies LIMITED WARRANTY amp LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is one year and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves the right to invoic
101. FUNCTION to measure frequency on channel A with auto trigger measurement time set to 1 second or longer impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A 3 Program the Calibrator Mainframe to output 2 1 V at each frequency listed in Table 6 53 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 6 53 Compare to the tolerance column of Table 6 53 Table 6 53 AC Voltage Frequency Verification Calibrator Mainframe PM 6680 Reading Frequency Frequency Tolerance output 2 1 V p p 0 01525 Hz 6 119 Edge Amplitude Verification For the Edge Amplitude verification connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the cable supplied with the Calibrator Mainframe the external 50 2 termination and the BNC f to Double Banana adapter The 50 Q termination is closest to the HP 34584 input 1 For measurements of a 1 kHz signal set the HP 3458A to DCV NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the lower part of the wave form i e baseline For measurements of a 10 kHz signal set the HP 3458A to DCV NPLC 001 LEVEL 1 TRIG LEVEL and the DELAY to 00002 for measuring the topline and the DELAY to 00007 for measuring the baseline 2 Manua
102. Hz to 10 kHz 3 0 to 1 uA 2 0 V rms 500 Hz to 10 kHz 10 pA m 500 Hz to 5 kHz 200 uH zgi 45 to 65 Hz 8 to 100uA 455 y rms 1 5500A Service Manual AC Current Sine Wave Specifications cont Absolute Uncertainty 5 li Max Range Frequency of output uA Resolution waa Inductive 90 days Load 5725A Amplifier 1 1 1 The actual voltage compliance Vc is a function of current output lo and is given by the formula Vc 3 37 lo 3 11 The highest compliance voltage is limited to 3 0 V 2 actual voltage compliance Vc is a function of current output lo and is given by the formula Vc 0 535 10 3 18 The highest compliance voltage is limited to 3 0 V 3 actual voltage compliance Vc is a function of current output lo and is given by the formula Vc 0 176 10 3 19 The highest compliance voltage is limited to 2 8 V Maximum Distortion and Noise Range Frequency 10 Hz to 100 kHz Bandwidth output uA 10 to 20 Hz 0 15 1 0 20 to 45 Hz 0 1 1 0 0 02 to 0 32999 mA 45 Hz to 1 kHz 0 05 1 0 1 to 5 kHz 0 5 1 0 5 to 10 kHz 1 0 1 0 10 to 20 Hz 0 15 1 5 20 to 45 Hz 0 06 1 5 0 33 to 3 2999 mA 45 Hz to 1 kHz 0 02 1 5 1 to 5 kHz 0 5 1 5 5 to 10 kHz 1 2 1 5 10 to 20 Hz 0 15 5 20 to 45 Hz 0 05 5 3 3 to 32 999 mA 45 Hz to 1 kHz 0 07 5 1 to 5 kHz 0 3 5 5 to 10 kHz
103. LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the lower part of the wave form i e baseline Manually lock the HP 3458A to the range that gives the most resolution for the baseline measurements Use this same range for the corresponding baseline measurements at each step Note that in the EDGE function the topline is very near and the baseline is a negative voltage 3 For each calibration step take samples for at least two seconds using the HP 3458A MATH functions to enter the average or mean value See Setup for Square Wave Measurements earlier in this section for more details The true amplitude of the wave form is the difference between the topline and baseline measurements correcting for the load resistance error To make this correction multiply the readings by 0 5 50 Rload Rload where Rload actual feedthrough termination resistance Leveled Sine Wave Amplitude Calibration This procedure uses the following equipment 5790A AC Measurement Standard BNC f to Double Banana Plug Adapter e 50 Q feedthrough termination e BNC cable supplied with the SC300 Refer to Figure 6 20 for the proper connections Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure leveled sine amplitude Then follow these steps to calibrate Leveled Sine Wave amplitude 1 Connect t
104. LLI EE NN AN NENNEN EE NEN MN NNLLA 0 AN __ ______ _____ __ sav 6 125 Leveled Sine Wave Frequency Verification This procedure uses the following equipment PM 6680 Frequency Counter with prescaler for the Channel C input Option PM 9621 PM 9624 or PM 9625 and ovenized timebase Option PM 9690 or PM 9691 BNC f to Type N m adapter BNC cable supplied with the SC300 Refer to Figure 6 21 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Then follow these steps to verify the leveled sine wave amplitude 1 Setthe 6680 s FUNCTION to measure frequency with auto trigger measurement time set to 1 second or longer and 50 Q impedance 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to the PM 6680 at the channel indicated in Table 6 59 You will need the BNC N adapter for the connection to Channel C Set the filter on the PM 6680 as indicated in the table 4 Program the Calibrator Mainframe to output as listed in Table 6 59 Press on the Calibrator Mainframe to activate the output 5 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 6 59 6 97 5500A Service Manual Table 6 59 Leveled Sine Wave Frequency Verification Calibrator Mainframe PM 6680 Settings PM 6680 Reading Tolerance Frequen
105. NC f to Double Banana adapter e 50 Q feedthrough termination e BNC cable supplied with the SC600 For DC voltage verification refer to Figure 6 3 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Volt menu on the display Then follow these steps to verify the wave generator function Verification at 1 MQ For the 1 MQ verification connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the cable and the BNC f to Double Banana adapter Make sure the Calibrator Mainframe impedance is set to 1 MQ The blue softkey under Output toggles the impedance between 50 and 1 1 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 2 Program the Calibrator Mainframe to output the voltage listed in Table 6 19 Press on the Calibrator Mainframe to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each voltage in Table 6 19 4 Compare result to the tolerance column Verification at 50 2 For the 50 Q verification connect the SCOPE connector to the HP 3458A input using the cable and the 50 Q termination connected to the BNC to Banana Plug adapter Make sure the Calibrator Mainframe impedance is set to 50 Q The blue softkey under Output toggles the impedance between 50 and 1 1 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 2 Program the Calibrator Mainframe to output the v
106. ONLY AT A STATIC FREE WORK STATION 10 ONLY ANTI STATIC TYPE SOLDER SUCKERS SHOULD BE USED 11 ONLY GROUNDED TIP SOLDERING IRONS SHOULD BE USED 7 AVOID PLASTIC VINYL AND STYROFOAM IN WORK AREA PORTIONS REPRINTED WITH PERMISSION FROM TEKTRONIX INC AND GERNER DYNAMICS POMONA DIV Dow Chemical Choo Chapter 4 Maintenance Title Page Introduction esr Apc ss Procedures sree Removing Analog Modules eee Removing the Main CPU A9 Removing Rear Panel Assemblies sess Removing the Filter A12 sss Removing the Encoder A2 and Display Removing the Keyboard and Accessing the Output Block Diagnostic Testing rer ere y REPE ete epe reo e Running Diagnostics esses nennen nennen Sequence of Diagnostics Diagnostics Error Messages cc cccscecsseesecseeesseesecssecneeeteseneenes Testing the Front Internal Fuse Replacement sss Complete List of Error Messages 4 1 5500A Service Manual 4 2 4 2 Maintenance 4 Introduction Introduction Because this is a high performance instrument it is not recommended that the user service the boards to t
107. OPE mode with the Marker menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to for each period listed in Table 6 69 l 2 Program the Calibrator Mainframe to the output as listed in Table 6 69 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to the PM 6680 at the channel indicated in Table 6 69 You will need the BNC N adapter for the connection to Channel C Set the filter on the PM 6680 as indicated in the table Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed for the Calibrator Mainframe Invert the PM 6680 s frequency reading to derive the period For example a reading of 1 000006345 kHz has a period of 1 1 000006345 kHz 0 999993655 ms Record the period in the table and compare to the tolerance column 6 107 5500A Service Manual Table 6 69 Time Marker Verification Calibrator PM 6680Settings 1 6680 Reading 6680 Readin Mainframe Channel 9 Period Tolerance Frequency Period o 240 25 po 40688s o 37565 pt 90 095 422 35 095 po 12995 o aomas PO 251 Es o 250628 oo 1288428 o daos 422 880 158 pO fBBE 8s o oms on a 6 133 Wave Generator Verification This procedure uses the following equipment e 5790A AC Measurement Standard e BNC f to Double Banana adapter e 50 feedthrough termination e
108. ORMAL AUX PM 6680A 4 Q SENSE d om057f eps Figure 6 6 AC Voltage Frequency Verification Setup Set the Calibrator Mainframe to SCOPE mode with the Volt menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify AC Voltage frequency 1 Set the PM 6680 s FUNCTION to measure frequency on channel A with auto trigger measurement time set to 1 second or longer 1MQ impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A 3 Program the Calibrator Mainframe to output 2 1 V at each frequency listed in Table 6 23 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 6 23 Compare to the tolerance column of Table 6 23 Table 6 23 AC Voltage Frequency Verification Calibrator Mainframe PM 6680 Reading Frequency Frequency Tolerance output 2 1 V p p 0 0025 Hz 0 025 Hz 10 kHz 6 34 SC600 Option 6 Verification 6 51 Edge Amplitude Verification For the Edge Amplitude verification connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the cable supplied with the Calibrator Mainframe the external 50 2 termination and the BNC f to Double Banana adapter The 50 Q termination is closest to the HP 34584 input 1 For measurements of a 1 kHz signal set the HP 3458A
109. Sine Wave Amplitude Verification This procedure uses the following equipment 5790A AC Measurement Standard BNC f to Double Banana Plug adapter e 50 feedthrough termination BNC cable supplied with the SC600 Refer to Figure 6 17 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify the leveled sine wave amplitude 1 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 500 feedthrough termination then to the 5790A INPUT 2 using the BNC f to Double Banana adapter 2 Set the 57904 to AUTORANGE digital filter mode to FAST restart fine and Hi Res on Program the Calibrator Mainframe to output the voltage listed in Table 6 29 4 Allow the 5790A reading to stabilize then record the 5790A s rms reading for each voltage listed in Table 6 29 5 Multiply the rms reading by the conversion factor of 2 8284 to convert it to the peak to peak value 6 Multiply the peak to peak value by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Compare result to the tolerance column Table 6 29 Leveled Sine Wave Amplitude Verification Calibrator 5790A Reading 5790A Reading x V p p value x Tolerance Mainframe V rms 2 8284 V p p correc
110. V _ 410033V _ 33V Twodgts Twodgts 10 to 500 kHz See AC Voltage Sine Waves Specifications 0 3 to 3 3 V 500 kHz to 1 MHz 8 dB at 1 MHz typical Two digits 1to 2 MHz 32 dB at 2 MHZ typical Auxiliary Output Dual Output Mode 10 to 330 mV 0 01 to 10 Hz 5 0 05 Three digits 0 4 to 3 3 V Two digits eG 10 to 10 kHz See AC Voltage Sine Wave Specifications 1 23 5500A Service Manual 1 22 AC Voltage Non Sine Wave Specifications Triangle Wave amp 1 Year Absolute Uncertainty Truncated Sine teal 5 Maximum Range Frequency of output of range 2 Voltage Resolution Output Range Normal Channel Single Output Mode 2 9 to 92 999 mV 0 01 to 10 Hz Two digits on each range 9310929999 mv 101045 Hz 09310920999 V 45 Hz to 1 KHz Tio 20kH 9 3 to 92 9999 V E an 2010 100 KHz Auxiliary Output Dual Output Mode 93 to 929 999 mV 0 01 to 10 Hz Two digits on each range 10 to 45 Hz 0 93 to 9 29999 V 45 Hz to 1 kHz Six digits on each range Tio 10 kHz To convert p p to rms for triangle wave multiply the p p value by 0 2886751 To convert p p to rms for truncated sine wave multiply the p p value by 0 2165063 Uncertainty is stated in p p Amplitude is verified using an rms responding DMM Uncertainty for truncated sine outputs is typical over this frequency band 1 Year Absolute Uncertainty Square Wave teal 5 R F Maximum ange requency of output of ra
111. acy test verifies the accuracy of dc voltage at the 5500 Calibrator front panel NORMAL terminals Table 3 13 shows the test points Table 3 13 DC Voltage Accuracy Test Range Nominal Value Measured Value Deviation 96 90 Day Spec or 96 NORMAL Fee wee id i mm pm ww emm Fav fowm i ooo amv amv wem ooo few fos ew J foe mv o pee mv me mv mv mv pm pev wv 3 28 DC Voltage Amplitude Accuracy AUX The DC Voltage Amplitude Accuracy test verifies the accuracy of dc voltage at the 5500 Calibrator front panel AUX terminals in the presence of a lower voltage at the NORMAL terminals Table 3 14 shows the test points Table 3 14 DC Voltage Amplitude Accuracy Test Nominal Value Nominal Value Measured Value V Deviation 90 Day Spec NORMAL AUX AUX or mV v Lese aw amv L9 Ev say LL le 3 21 5500A Service Manual 3 29 DC Current Amplitude Accuracy The DC Voltage Amplitude Accuracy test verifies the accuracy of dc current at the 5500 Calibrator front panel AUX terminals See Figure 3 2 and Table 3 4 for test equipment connection instructions Table 3 15 shows the test points Table 3 15 DC Current Amplitude Accuracy Test Value AUX or mA fom
112. age is limited to 4 3 V Bandwidth Bandwidth 0 1 to 10 Hz 10 to 10 kHz rms p p 5725A Amplifier Die TTA E25 ppm of output 200 1 8 Introduction and Specifications Specifications 1 7 Resistance Specifications Absolute Uncertainty tcal 5 C of output 2 Resolution Allowable Q Current 4 50 ato 10999962 oo oos oo oo zomon ite 32999910 oo Som oo oo __20 5 331010999kQ 0007 06 0009 01 25gAto18mA 11032999910 0007 o6 oos 08 or 5 sws o0 e oom 1 2896918 6 59 e 1 2538905m aie 1999090 so oo so 100 morsa hezom sso 00 asosa _ 110 to 330 2 5 nA to 0 06 pA Continuously variable from 0 to 330 MO Applies for COMP OFF to the 5500A Calibrator front panel NORMAL terminals and 2 wire and 4 wire compensation The floor adder is improved to 0 006 0 to 10 99 Q range and 0 010 11 to 329 999 Q if the 5500A Calibrator is zeroed ohms zero or instrument zero within 8 hours and temperature is 1 of zeroing ambient temperature Do not exceed the largest current for each range For currents lower than shown the floor adder increases by Floor new Floor old x Imin lactual For example a 100 uA stimulus measuring 100 Q has a floor uncertainty of 0 01 x 1 mA 100 uA 0 1 Q 1 This 15 for the largest resistanc
113. ails The true amplitude of the wave form is the difference between the topline and baseline measurements correcting for the load resistance error To make this correction multiply the readings by 0 5 50 Rload Rload where Rload actual feedthrough termination resistance if used Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the reading insuring proper multiplier i e m u n p If the warning still occurs repair may be necessary 6 106 6 107 SC300 Option 6 Calibration and Verification of Square Wave Functions 5 Repeat step 4 until the Calibrator Mainframe display indicates that WAVEGEN CAL is the next step Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants Edge Amplitude Calibration This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter BNC f to Double Banana adapter e BNC cable supplied with the SC300 e 50 feedthrough termination Refer to Figure 6 19 for the proper setup connections Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure fast edge amplitude Then follow these steps to calibrate edge amplitude 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BNC cable and the BNC f to Double Banana 2 Set the HP 3458A to NPLC 01
114. al 1 26 AC Current Sine Wave Extended Bandwidth Specifications 1 27 AC Current Non Sinewave Specifications 1 28 AC Current Square Wave Characteristics typical 1 29 AC Current Triangle Wave Characteristics typical 2 Theory of Operation oreet ertt nta ae EE pax an E E REA n RR ARS 2 l Introductionis aues noi m 2 2 Encoder Assembly A2 ener 5500A Service Manual 2 3 Synthesized Impedance Assembly 5 2 4 DDS Assembly ee dad cie tA 2 5 Current Assembly A7 eene 2 6 Voltage Assembly 8 0 44 1 00 0 0 4 3 3 0000 2 7 Main CPU Assembly A9 nennen 2 8 Power Supplies eese chr tate repel e etas Te MS 2 9 Outguard Supplies siirinsesi ai nennen 2 10 Inguard S pplies 2 dee ter tette etse 3 Calibration and 3 1 IntrOQUCtlOT eee deste PH ertet 3 2 eie Dena 3 3 Equipment Required for Calibration and Verification 3 4 Starting Calibration tete titre tiet retinet ae eoe rena do 3 5 How the Calibration Procedure 3 6 Em 3 7 AC Volts 3 8 Therm
115. alibration sse 6 81 6 107 Leveled Sine Wave Amplitude Calibration esses 6 81 6 108 Leveled Sine Wave Flatness Calibration 6 82 6 109 Low Frequency 00 0 0 6 83 6 110 High Frequency Calibration eese 6 83 6 111 WernfiCatiODs ceteri tee ere eh Rat re NS 6 84 6 112 DC Voltage Verification essere 6 84 6 113 Verification at 1 MQ nennen 6 84 6 114 Verification at 50 Q sees 45 6 84 6 115 AC Voltage Amplitude Verification esse 6 87 6 116 Verification at I E a a a 6 87 6 117 Verification 50 2 trend 6 89 6 65 5500A Service Manual 6 66 6 118 6 119 6 120 6 121 6 122 6 123 6 124 6 125 6 126 6 127 6 128 6 129 6 130 6 131 6 132 6 133 6 134 6 135 6 136 6 137 6 138 6 139 6 140 6 141 6 142 6 143 6 144 6 145 6 146 6 147 6 148 6 149 6 150 6 151 6 152 6 153 6 154 6 155 6 156 AC Voltage Frequency Verification esses Edge Amplitude Verification sese Edge Frequency Verification essssssssesseeeeeee Edge Duty Cycle Verification sse Edge Rise Time 1 Edge Abberation Verification
116. alibrator Mainframe disconnect the 50 resistance and connect the 1MQ resistance to the end of the BNC cable 5 Press the GO ON blue softkey 6 Enter the actual IMQ resistance When prompted for the first reference capacitor by the Calibrator Mainframe disconnect the 1 resistance and leave nothing attached to the end of the BNC cable Press the GO ON blue softkey 9 Enter 0 10 When prompted for the second reference capacitor by the Calibrator Mainframe connect the 50 pF capacitance to the end of the BNC cable 11 Press the GO ON blue softkey 12 Enter the actual 50 pF capacitance 6 27 5500A Service Manual 13 The Calibrator Mainframe will prompt that the calibration is complete Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants 6 43 Verification of the Oscilloscope Calibration functions should be verified at least once per year or each time the SC600 is calibrated The verification procedures in this section provide traceable results however the factory uses different procedures and instruments of higher precision than those described here The procedures in this manual have been developed to provide users the ability to verify the SC600 at their own site if they are required to do so Fluke strongly recommends that if possible you return your unit to Fluke for calibration and verification equipment specified for SC600 verification must be calibrated cer
117. ame PM 6680 Reading Output MeasZ Resistance Verification The MeasZ resistance function is verified by measuring resistors of known values The measurement value is then compared to the resistor actual value 6 71 The resistors must make a solid connection to a BNC f to enable a connection to the end of the BNC cable supplied with the SC600 The resistance values must be known at this BNC f connector Fluke uses an HP 3458A DMM to make a 4 wire ohms measurement at the BNC f connector to determine the actual resistance values This procedure uses the following equipment e Resistors of known values 1 5 MQ 1 MQ 60 Q 50 Q 40 nominal e adapters to connect resistors to BNC f connector e BNC cable supplied with the SC600 Refer to Figure 6 17 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the MeasZ menu on the display Then follow these steps to verify the MeasZ resistance function 1 Set the Calibrator Mainframe MeasZ resistance range as indicated in Table 6 45 The blue softkey under MEASURE toggles the MeasZ ranges 6 57 5500A Service Manual 2 Using the BNC cable connect the SCOPE connector to the BNC f connector attached to the nominal resistance values indicated in Table 6 45 The 600 nominal value can be achieved by connecting the 1 5 and 1 resistors parallel 3 Allow the Calibrator Mainframe reading to stabilize then record the Calibrator Mainfram
118. ame front panel keypad then press ENTER 6 21 5500A Service Manual 6 22 6 35 6 36 Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the reading insuring proper multiplier i e m u n p If the warning still occurs repair may be necessary 3 Repeat step 2 until the Calibrator Mainframe display indicates that the next steps calibrate WAVEGEN Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants Wave Generator Calibration This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter BNC cable supplied with the SC600 Within the calibration menu press the OPTIONS and NEXT SECTION blue softkeys until the display reads WAVEGEN Cal Then follow these steps to calibrate the Wave Generator 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BNC cable and the BNC f to Double Banana adapter 2 Set the HP 3458A to DCV NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the lower part of the wave form i e baseline Manually range lock the HP 3458A to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at
119. amples show the first few lines of calibration shifts and calibration constants reports in both printout and spreadsheet formats The 90 day specification 15 shown in these examples because a 90 day interval was selected in the REPORT SETUP 3 18 menu 3 21 Calibration Shifts Report Printout Format FLUKE CORPORATION 5500A OUTPUT SHIFTS ACTIVE VS STORED 5500A S N 0 Report string Cal dates Active 0 Stored 0 Old 0 DC Voltage DCV RANGE AND VALUE OUTPUT SHIFT 90 DAY SPEC OF SPEC DC330MV 329 9999 mV 0 000 uV 0 00000 0 00591 0 0 DC330MV 329 9999 mV 0 000 uV 0 00000 0 00591 0 0 DC3 3V 43 299999 V 0 00000 mV 0 00000 0 00420 0 0 DC3 3V 3 299999 V 0 00000 mV 0 00000 0 00420 0 0 DC33V 32 99999 V 0 0000 mV 0 00000 0 00400 0 0 DC33V 32 99999 V 0 0000 mV 0 00000 0 00400 0 0 DC330V 329 9999 V 0 000 mV 0 00000 NO SPEC ferie DC330V 30 0000 V 0 000 mV 0 00000 0 01000 0 0 DC330V 30 0000 V 0 000 mV 0 00000 0 01000 0 0 DC330V 329 9999 V 0 000 mV 0 00000 NO SPEC gere DC1000V 1000 000 V 0 00 mV 0 00000 NO SPEC irem DC1000V 100 000 V 0 00 mV 0 00000 NO SPEC DC1000V 100 000 V 0 00 mV 0 00000 NO SPEC DC1000V 1000 000 V 0 00 mV 0 00000 NO SPEC RANGE AND DC330MV S DC330MV S VALUE 329 999 mV 329 999 mV continued 0 0 OUTPUT SHIFT 00 00 uv uv 0 0 00000 00000 90 DAY SPEC 0 13610 0 13610
120. and Verification 6 99 Equipment Required for Calibration and Verification Table 6 47 lists the equipment recommended models and minimum specifications required for each calibration and verification procedure Table 6 47 SC300 Calibration and Verification Equipment Wave Generator Edge Amplitude Calibration AC Voltage Verification Digital HP 3458A Multimeter Voltage 1 8 mV to 105 V p p Uncertainty 0 06 4 5 mV to 2 75 V p p Uncertainty 0 06 Pomona 1269 BNC f to Double Banana Plug Termination Feedthrough 50 196 used with Edge Amplitude Calibration and AC Voltage Verification BNC Cable supplied with SC300 Edge Rise Time and Aberrations Verification High Tektronix 11801 with Frequency 2 GHz Frequency Tektronix SD 22 26 Digital Storage sampling head or Oscilloscope Tektronix TDS 820 with 8 GHz bandwidth 4 5 mV to 2 75 V Attenuator Weinschel 9 10 SMA 10 dB 3 5 mm m f or Weinschel 18W 10 or equivalent BNC Cable supplied with SC300 Leveled Sine Wave Amplitude Calibration and Verification AC Fluke 5790A Range 5 mV p p to 5 5 V p p Measurement Adapter Pomona 1269 BNC f to Double Banana Plug BNC Cable supplied with SC300 DC and AC Voltage Calibration and Verification DC Voltage Verification Digital HP 3458A Multimeter Pomona 1269 BNC f to Double Banana Plug BNC Cable supplied wih sc300 6 75 5500A Service Manual Table 6 41 SC300 Calibration and Verificat
121. ation option you can use the 5500A Calibrator to calibrate analog and digital oscilloscopes Specifications for the standard 5500A are provided at the end of this chapter Specifications for the Oscilloscope Option are in Chapter 6 AA Warning If the 5500A Calibrator is operated in any way not specified by the 5500A Operators Manual or other documentation provided by Fluke protection provided by the 5500A may be impaired The 5500A Calibrator is a fully programmable precision source of the following DC voltage from 0 V to 1020 V AC voltage from 1 mV to 1020 V with output from 10 Hz to 500 kHz e AC current from 0 01 uA to 11 0 A with output from 10 Hz to 10 kHz DC current from 0 to 11 0 e Resistance values from a short circuit to 330 e Capacitance values from 330 pF to 1100 UF Simulated output for three types of Resistance Temperature Detectors RTDs Simulated output for nine types of thermocouples Features of the 5500A Calibrator include the following e Automatic meter error calculation using a simple output adjust knob e Keys that multiply and divide the output value by 10 to simplify work on meters with calibration points at decade multiples e Programmable entry limits to restrict levels that may be keyed into the 55004 to prevent calling up a level that may be harmful to equipment or personnel e Simultaneous output of voltage and current up to 11 kW e Simultaneous output of two
122. ay adjust the pulse width to as close to 4 ns as possible using the Calibrator Mainframe front panel knob then press the GO ON blue softkey 7 Allow the DSO width reading to stabilize Enter the reading via the Calibrator Mainframe front panel keypad then press ENTER Note The Calibrator Mainframe issues a warning when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the reading with the proper multiplier i e m u n p If the warning still occurs enter a value between the displayed pulse width and the previously entered value Keep attempting this moving closer and closer to the displayed pulse width until the value is accepted Complete the pulse width calibration procedure The pulse width calibration procedure must now be repeated until all entered values are accepted the first time without warning 8 Repeat steps 5 to 7 until the Calibrator Mainframe display prompts to connect a resistor Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants MeasZ Calibration The MeasZ function is calibrated using resistors and a capacitor of known values The actual resistance and capacitance values are entered while they are being measure by the Calibrator Mainframe The resistors and capacitor must make a solid connection to a BNC f to enable a connection to the end of the BNC cable supplied with the SC600 The resistance and capacitance values m
123. based on the root sum square rss of the individual uncertainties in percent for the selected voltage current and power factor parameters Watts uncertainty Upower voltage U current U PFadder VARs uncertainty 2 U vARsadder Because there are an infinite number of combinations you should calculate the actual ac power uncertainty for your selected parameters The method of calculation is best shown in the following examples using 90 day specifications Example 1 Output 100 V 1 A 60 Hz Power Factor 1 0 0 Voltage Uncertainty Uncertainty for 100 V at 60 Hz is 0 04 96 6 6 mV totaling 100 V x 0004 40 mV added to 6 6 mV 46 6 mV Expressed in percent 46 6 mV 100 V x 100 0 047 see AC Voltage Sine Wave Specifications Current Uncertainty Uncertainty for 1 A is 0 08 300 pA totaling 1 A x 0008 800 uA added to 300 uA 1 1 mA Expressed in percent 1 1 mA 1 A x 100 0 11 see AC Current Sine Waves Specifications PF Adder Watts Adder for PF 1 0 at 60 Hz is 0 see Phase Specifications Total Watts Output Uncertainty Upower 40 047 0 11 0 0 12 Example 2 Output 100 V 1 A 400 Hz Power Factor 0 5 60 Voltage Uncertainty Uncertainty for 100 V at 400 Hz is 0 04 96 6 6 mV totaling 100 V x 0004 40 mV added to 6 6 mV 46 6 mV Expressed in percent 46 6 mV 100 V x 100 0 047 see AC Voltage Sine Wave
124. bration Setup Table 6 41 SC300 Calibration and Verification Equipment cont instrument Modei Minimum Use Specifications Leveled Sine Wave Frequency Time Marker Verification Frequency PM 6680 with option 2 ns to 5 s 50 kHz to 500 MHz lt 1 6 ppm uncertainty Counter PM 9621 PM 9624 or PM 9625 and PM 9678 Pomona 3288 BNC f to Type BNC Cable suppiedwih soso Wave Generator Verification AC Fluke 5790A Range 1 8 mV p p to 55 V p p Measurement Standard 10 Hz to 100 kHz Pomona 1269 BNC f to Double Banana BNC Gable upledwihSoso ooo O 6 100 SC300 Calibration Setup The procedures in this manual have been developed to provide users the ability to calibrate the SC300 at their own site 1f they are required to do so It is strongly recommended that 1f possible you return your unit to Fluke for calibration and verification The unit should be returned with its cable The Calibrator Mainframe must be fully calibrated prior to performing any of the SC300 calibration procedures The hardware adjustments are intended to be one time adjustments performed in the factory however adjustment may be required after repair Hardware adjustments must be performed prior to calibration Calibration must be performed after any hardware adjustments See Hardware Adjustments in this chapter The AC Square Wave Voltage function is dependent on the DC Voltage function Calibration of the AC Voltage function i
125. cables esp TC ee 8 1 2 8 4 2 digit DMM DMM HP HP3458A DC volts resistance volts resistance 100 mV dc source Fluke 5500A 5700A 5440B or Source for thermocouple 5100B measurements characterize w the DMM if Phase Meter Meter Clake Hess6000 Hess 6000 LCR Meter Fluke PM6304C with PM9540 BAN Capacitance lead set CounterTimer imer Fluke PM6666 PM6666 Frequency AC Measurement Standard Fluke 5790A ACV and ACI w shunts Current Shunt Adapter Fluke 792A 7004 Assures compatibility ELT A40 shunts AC Shunts Fluke A40 10 mA 30 mA 300 mA 3 A and A40A 10 Interconnect cable for A40A Fluke A45 4004 Cable CableadapterforA40A for A40A Precision metal film resistors 1 1 100 ppm C or better Current shunt for 330 uA Determine value w the DMM 3 4 Starting Calibration From the front panel you start calibration by pressing the key followed by the CAL softkey twice then 55004 CAL The CALIBRATION SWITCH on the 5500A rear panel can be in either position when you begin calibration It must be set for ENABLE to store the correction factors into nonvolatile memory 3 5 How the Calibration Procedure Works The calibration procedure is self prompting with a chance to ABORT and DISCARD any changes after each function 15 calibrated After you press the 5500A CAL softkey the procedure works as follows 1 The 5500A automatically programs the outputs listed i
126. cation at 1 Calibrator Mainframe HP 3458A Topline Baseline Output Range Reading Reading Peak to Peak Tolerance V 1 kHz or as noted 1 0 000041 1 0 000041 10 0 00005 10 mV 0 00005 25 0 000065 25 mV 0 000065 110 0 00015 110 mV 0 00015 500 mV 0 00054 500 mV 0 00054 2 2V 0 00224 11V 11 V 130V 130V 200 100 2 1 200 1 kHz 200 5 2 200 mV 10 kHz 2 2 V 100 Hz 2 2 V 5 kHz 2 2 V 10 kHz 0 01104 0 01104 0 13004 0 13004 0 00024 0 00024 0 00054 0 00054 0 00224 0 00554 0 00554 227 oo 6 32 SC600 Option 6 Verification 6 49 Verification at 50 2 For the 50 Q verification connect the Calibrator Mainframe s SCOPE connector to the HP 34584 input using the cable supplied with the Calibrator Mainframe the external 50 termination and the BNC f to Double Banana adapter The 50 termination 15 closest to the HP 34584 Connect the Calibrator Mainframe TRIG OUT connector to the HP 3458A Ext Trig connector located on the rear of that instrument Make sure the Calibrator Mainframe impedance is set to 50 Q The blue softkey under Output toggles the impedance between 50 and 1 Proceed with the following steps 1 Set the HP 3458A to DCV NPLC 01 TRIG EXT and the DELAY to 0007 for measuring the topline of the wave form and the DELAY to 0012 for measuring the baseline of the wa
127. ccuracy of the synthesized capacitance output at the 5500A Calibrator front panel AUX terminals Table 3 21 shows the test points Use the Fluke 6304C LCR Meter with PM9540 BAN output cable as shown in Figure 3 5 This cable eliminates the need for a four wire connection Note Make sure there are no other connections to the 55004 especially the SCOPE BNC Connecting any additional grounds to the 5500A can cause erroneous capacitance outputs To overcome a noise problem increase the meter signal current by increasing the voltage or frequency 3 29 5500A Service Manual Table 3 21 Capacitance Accuracy Test Nominal Value LCR Stimulus Measured Deviation 90 Day Spec Frequency Value F 96 NORMAL 3 30 Calibration and Verification 3 Performance Verification Tests 3 36 Thermocouple Measurement Accuracy The Thermocouple Measurement Accuracy test checks the internal temperature reference To perform this test measure a lag bath temperature within 2 of the 5500A Set the 55004 to Internal Reference J thermocouple type Make connections with J type thermocouple wire as shown in Figure 3 1 Table 3 22 shows the test points Table 3 22 Thermocouple Measurement Accuracy Test Nominal Value C 5500A Reads C 90 Day Spec C 3 37 Thermocouple Sourcing Accuracy The Thermocouple Sourcing Accuracy test checks the accuracy of the thermocouple measuring circuitry For this test measure the dc output at the
128. ce for Telecommunication Permits BZT The right to retest this equipment to verify compliance with the regulation was given to the BZT Bescheinigung des Herstellers Importeurs Hiermit wird bescheinigt dap die Fluke Model 5500A in bereinstimmung mit den Bestimmungen der BMPT AmtsbIVfg 243 1991 funk entst rt sind Der vorschriftsmaBige Betrieb mancher Ger te z B Mef3sender kann allerdings gewissen Einschr nkungen unterliegen Beachten Sie deshalb die Hinweise in der Bedienungsanleitung Dem Bundesamt f r Zulassungen in der Telecommunikation wurde das Inverkehrbringen dieses Ger tes angezeigt und die Berechtigung zur berpr fung der Serie auf Einhaltung der Bestimmungen einger umt Fluke Corporation SAFETY TERMS IN THIS MANUAL This instrument has been designed and tested in accordance with IEC publication 1010 1 1992 1 Safety Requirements for Electrical Measuring Control and Laboratory Equipment and ANSI ISA 582 01 1994 and CAN CSA C22 2 No 1010 1 92 This User Manual contains information warning and cautions that must be followed to ensure safe operation and to maintain the instrument in a safe condition Use of this equipment in a manner not specified herein may impair the protection provided by the equipment This instrument is designed for IEC 1010 1 Installation Category II use It is not designed for connection to circuits rated over 4800 VA WARNING statements identify conditions or practices that could result in
129. corrected rms reading via the Calibrator Mainframe front panel keypad then press ENTER Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and calculation and carefully re enter the corrected rms reading insuring proper multiplier i e m u n p If the warning still occurs repair may be necessary Repeat step 5 until the Calibrator Mainframe display indicates that the next steps calibrate Leveled Sine flatness Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants 6 23 5500A Service Manual 6 24 E 8 E83 59 9 2 CJ OOO OOO OOO OO POD BE 6 38 6 39 om034f eps Figure 6 4 Connecting the Calibrator Mainframe to the 5790A AC Measurement Standard Leveled Sine Wave Flatness Calibration Leveled Sine Wave flatness calibration is divided into two frequency bands 50 kHz to 10 MHz low frequency and gt 10 MHz to 600 MHz high frequency The equipment setups are different for each band Flatness calibration of the low frequency band is made relative to 50 kHz Flatness calibration of the high frequency band is made relative to 10 MHz Leveled Sine Wave flatness is calibrated at multiple amplitudes Both lo
130. cts are relay and resistor network Z5 1026 DDE FR A6 1000V sense buffer fault Assuming previous 46 sense buffer tests passed the suspect is U60 1027 DDE FR A6 trim DAC 0 3 3V fault Suspects include U17 U4 U25 U42 R3 R45 R51 R50 R22 and C133 on the assembly 1028 DDE FR A6 trim DAC 0 33V fault Suspects include U17 U4 U25 142 R3 R45 R51 R50 R22 and C133 on the assembly 1029 DDE FR A6 trim DAC 1 fault Suspects include U18 U34 R131 R142 R143 and C126 on the A6 assembly 1030 DDE FR A8 33V DC offset fault The primary suspect IC is U1 on the A8 assembly 1031 DDE FR A8 330V AC low F fault Suspects include transformer T3 U16 and U13 1032 DDE FR A8 330V AC high F fault Suspects include transformer T2 and U4 1033 DDE FR A8 330V DC fault Suspects include CR4 through 6 CR16 CR19 CR20 C2 and C24 on the A8 assembly 1034 DDE FR A8 1000V AC low F fault Suspects include transformer T3 U16 and U13 on the A8 assembly 1035 DDE FR A8 1000V AC high F fault Suspects include transformer T2 and U4 on the A8 assembly 1036 DDE FR A8 1000V DC fault Suspects include CR4 through 6 CR16 CR19 CR20 C2 and C24 on the A8 assembly 5500A Service Manual 1040 DDE FR 5 interface fault Is the A5 assembly installed If so suspect circuitry includes A5 digital ICs U14 U12 or CMOS switch U7 relay K15 and driver IC U15 1041 DDE FR A5 X1 in
131. cy output 5 5 V p p Channel Filter Frequency 50 kHz PEDE mee mom 6 126 Leveled Sine Wave Harmonics Verification This procedure uses the following equipment e Hewlett Packard 8590A Spectrum Analyzer e BNC f to Type N m adapter BNC cable supplied with the SC300 Refer to Figure 6 24 for proper setup connections HP 8590 5500A SC300 FLUKE 5500A CALIBRATOR SCOPE NORMAL AUX S207 RTD AUX V BNC F to Type N M Adapter om066f eps Figure 6 24 Leveled Sine Wave Harmonics Verification Setup Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Then follow these steps to verify the leveled sine wave harmonics 1 Using the BNC cable and BNC f to Type N m adapter connect the SCOPE connector on the Calibrator Mainframe to the HP 8590A 2 Program the Calibrator Mainframe to 5 5 V p p at each frequency listed in Table 6 60 Press on the Calibrator Mainframe to activate the output 6 98 SC300 Option 6 Verification 3 Set HP 8590A start frequency to the Calibrator Mainframe output frequency Set HP 8590A stop frequency to 10 times the Calibrator Mainframe output frequency Set the HP 8590A reference level at 19 dBm 4 Record the harmonic level reading for each frequency and harmonic listed in Table 6 60 For harmonics 3 4 and 5 record the highest harmonic level of the three measured Harmonics sh
132. d where Rload the actual feedthrough termination resistance to correct for the resistance error Compare the result to the tolerance column Table 6 52 AC Voltage Verification at 50 p p p p mV mV Lom sw wmm wm om sw swe o sw ww C wow o NC NN www ww o mw ww wem em wm wm os mom mm mew oe mew ww mom eme E e ew ww 6 89 5500A Service Manual Table 6 46 AC Voltage Verification at 50 cont Nominal Value Frequency Measured Value Deviation 1 Year Spec mV mV 6 118 AC Voltage Frequency Verification Refer to Figure 6 21 for the proper setup connections This procedure uses the following equipment PM 6680 Frequency Counter with an TCXO timebase Option PM 9678 or equivalent BNC cable supplied with the SC300 5500A SC300 SC300 Cable Greater than 50 MHz PM 6680A om063f eps Figure 6 21 Frequency Verification Setup Set the Calibrator Mainframe to SCOPE mode with the Volt menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify ac voltage frequency 6 90 SC300 Option 6 Verification 1 Setthe 6680 s
133. d overshoot aberrations are the same amplitude as the first aberration 4 Adjust A90R 12 to set the edge signal occurring between 2 ns and 10 ns to the reference level set above 5 Readjust A90R36 and A90R35 to obtain equal amplitudes for the first second and third aberrations 6 Adjust A90R 13 to set the edge signal occurring between 0 ns and 2 ns to the reference point set above Center any aberrations so the peaks are equal above and below the reference level 7 Readjust A90R 12 if necessary to keep the edge signal occurring between 2 ns 10 ns at the reference level 8 Readjust A90R 13 if necessary to keep the edge signal occurring between 0 ns and 2 ns at the reference level 9 Setthe UUT output to 250 mV and the oscilloscope vertical to 2 mV div Check the aberrations 10 Connect the 10 dB attenuator to the oscilloscope input Connect the UUT to the attenuator and program the UUT output to 2 5 V 6 63 5500A Service Manual 11 Set the oscilloscope vertical to 5 mV div Check the aberrations 12 Check for rise time 300 ps at 250 mV 1 V and 2 5 V outputs 1st Aberration 2nd Aberration 3rd Aberration R36 R12 4 R13 R35 om050f eps Figure 6 17 Adjusting Edge Aberrations 6 64 Chapter 6 SC300 Option Title Page 6 83 Introduction iter tete e e iden exi 6 67 6 84 Maintenance HEREDI 6 67 6 85 SC300
134. e 2 Change the time div on the 11801B to 20 ns div Slowly adjust pot R168 and observe its effect on the waveform the left half of the wave peak will move up and down as you turn R168 Adjust R168 until the center of the wave peak is half of a division above the center line as shown in Figure 6 33 4 Change the time div on the 11801B to 5 ns div 5 Slowly adjust R57 It will affect the first 50 ns of the wave form Adjust R57 so the rising edge falls back and crosses the horizontal center line one division before the vertical center Refer to Figure 6 34 The base of the aberration should be 10 ns apart 6 Change the time div on the 11801B to 2 ns div Adjust R16 until the rising edge ledge reaches the center line Refer to Figure 6 35 8 Return to 5 ns div and verify that the pattern shown in Figure 6 34 still exists Repeat the adjustment in step 5 if necessary 9 At this point in the adjustment each graticule line on the oscilloscope represents 1 aberration Typically this board shows aberrations of 0 5 within the first 10 ns and aberrations of 0 25 during the following 10 30 ns 6 118 SC300 Option SC300 Hardware Adjustments for the A4 Board Waveform moves as 168 is adjusted ae R168 Adjusted waveform Figure 6 33 Adjusting the Wave Peak Center with R168 om039f eps R57 Figure 6 34 Ad
135. e 109V mange 250V 6 55 5500A Service Manual 6 56 6 69 Pulse Width Verification The following equipment is used to verify the pulse width High Frequency Digital Storage Oscilloscope Tektronix 11801 with Tektronix SD 22 26 sampling head e 3 dB attenuator 3 5 mm m f e BNC f to 3 5 mm m adapter 2 BNC cable supplied with the SC600 e second BNC cable Refer to Figure 6 7 for proper setup connections Connect the BNC cable supplied with the SC600 to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to one BNC f to 3 5 mm m adapter then to the DSO s sampling head through the 3 dB attenuator Using the second BNC f to 3 5 mm m adapter and BNC cable connect the Calibrator Mainframe s TRIG OUT connector to the 11801 s Trigger Input The Calibrator Mainframe should be in SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Press the softkey under TRIG to select the TRIG 1 External Trigger output Set the DSO to these parameters Digital Storage Oscilloscope Setup Main Time Base position initial 40 ns Vertical scale 200 mV div Trigger Source ext level 0 5 V ext atten x10 slope mode auto Measurement Function positive width 1 Program the Calibrator Mainframe to output the pulse width and period at 2 5 V as listed in Table 6 43 2 Change the horizontal scale of the DSO
136. e 6 25 Connecting the Calibrator Mainframe to the 5790A AC Measurement Standard 6 129 6 100 Equipment Setup for High Frequency Flatness high frequency flatness procedures use the following equipment e Hewlett Packard E4418A Power Meter e Hewlett Packard 8482A and 8481D Power Sensors BNC f to Type N f adapter e BNC cable supplied with the Calibrator Mainframe Note When high frequencies at voltages below 63 mV p p are verified use the 8481D Power Sensor Otherwise use the 8482 Power Sensor SC300 Option 6 Verification Connect the HP E4418A Power Meter to either the 8482A or the 8481D Power Sensor as shown in Figure 6 26 For more information on connecting the two instruments see the power meter and power sensor operators manuals Connect the power meter power sensor combination to the SCOPE connector on the Calibrator Mainframe as shown in Figure 6 27 The Hewlett Packard E4418A Power Meter must be configured by setting the parameters listed below Zero and self calibrate the power meter with the power sensor being used Refer to the Hewlett Packard E4418A operators manual for details PRESET RESOLN3 e AUTO FILTER e WATTS e SENSOR TABLE 0 default OMOSbf eps Figure 6 26 Connecting the HP E4418A Power Meter to the HP 8482A or 8481D Power Sensor
137. e Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Fluke authorized service center Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL
138. e HP 34584 to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at each step 2 Measure the topline first For each measurement take samples for at least two seconds using the HP 3458A MATH functions to determine the average or mean value See Setup Square Wave Measurements earlier in this section for more details 3 Measure the baseline of each output after the corresponding topline measurement The peak to peak value is the difference between the topline and baseline measurements Compare the result to the tolerance 1 year spec column 4 When making measurements at the other frequencies set up the HP 3458A NPLC and topline and baseline DELA Y per Table 6 48 6 87 5500A Service Manual Table 6 51 AC Voltage Verification at 1 o sw wee 9 sew sw sew ee sew see O o oo sew owe o wem owe oo mom o 5 mom 3 o xem wwe o o xem owe o 99 __ wem o wem owe wem ww o xem ww 99 eom we f 99 em wwe 99 owe 9 wem om Ee a wx 9 100Hz 26 1 0 ev 1 kHz 2 60 a 2 ___ 510 10 NND E d o oe
139. e __ supplied wth sceo O 00S O 5500A Service Manual Table 6 15 SC600 Calibration and Verification Equipment cont Pulse Width Calibration and Verification High Frequency Digital Tektronix 11801 with Tektronix SD Storage Oscilloscope 22 26 sampling head Adapter 2 BNC f to 3 5 mm m Leveled Sine Wave Frequency Verification Frequency PM 6680 with option PM 9621 PM 9624 50 kHz to 600 MHz 0 15 ppm Counter or PM 9625 and PM 9690 or PM 9691 uncertainty Adapter Pomona 3288 BNC f to Type N m Leveled Sine Wave Flatness Low Frequency Calibration and Verification AC Measurement 5 mV p p to 5 5 V p p Standard with 03 option 50 kHz to 10 MHz Adapter BNC f to N m Leveled Sine Wave Harmonics Verification Spectrum Analyzer Adapter BNC f to Type N m Pulse Period Edge Frequency AC Voltage Frequency Verification Frequency Counter PM 6680 with option PM 20 ms to 150 ns 10 Hz to 10 MHz 0 15 ppm 9690 or PM 9691 uncertainty BNC Cable supplied with SC600 Edge Duty Cycle Frequency Counter PM 6680 BNC Cable supplied with sceo Cd Overload Functional Verification Termination _ Feedthrough 50 Q 1 BNC Cable Gupiedwmsce Cd MeasZ Resistance Capacitance Verification 1 MQ and 50 nominal values Capacitors 50 pF nominal value at the end of BNC f connector Adapters to connect resistors and capacitors to BNC f connector BNC Cable supplied wih soso ooo O
140. e for each range The maximum voltage for other values is Imax highest value of Allowable Current above multiplied by Rout 2 Maximum lead resistance for no additional error in 2 wire COMP 1 1 9 5500A Service Manual 1 8 AC Voltage Sine Wave Specifications Absolute Uncertainty tcal 5 C Max 9 i Range Frequency of output uV Resolution B rden 90 days 1 year Q 10 50ki 09 1 o amo oz 002 eo oo 60 020z 006 so oo so 600 ooa 600 __ i313299v 10 20 2600 0 08 2600 100 5 mA excep 83032999V oo 15 00 15 20 mA for oook oor ss oo 39 45 to 65 Hz 2 mA except 330 to 1020 V 6 mA for 45 to 65 Hz Introduction and Specifications Specifications AC Voltage Sine Wave Specifications cont Absolute Uncertainty tcal 5 C Maxi Range Frequency of output uV Resolution ehe Burden 90 days 5725A Amplifier 15 Hzto oma 1to20kHz 0 06 100 100 70 mA 20 to 30 KHz 100 mV 100 100 to 750 V 30 to 100 kHz 500 mV 500 mV Auxiliary Output dual output mode only 2 10 to 329 999 tav 5m Remote sensing is not provided Output resistance is lt 5 for outputs gt 0 33 V The AUX output resistance is lt 1 The maximum load capacitance is 500 pF subject to the maxim
141. e must now be calibrated Continue with the next section AC Square Wave Voltage Calibration This procedure uses the same equipment and setup as DC Voltage calibration but requires different settings on the HP 3458 See Calibration and Verification of Square Wave Functions earlier in this section for technical details on the procedure DC voltages are measured and entered in the Calibrator Mainframe to calibrate the AC Voltage function Set up the Calibrator Mainframe to Cal ACV Press OPTIONS and NEXT SECTION blue softkeys until the display reads next steps calibrate SC300 Then follow these steps to calibrate ac voltage l 2 Press the GO ON blue softkey Connect the Calibrator Mainframe s SCOPE connector to the HP 3458 input using the BNC cable and the BNC f to Double Banana adapter Set the HP 3458A to NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form 1 topline and the DELAY to 0007 for measuring the lower part of the wave form i e baseline Manually range lock the HP 34584 to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at each step For each calibration step take samples for at least two seconds using the HP 3458A MATH functions to retrieve the average or mean value See Setup for Square Wave Measurements earlier in this chapter for more det
142. e resistance reading for each nominal value listed in Table 6 45 Compare the Calibrator Mainframe resistance readings to the actual resistance values and the tolerance column of Table 6 45 Table 6 45 MeasZ Resistance Verification Calibrator Nominal Calibrator Actual Mainframe Resistance Mainframe Resistance Tolerance MeasZ Resistance Range Reading 6 72 MeasZ Capacitance Verification The MeasZ capacitance function is verified by measuring capacitors of known values The measurement value is then compared to the capacitor actual value The capacitors must make a solid connection to a BNC f to enable a connection to the end of the BNC cable supplied with the SC600 Due to the small capacitance values care must be taken to know the actual capacitance at this BNC f connector The capacitance values must be determined at a 10 MHz oscillator frequency Fluke uses an HP 4192A Impedance Analyzer at 10 MHz to determine the actual capacitance values This procedure uses the following equipment e Adapters and capacitors to achieve 5 pF 29 pF 49 pF nominal values at the end of BNC f connector BNC cable supplied with the SC600 Refer to Figure 6 17 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the MeasZ menu on the display Then follow these steps to verify the MeasZ capacitance function 1 Setthe Calibrator Mainframe MeasZ capacitance range to cap The blue softkey under MEASURE toggles the
143. e that is sent to the National Institute of Standards and Technology NIST for characterization This information is then transferred to high speed sampling heads which are used to adjust and verify the SC600 Equipment Setup The following equipment is needed for this procedure e Oscilloscope Tektronix 11801 with SD22 26 input module or Tektronix TDS 820 with 8 GHz bandwidth e 1048 Attenuator Weinschel 9 10 SMA or Weinschel 18W 10 or equivalent Output cable provided with the SC600 Before you begin this procedure verify that the SC600 is in the edge mode the Edge menu is displayed and program it to output 1 V p p 1 MHz Press to activate the output Refer to Figure 6 7 for the proper setup connections and connect the Calibrator Mainframe to the oscilloscope Set the oscilloscope vertical to 10 mV div and horizontal to 1 ns div Set the oscilloscope to look at the 9096 point of the edge signal use this point as the reference level Set the oscilloscope to look at the first 10 ns of the edge signal with the rising edge at the left edge of the oscilloscope display Adjusting the Edge Aberrations Refer to Figure 6 17 while making the following adjustments 1 Adjust 13 to set the edge signal at the right edge of oscilloscope display at 10 ns to the reference level set above 2 Adjust A90R36 so the first overshoot is the same amplitude as the next highest aberration 3 Adjust A90R35 so that the second and thir
144. e that the equipment has had sufficient time to warm up prior to its use Refer to each equipment s operating manual for details Before you begin verification you may wish to review all of the procedures in advance to ensure you have the resources to complete them 6 112 DC Voltage Verification This procedure uses the following equipment Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter 50 feedthrough termination as required BNC cable supplied with the SC300 For DC voltage verification refer to Figure 6 19 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Volt menu on the display Then use the next sections to verify the DC Voltage function 6 113 Verification at 1 For the 1 verification connect the Calibrator Mainframe s SCOPE connector to the HP 34584 input using the cable and the BNC f to Double Banana adapter Make sure the Calibrator Mainframe impedance is set to 1 The blue softkey under Output Z toggles the impedance between 50 and 1 1 Setthe HP 3458A to Auto Range NPLC 10 FIXEDZ on 2 Program the Calibrator Mainframe to output the voltage listed in Table 6 49 Press Jon the Calibrator Mainframe to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each voltage in Table 6 49 4 Compare result to the tolerance column 6 114 Verificati
145. e you begin this procedure verify that the SC300 is in the edge mode the Edge menu is displayed and program it to output 1 V p p 1 MHz Press to activate the output Refer to Figure 6 22 for the proper setup connections and connect the Calibrator Mainframe to the oscilloscope Set the oscilloscope vertical to 1 mV div and horizontal to 1 ns div Set the oscilloscope to look at the first 10 ns of the edge signal with the rising edge at the left edge of the oscilloscope display 6 143 Adjusting the Edge Aberrations Refer to Figure 6 30 while making the following adjustments 1 Setthe oscilloscope to display the 90 point of the edge signal Note this voltage or set to center of the display as it will be used as the reference for the following adjustments 2 Setthe oscilloscope to display the leading edge and the first 10 ns ofthe edge signal Adjust A90R13 to set the edge signal at the 10 ns point to the reference level 3 Adjust 90 12 to flatten out the edge signal Readjust A90R 13 if necessary to keep the edge signal at the reference level 4 Adjust A90R35 so the first overshoot is the same amplitude as the second aberration 6 113 5500A Service Manual 6 114 5 Readjust A90R36 to center the first two aberrations about reference level Readjust A90R 13 if necessary to keep the edge signal at 10 ns to be at the reference level 7 Readjust A90R36 A90R35 or 90 12 to obtain equal amplitudes of the aberrations dis
146. ed Sine Wave Function 6 89 Time Marker Function Specifications sss 6 90 Wave Generator Specifications sese 6 91 Trigger Signal Specifications for the Time Marker Function 6 92 Trigger Signal Specifications for the Edge Function 6 93 Theory of Operation 2 0 ccccecccccsceesseeseeesceececssecsaeceseceseeneeeeeeseeeeeeeeenes 6 94 Voltage Mode en ette ME 10 6 95 Edge MOG pm 6 96 Leveled Sine Wave Mode sese 6 97 Time Marker Mode sse ener enne 6 98 Wave Generator Mode oie Er het etie been 6 99 Equipment Required for Calibration and Verification 6 100 SC300 Calibration Setup essssseseeeeeee eee 6 101 Calibration and Verification of Square Wave Functions 6 78 6 102 Overview of HP3458A 6 78 6 103 Setup for Square Wave 6 78 6 104 DC Voltage Calibration ssessseseeeeeeeeeeneeenn 6 79 6 105 AC Square Wave Voltage Calibration sees 6 80 6 106 Edge Amplitude Calibration esee 6 81 6 107 Leveled Sine Wave Amplitude 6 81 6 108 Leveled Sine Wave Flatness
147. ed for Calibration and Verification SC600 Calibration Setup essere Calibration and Verification of Square Wave Voltage Functions Overview of HP3458A Setup for SC600 Voltage Square Wave Measurements Setup for SC600 Edge and Wave Gen Square Wave Mea s remenls DC Voltage 22 002 2 00001010000000000050000 AC Voltage Calibration essere 6 3 5500A Service Manual 6 35 Wave Generator Calibration 6 22 6 36 Edge Amplitude Calibration esee 6 22 6 37 Leveled Sine Wave Amplitude Calibration sess 6 23 6 38 Leveled Sine Wave Flatness 6 24 6 39 Low Frequency 2002 0 0 6 24 6 40 High Frequency Calibration esses 6 25 6 41 Pulse Width Calibration 6 25 6 42 MeasZ Calibration eee tete eren eaae 6 26 6 43 Verification marnier icr Ie E MORE RN E ARFEN RR SaS 6 28 6 44 DC Voltage 0 0 6 29 6 45 Verification at 1M ics reete ttr trees me deti rra deis 6 29 6 46 Verification at 50 iiec etin FRA Te 6 29 6 47 AC Voltage
148. ed with the SC300 Refer to Figure 6 21 for proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify Edge frequency 1 Setthe PM 668075 FUNCTION to measure frequency on channel A with auto trigger measurement time set to 1 second or longer 50 Q impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A 3 Program the Calibrator Mainframe to output 2 5 V at each frequency listed in Table 6 55 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 6 55 Compare to the tolerance column of Table 6 55 Table 6 55 Edge Frequency Verification Calibrator Mainframe Frequency PM 6680 Reading Frequency Tolerance output 2 5 V p p 0 025 Hz a ____ _ E 10 kHz Pp 0 25 Hz 2 50 Hz 100 kHz 25 0 Hz 6 92 6 121 6 122 SC300 Option 6 Verification Edge Duty Cycle Verification This procedure uses the following equipment PM 6680 Frequency Counter BNC cable supplied with the SC300 Refer to Figure 6 21 for proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Edge menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify Edge duty cycle 1 Setthe 6680 s FUNCTION to
149. embly and what circuit 15 suspect You should perform the diagnositics in proper sequence Each diagnostic test builds on the successful pass of the previous diagnostic test in order to properly diagnose a faulty subcircuit The assembly named in the error message is almost always the assembly that has the fault 1006 DDE FR A6 DCI loop fault Suspects include U57 U31 and U33 on the A6 assembly 1007 DDE FR A6 ACI loop fault Suspects include 03 U14 034 037 038 044 047 U84 and 090 on the assembly 4 7 5500A Service Manual 1010 DDE FR A6 ACV loop fault Assuming the dc voltage tests pass there are a number of A6 ICs associated with ac voltage that could be suspect These include U5 U55 U61 U62 U13 U4 U35 U32 U49 U25 U96 U40 U20 U39 U84 and U3 1011 DDE FR 33 mV divider fault Suspects on the A6 assembly are resistor network Z8 and relay K7 1012 DDE FR A6 330 mV DC fault Suspects on the A6 assembly are resistor network Z8 and relay K7 1013 DDE FR A6 3 3V DC fault Suspect ICs on the A6 assembly are U21 U57 U15 U60 U87 U48 and U42 These ICs are tested in previous test near 0 V This test exposes failures at full scale positive 1014 DDE FR A6 3 3V DC fault Suspect ICs on the A6 assembly are U21 U57 U15 U60 187 148 and U42 These ICs are tested in previous test near 0 V This test exposes failures at full scale negative 1015 DDE FR A8 33V DC fault Su
150. ence e This device must accept any interference received including interference that may cause undesired operation There is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of more of the following measures e HReorient the receiving antenna e Relocate the equipment with respect to the receiver e Move the equipment away from the receiver e Plug the equipment into a different outlet so that the computer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 004 000 00345 4 Declaration of the Manufacturer or Importer We hereby certify that the Fluke Model 5500A is in compliance with BMPT Vfg 243 1991 and is suppressed The normal operation of some equipment e g signal generators may be subject to specific restrictions Please observe the notices in the users manual The marketing and sales of the equipment was reported to the Central Offi
151. ent Specifications Source Typical current Typical Off current Maximum Time Limit DC or ce indication indication AC uu O kHz 5Vto9V 100 mA to 180 mA setabletsto60s 6 18 Theory of Operation The following discussion provides a brief overview of the following SC600 operating modes voltage edge leveled sine wave time marker wave generator video pulse generator input impedance and overload This discussion will allow you to identify which of the main plug in boards of the Calibrator Mainframe are defective Figure 6 1 shows a block diagram of the SC600 Option also referred to as the A50 board Functions that are not depicted in the figure are generated from the DDS Assembly A6 board For a diagram of all Calibrator Mainframe board assemblies refer to Figure 2 1 6 19 Voltage Mode signals for the voltage function are generated from the A51 Voltage Video board a daughter card to the A50 board A dc reference voltage is supplied to the A51 board from the A6 DDS board all dc and ac oscilloscope output voltages are derived from this signal and generated on the A51 board The output of the A51 board is passed to the A50 Signal board also attached to the A50 board and attenuator module and is then cabled to the output connectors on the front panel The reference dc signal is used to generate both and dc and ac signals that are amplified or attenuated to provide the complete range of output signals
152. equency to 1 kHz Then follow these steps to verify the wave generator function Verification at 1 MQ Set the Calibrator Mainframe impedance to 1 The blue softkey under SCOPE 7 toggles the impedance between 50 and 1 1 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 5790A INPUT 2 using the BNC f to Double Banana adapter Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on Program the Calibrator Mainframe to output the wave type and voltage listed in Table 6 41 Allow the 5790A reading to stabilize then record the 5790A rms reading for each wave type and voltage in Table 6 41 5 SC600 Option 6 Verification Multiply the rms reading by the conversion factor listed to convert it to the peak to peak value Compare result to the tolerance column 6 68 Verification at 50 0 Set the Calibrator Mainframe impedance to 50 2 The blue softkey under SCOPE Z toggles the impedance between 500 and 1 1 Connect BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 50 2 feedthrough termination then to the 5790A INPUT 2 using the BNC f to Double Banana adapter Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on Program the Calibrator Mainframe to output the wave type and voltage listed in Table 6 42 Allow the 5
153. er BNC cable supplied with the SC300 Note Full calibration of the Voltage Function requires both dc and ac calibration Refer to Figure 6 19 for the proper setup connections Set the Calibrator Mainframe in Scope Cal mode DC Voltage section Follow these steps to calibrate DC Voltage 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BNC cable and the BNC f to Double Banana adapter 2 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 3 Press the GO ON blue softkey 6 79 5500A Service Manual 6 80 6 105 7 Ensure the HP 3458A reading is 0 0 V DC 100 Press the GO ON blue softkey Calibration voltages 33 V and greater will automatically put the Calibrator Mainframe output in standby When this occurs press on the Calibrator Mainframe to activate the output Allow the HP 3458A DC voltage reading to stabilize Enter the reading via the Calibrator Mainframe front panel keypad then press ENTER Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the reading insuring proper multiplier i e m L n p If the warning still occurs repair may be necessary Repeat steps 6 until the Calibrator Mainframe display indicates that the next steps calibrate ac voltage Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants AC voltag
154. er should display approximately 75 mW Enter the power meter s reading in Column A of Table 6 33 6 46 SC600 Option 6 Verification Enter 10 MHz into the Calibrator Mainframe Allow the power meter reading to stabilize then enter the power meter s reading in Column B of Table 6 33 Enter the next frequency listed in Table 6 33 Allow the power meter s reading to stabilize then enter the reading into Column of the table Enter 10 MHz into the Calibrator Mainframe Allow the power meter reading to stabilize then enter the power meter s reading in Column B of Table 6 33 Repeat steps 4 and 5 for all of frequencies listed in Table 6 33 Continue until you have completed Columns A and B When you have completed Columns A and B press to remove the Calibrator Mainframe s output Complete Table 6 33 by performing the calculations for each column Compare Column E to the specifications listed in the final column Table 6 33 High Frequency Flatness Verification at 5 5 V Calibrator Calibrator Mainframe Mainframe Flatness Spec Freq MHz Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Col
155. er up GPIB test failed Saving to NV memory failed NV memory invalid NV invalid so default loaded NV obsolete so default loaded Serial parity error s s is serial port Serial framing error s s is serial port Serial overrun error s s is serial port Serial characters dropped s s is serial port Report timeout aborted Sequence failed during diag Guard xing link diag fail Inguard bus r w diag fail 6 A D comm fault A6 A D or DAC fault A6 DAC fine channel fault 1091 See Diagnostic Error Messages DD D P GS SM E Ed Eb D Dd pd pb pl pd Bh FR FR B tz 3 J mJ HU vU PU BO WU vU WO WU vU PU DO WU PU DO WU PU PO DO PU WU 2 YS YS YS Ss Ss Ss Sequence name too long Sequence RAM table full Sequence name table full Bad syntax Unknown command Bad parameter count Bad keyword Bad parameter type Bad parameter unit Bad parameter value 488 2 I O deadlock 488 2 interrupted query 488 2 unterminated command 488 2 query after indefinite response Invalid from GPIB interface Invalid from serial interface Service only Parameter too long Invalid device trigger Device trigger recursion Serial buffer full Bad number Service command failed Bad binary number Bad binary block Bad character Bad decimal number Exponent magnitude too large
156. erification sse 6 65 Time Marker Verification 6 66 Wave Generator Verification esses 6 67 Verification at 1 6 68 Verification at 50 0 a R a bates 6 69 Pulse Width Verification sess 6 70 Pulse Period Verification ertet eee e 6 71 MeasZ Resistance Verification sss 6 72 MeasZ Capacitance Verification sss 6 73 Overload Function Verification 6 74 5 600 Hardware Adjustments sese Contents continued 6 75 Equipment 6 76 Adjusting the Leveled Sine Wave Function sess 6 77 Equipment 6 78 Adjusting the Leveled Sine Wave VCO Balance 6 79 Adjusting the Leveled Sine Wave Harmonics 6 80 Adjusting the Aberrations for the Edge Function 6 81 Equipment 6 82 Adjusting the Edge Aberrations sse 90300 E 6 83 Introduction sessi enne 6 84 200 rta ne nr RR HR Hte 6 85 SC300 Specifications esses eene enne 6 86 Voltage Function 8 6 87 Edge Function Specifications sss 6 88 Level
157. ermocouple measurement accurac Thermocouple measuring accurac Thermocouple sourcing accuracy Volt Function 7 Zeroing 3 20
158. fully calibrated prior to performing any of the SC600 calibration procedures The hardware adjustments are intended to be one time adjustments performed in the factory however adjustment may be required after repair Hardware adjustments must be performed prior to calibration Calibration must be performed after any hardware adjustments See Hardware Adjustments in this chapter The AC Voltage function is dependent on the DC Voltage function Calibration of the AC Voltage function is required after the DC Voltage is calibrated 6 17 5500A Service Manual 6 18 The Calibrator Mainframe must complete a warm up period and the SC600 must be enabled for at least 5 minutes prior to calibration to allow internal components to thermally stabilize The Calibrator Mainframe warm up period is at least twice the length of time the calibrator was powered off up to a maximum of 30 minutes The SC600 is enabled by pressing the front panel SCOPE key The green indicator on the SCOPE key will be illuminated when the SC600 is enabled Much of the SC600 can be calibrated interactively from the front panel Enable the SC600 and wait at least 5 minutes Enter Scope Cal mode by pressing the front panel SETUP key CAL blue softkey second CAL blue softkey and SCOPE CAL blue softkey Entering Scope Cal mode prior to having the SC600 enabled for at least 5 minutes will cause a warning message to be displayed equipment specified for SC600 calibrati
159. ge Rise Time Verification DSO Vertical Calibrator Mainframe Output Axis A B 11801 Corrected Voltage Frequency mV div Reading Reading Tolerance 20 0 6 123 Edge Abberation Verification The following equipment is needed for this procedure e Tektronix 11801 oscilloscope with SD22 26 sampling head Output cable provided with the SC300 Use the same trigger setup found in the Edge Rise Time Verification section Before you begin this procedure verify that the 5520A SC300 is in the edge mode the Edge menu is displayed and program it to output 1 V p p 1 MHz Press to activate the output Connect the Calibrator Mainframe to the oscilloscope as in Figure 6 22 Set the oscilloscope vertical to 10 mV div and horizontal to 1 ns div Set the oscilloscope to look at the 90 point of the edge signal use this point as the reference level Set the oscilloscope to look at the first 10 ns of the edge signal with the rising edge at the left edge of the oscilloscope display With these settings each vertical line on the oscilloscope represents a 1 aberration Determine that the SC300 falls within the typical specifications shown in Table 6 57 6 95 5500A Service Manual Table 6 57 Edge Aberrations Time from 50 of Rising Edge Typical Edge Aberrations 10 30 ns 12 mV 1 2 6 124 Leveled Sine Wave Reference Verification This procedure uses the following equipment 5790A AC Measurement Standard BNC f to Do
160. ger Specifications 6 11 Encoder assembly A2 Theory e required for calibration and verification 3 3 Error messages Diagnostic Non diagnostic 4 14 SC Option not installed 6 5 6 67 Frequency specifications 1 24 Fuses internal 4 14 General specifications 1 6 Hardware adjustments for SC300 Hardware adjustments for SC300 Option Hardware adjustments for sceooleso Harmonics 2nd 50th specifications L Leveled Sine Wave function adjusting the harmonics 6 62 6 116 adjusting VCO balance 6 61 6 115 Amplitude Verification 6 40 6 96 equipment setup 6 23116 82 Flatness Verification High frequency High frequency at 5 5 V High frequency at 5 5V Low frequency 6 2416 83 Low frequency at 5 5 V Low frequency at 5 5V 16 46 Low frequency equipment setup 6 40 6 44 Frequency Verification 6 4116 97 Harmonics Verification 6 42 6 98 Theory of Operation 6 12 72 Leveled Sine Wave Function Specifications 6 86 70 M Main CPU assembly A9 Theory 2 8 MeasZ Capacitance Verification 6 58 MeasZ function Calibration 6 26 MeasZ Function Capacitance Specifications 6 Resistance Specifications MeasZ Resistance Verification Overload function Verification 6 59 Overload Function Specifications p Performance verification See Verification Phase specifications 5500A Power and dual
161. he BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 50 feedthrough termination then to the 5790A INPUT 2 using the BNC f to Double Banana adapter 2 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on 6 81 5500A Service Manual Press the GO ON blue softkey 4 Press to activate operating mode on the Calibrator Mainframe 5 Allow the 5790A rms reading to stabilize Multiply the 5790A reading by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Enter the corrected rms reading via the Calibrator Mainframe front panel keypad then press Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and calculation and carefully re enter the corrected rms reading insuring proper multiplier i e m n If the warning still occurs repair be necessary 6 Repeat step 5 until the Calibrator Mainframe display indicates that the next steps calibrate Leveled Sine flatness Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants ER C BEGEE 2
162. he Spectrum Analyzer will display a spur in the waveform approximately 1 MHz away from the carrier frequency Refer to Figure 6 31 to identify the spur 3 You need to adjust the wave until the spur disappears To do this s owly rotate RA4 shown in the diagram counterclockwise until the spur just disappears As you adjust 6 115 5500A Service Manual it the spur will move down the waveform towards the right As soon as the spur 15 gone stop rotating R44 If you rotate it too far the spur will reappear Once you have turned R44 to the point at which the spur just disappears the signal is balanced between the VCOs and you have completed the adjustment R44 om037f eps Figure 6 31 Adjusting the Leveled Sine Wave Balance 6 149 Adjusting the Leveled Sine Wave Harmonics 6 116 The following procedure adjusts the harmonics for the leveled sine wave function Note This procedure should only be used for adjusting the leveled sine wave harmonics Do not use this procedure as a verification test The specifications in this procedure are not valid for verification Set the Spectrum Analyzer to the parameters listed below Spectrum Analyzer Setup Start Frequency 50 MHz Stop Frequency 500 MHz Resolution Bandwidth 3 MHz Video Bandwidth 3 kHz Reference Level 20 dBm 2 Use your Spectrum Analyzer s Peak Search function to find the desired reference signal The Analyzer should sh
163. he component level In many different ways it is easy to introduce a subtle long term stability problem by handling the boards Access procedures are provided for those who want to replace a faulty module Access Procedures Use the following procedures to remove the following assemblies Analog modules Main CPU A9 e Rear Panel Module transformer and ac line input components Filter PCA A12 e Encoder A2 and display assemblies e Keyboard PCA and thermocouple I O Removing Analog Modules Proceed as follows to remove the Voltage A8 Current A7 DDS A6 or Synthesized Impedance A5 modules 1 Remove the eight Phillips screws from the top cover 2 Remove the top cover 3 Remove the eight Phillips screws from the guard box cover The locations of the analog modules are printed on the guard box cover Lift off the guard box cover using the finger pull on the rear edge of the cover On the desired analog module release the board edge locking ears Lift the board out of its socket in the Motherboard Lay the board shield side down R To remove the shield remove Phillips screw at the center of the shield then pull the sides of the shield away from the board 8 To reinstall the shield first align one set of tabs then press the other side into place Removing the Main CPU A9 You can remove the Main CPU A9 without removing the rear panel or Filter PCA A12 Proceed as follow
164. ice Manual Table 3 16 Resistance Accuracy Test cont wa em ewm 22 Bem p em em mem wow em mw em mw jm 1 Perform this test using the HP 3458A in the 10 MO range and the Fluke 742A 10M in parallel with the 5500A output Using exactly 10 MO the nominal value is 9 66667 Figure 3 4 shows the connections and the equation you use to calculate actual resistance 3 31 Hesistance DC Offset Measurement The Resistance DC Offset Measurement test checks the dc offset of the amplifiers used in synthesizing resistance Prior to performing this test make sure you zero the 5500A Calibrator following the Zeroing the Calibrator procedure described earlier in this chapter Set the output to 100 ohms COMP OFF and measure the NORMAL terminals with a dc millivoltmeter Table 3 17 shows the test point Table 3 17 Resistance DC Offset Measurement Test Range Nominal Value Measured Value V Deviation 8 Hour Spec NORMAL 3 24 Calibration and Verification 3 Performance Verification Tests 3 32 AC Voltage Amplitude Accuracy NORMAL The AC Voltage Amplitude Accuracy test verifies the accuracy of ac voltage at the 5500 Calibrator front panel NORMAL terminals Table 3 18 shows the test points
165. iled 404 DDE FR D Queue from 5725A full 405 DDE FR Message over display R side 406 DDE FR Unmappable character d d isan ASCII character 407 DDE FR Encoder did not reset 408 DDE FR Encoder got invalid command 500 DDE Internal state error 501 DDE Invalid keyword or choice 502 DDE Harmonic must be 1 50 503 DDE Frequency must be 0 504 DDE AC magnitude must be gt 0 505 DDE impedance must be gt 0 506 DDE Function not available 507 DDE Value not available 508 DDE Cannot enter watts by itself 509 DDE Output exceeds user limits 510 DDE Duty cycle must be 1 0 99 0 511 DDE Power factor must be 0 0 1 0 512 DDE Can t select that field now 513 DDE Edit digit out of range 514 DDE Can t switch edit field now 515 DDE Not editing output now 516 DDE dBm works only for sine ACV 517 DDE Freq too high for non sine 518 DDE Value outside locked range 519 DDE Must specify an output unit 520 DDE Can t do two freqs at once 521 DDE Can t source 3 values at once 522 DDE Temp must be degrees C or F 523 DDE Can t do that now 524 DDE Can t turn on the boost 525 DDE Can t turn off the boost 526 DDE Limit too small or large 527 DDE No changes except RESET now 528 DDE FR D 5725A went away while in use 529 DDE Cannot edit to or from 0 Hz 530 DDE Bad state image not loaded 531 DDE TC offset limited to
166. ion Equipment cont Instrument Mode Minimum Use Specifications Leveled Sine Wave Frequency Verification Frequency PM 6680 with option PM 9621 PM 9624 or 50 kHz to 350 MHz 1 6 ppm Counter PM 9625 and PM 9678 uncertainty Pomona 3288 BNC f to Type Leveled Sine Wave Flatness Low Frequency Calibration and Verification Fluke 5790A 5 mV p p to 5 5 V p p with 03 option 50 kHz to 10 MHz Pomona 3288 BNC f to N m Leveled Sine Wave Harmonics Verification Spectrum Analyzer HP 8590A Adapter Pomona 3288 BNC f to Type N m BNC Cable supplied with SC300 Edge Frequency AC Voltage Frequency Verification Frequency Counter PM 6680 with option PM 20 ms to 150 ns 10 Hz to 10 MHz 1 6 ppm 9678 uncertainty BNC Cable supplied with SC300 Edge Duty Cycle Frequency Counter PM 6680 BNC Cable supplied with SC300 Leveled Sine Wave Flatness High Frequency Calibration and Verification Power Meter Hewlett Packard Range 42 to 5 6 dBm E4418A Frequency 10 300 MHz Power Sensor Hewlett Packard 8482A Range 20 to 19 Frequency 10 300 MHz Power Sensor Hewlett Packard 8481D Range 42 to 20 dBm Frequency 10 300 MHz 30 dB Hewlett Packard Range 30 dB Reference 11708A Attenuator supplied with HP Frequency 50 MHz 8481D Adapter Hewlett Packard to Type PN 1250 1474 BNC Cable supplied win 90300 ooo O 6 76 SC300 Option 6 SC300 Cali
167. ions are valid after allowing a warm up period of 30 minutes or twice the time the 5500A has been turned off For example if the 5500A has been turned off for 5 minutes the warm up period is 10 minutes All specifications apply for the temperature and time period indicated For temperatures outside of tcal 5 C tcal is the ambient temperature when the 5500A was calibrated the temperature coefficient is less than 0 1 times the 90 day specifications per C limited to 0 C to 50 C These specifications also assume the 5500A Calibrator is zeroed every seven days or when the ambient temperature changes more than 5 C See Zeroing the Calibrator in Chapter 4 of the 5500A Operator Manual Also see additional specifications later in this chapter for information on extended specifications for ac voltage and current The dimensional outline for the 5500A Calibrator is shown in Figure A Introduction and Specifications 1 Specifications I 43 2 em 17 in NORMAL AUX SCOPE ADSENSE E E 9 eA 17 8 cm FJ EJ 7 in oma oc 47 0 18
168. ions for column C Compare Column C to the specifications listed in the final column Table 6 61 Low Frequency Flatness Verification at 5 5 V IN Calibrator Mainframe Flatness Specification EN 500kHz kHz 1 50 100 uV Complete Columns A C as follows Enter 5790A Reading mV for the present frequency Enter 5790A Reading mV for 50 kHz Compute and enter the Calibrator Mainframe Flatness Deviation 96 100 Column A Column B entry Column B entry 6 131 High Frequency Verification This procedure provides an example of testing high frequency flatness using a 5 5 V output Follow the same procedure for testing other amplitudes only compare results against the flatness specification listed in Table 6 62 For this voltage range you will use the model HP 8482A power sensor 1 Program the Calibrator Mainframe for an output of 5 5 V 30 MHz Press on the Calibrator Mainframe to activate the output 2 Allow the power meter reading to stabilize The power meter should display approximately 75 mW Enter the power meter s reading in Column A of Table 6 62 6 102 SC300 Option 6 Verification 3 Enter 10 MHz into the Calibrator Mainframe Allow the power meter reading to stabilize then enter the power meter s reading in Column B of Table 6 62 4 Enter the next frequency listed in Table 6 62 Allow the power meter s reading to stabilize then enter the reading into Column of
169. just the VCO balance for the leveled sine wave function 1 2 Program the Calibrator Mainframe for an output of 5 5 V 600 MHz Set the Spectrum Analyzer to the parameters listed below Spectrum Analyzer Setup Start Frequency 10 MHz Stop Frequency 800 MHz Resolution Bandwidth 30 kHz Video Bandwidth 3 kHz Reference Level 20 dBm The Spectrum Analyzer will display a spur at 153 MHz Refer to Figure 6 15 to identify the spur You need to adjust the wave until the spur is at a minimum To do this slowly rotate shown in the diagram counterclockwise until the spur 15 at a minimum As you adjust it the spur will move down the waveform towards the right As soon as the spur is minimized stop rotating R1 If you rotate it too far the spur will reappear Once you have turned R1 to the point at which the spur is at a minimum the signal is balanced between the VCOs and you have completed the adjustment R1 om052f eps Figure 6 15 Adjusting the Leveled Sine Wave Balance 6 79 Adjusting the Leveled Sine Wave Harmonics The following procedure adjusts the harmonics for the leveled sine wave function 6 61 5500A Service Manual Note This procedure should only be used for adjusting the leveled sine wave harmonics Do not use this procedure as a verification test The specifications in this procedure are not valid for verification 1 Setthe Spectrum Analyzer to the parameters listed below
170. justing Base of Peak with R57 om040f eps 6 119 5500A Service Manual 6 120 Ledge on center line R16 om041f eps Figure 6 35 Adjusting the Ledge with R16 Note Aberration adjustments are interactive with rise time adjustments When you have completed this aberration adjustment verify the edge rise time to ensure that it remains within tolerance If it does not repeat the aberration and rise time adjustments until you achieve the best compromise within the listed tolerance levels 6 153 Adjusting the Edge Aberrations for Board 5500A 4004 Follow this procedure only if you have Board 5500A 4004 Fluke PN 937383 1 Adjust the dc offset on the 11801B so the peak of the square wave is on the center line Change the time div on the 11801B to 5 ns div Adjust R16 so that the wave crosses the horizontal center line one division before the vertical center Slowly adjust pot R57 and observe its effect on the first 15 ns of the waveform Adjust R57 so the rising edge falls back and crosses the horizontal center line one division before the vertical center The edge should cross the center line at two points where it rises and falls and these points should be 20 ns apart Refer to Figure 6 36 Change the time div on the 11801B to 2 ns div Now adjust pot R1 and observe the ledge that occurs within the first 2 ns of the rising edge Adjust so this ledge 15 as flat as p
171. justing the Aberrations for the Edge Function Equipment Set p d e reae dae esed edis Adjusting the Edge Aberrations for Board 5500A 4004 1 Adjusting the Edge Aberrations for Board 5500 4004 Adjusting the Rise Time for the Edge Function Equipment Set p iie etit tinet tenerent hon enki asinen Adjusting the Edge Rise Time o E o 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 EES eee To po RO SS dx pa eS 09 509 09 552 59 WW WWW WWW WWW WW WwW U9 List of Tables Title Required Equipment for Calibration and Verification sss Volts Calibration Steps a Tae t AC Volts Calibration Steps ocres rne e enne nnne DC Current Calibration Steps sees ener AC Current Calibration Steps AUX DCVolts Calibration Steps essent AUX ACVolts Calibration Steps essent Resistance Calibration Steps sess nennen enne Capacitance Calibration Steps sse eene Normal Volts and AUX Volts Phase Calibration Vol
172. l Lag Bath Dewar Flask and Cap om008f eps Figure 3 1 Connections for Calibrating TC Measure 1 Apply a copper short to the TC terminals Allow the temperature of the short to stabilize for 3 minutes 2 Perform the zero calibration as indicated on the 5500A front panel Remove the copper short as instructed on the 5500 front panel 4 Perform the gain CAL as follows Plug a J thermocouple into the TC terminals as Figure 3 1 shows Allow the temperature to stabilize for 3 minutes Measure a lag bath that is within 2 C of ambient temperature Compare this reading with a precision temperature standard and enter the reading into the 5500A when prompted to do so 3 6 Calibration and Verification 3 Calibration 3 9 DC Current Use a precision DMM and appropriate precision shunts to measure the 5500A output as Figure 3 2 shows Enter into the 5500A each of the measured values listed in Table 3 4 when prompted to do so Current Shunt HP3458 Function Output Terminals om009f eps Figure 3 2 Connections for Calibrating DC Current Table 3 4 DC Current Calibration Steps 5500A Output Shunt Value AUX 200 mA 5500A Service Manual 3 10 AC Current Use a Fluke 5790 or equivalent with the appropriate precision shunts and adapter to measure the 5500A output Refer to the 5790
173. le Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed for the Calibrator Mainframe 4 Invert the PM 6680 s frequency reading to derive the period For example a reading of 1 000006345 kHz has a period of 1 1 000006345 kHz 0 999993655 ms Record the period in the table and compare to the tolerance column Table 6 40 Time Marker Verification Calibrator PM 6680 Settings PM 6680 1 Mainframe Reading PM 6680 Reading eee Period Frequency Period ages arses 0 09 e ass sos 6 51 5500A Service Manual 6 52 6 66 Wave Generator Verification This procedure uses the following equipment 5790 AC Measurement Standard BNC f to Double Banana adapter 50 feedthrough termination BNC cable supplied with the Calibrator Mainframe 5500 5 600 FLUKE 55004 CALIBRATOR BNC F to Double Banana Feed Through AUX SCOPE SENSE 0 SENSE AUXV MAX Adapter Termination 6 67 om060f eps Figure 6 13 Wave Generator Verification Setup For wave generation verification procedures refer to Figure 6 13 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Wavegen menu on the display Press on the Calibrator Mainframe to activate the output Set the offset to 0 mV and the fr
174. libration send the command CAL START FACTORY PHASE These calibration commands can be used with either the IEEE 488 or serial interface use the serial interface and without having to write a calibration program do the following 1 Connect the appropriate COM port from a PC to the 5500A Serial 1 connector using a Fluke PM8914 cable 2 Callup the Terminal program from within Microsoft Windows Set the communications parameters to match that of the 5500A 3 Press Enter At the prompt type the desired calibration command e g CAL START FACTORY 5500A Service Manual 3 20 Generating a Calibration Report Three different calibration reports are available from the 5500A each one either formatted for printing or in comma separated variable format for importation into a spreadsheet Using the REPORT SETUP softkey under UTILITY FUNCTS CAL you select lines per page calibration interval type of report format and which serial port to use The three types of report are as follows e stored which is a comparison of the most recent calibration shifts to those from the previous calibration e active which is a comparison of the active calibration shifts to those from the most recent calibration These shifts are all zero unless you have just done a new calibration but not saved the constants yet e which is a listing of the active set of raw calibration constant values The following ex
175. lly lock the HP 3458A to the range that gives the most resolution for the baseline measurements Use this same range for the corresponding baseline measurements at each step Note that in the EDGE function the topline is very near 0 V and the baseline is a negative voltage See Table 6 54 3 For each calibration step take samples for at least two seconds using the HP 3458A MATH functions to enter the average or mean value See Setup for Square Wave Measurements earlier in this section for more details 4 The peak to peak value of the wave form is the difference between the topline and baseline measurements correcting for the load resistance error To make this correction multiply the readings by 0 5 50 Rload Rload where Rload actual feedthrough termination resistance Record each reading as indicated in Table 6 54 6 91 5500A Service Manual Table 6 54 Edge Amplification Verification Peak to Calibrator HP 3458A Topline Baseline Peak to Peak x Tolerance Range Reading Reading Correction 100 mV 1 kHz 100 mV dc 1 00V 1 kHz 1V dc 5 mV 10 kHz 100 mV dc 10 mV 10 kHz 100 mV dc 25 mV 10 kHz 100 mV dc 50 mV 10 kHz 100 mV dc 100 mV 10 kHz 1 V dc 500 mV 10 kHz 1 V dc 1 00 V 10 kHz 1V dc 2 5 V 10 kHz 10 V dc 6 120 Edge Frequency Verification This procedure uses the following equipment PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 BNC cable suppli
176. ltage Specifications and DC Current Specifications and Calculating Power Uncertainty 1 14 AC Power 45 Hz to 65 Hz Specification Summary 1 Absolute Uncertainty tcal 5 of Watts output Voltage Range Current Range 5500A Calibrator e 5725A Amplifier ________________ 0910219998 2210449994 astona 5500A Calibrator 5725A Amplifier 5500A Calibrator 3310 328 999 mV 90 days 330 mV to 1020 V 33 mV to 1020 V 1 year 330 mV to 1020 V To determine uncertainty with more precision see Calculating Power Uncertainty Introduction and Specifications 1 Specifications 1 15 Power and Dual Output Limit Specifications Voltages Voltages Power Factor Frequency NORMAL Currents AUX PF w oov 1 to 5 kHz 3 3 to 1020 v 17 33 mA to 2 19999 A 100 mV to 3 3 V 11 5 to 10 kHz 3 3 to 1020 v P 33 mA to 329 99 mA 1to 3 3 V 1 In dual volts voltage is limited to 3 3 to 500 V in the NORMAL output 2 dual volts voltage is limited to 3 3 to 250 V in the NORMAL output e The range of voltages and currents shown in DC Voltage Specifications DC Current Specifications AC Voltage Sine Waves Specifications and AC Current Sine Wave Specifications are available in the power and dual output modes except minimum current for ac power is 0 33 mA However only those limits shown in this table are specified See Calculating Power Uncertaint
177. ltage function If another function is to be calibrated alternately press the OPTIONS and NEXT SECTION blue softkeys until the desired function 1s reached 6 101 Calibration and Verification of Square Wave Functions The AC Voltage and Edge functions have square wave voltages that need to be calibrated and verified 3458 digital multimeter be programmed from either the front panel or over the remote interface to make these measurements 6 102 Overview of HP3458A Operation The Hewlett Packard 34584 digital multimeter is setup as a digitizer to measure the peak to peak value of the signal It is set to DCV using various analog to digital integration times and triggering commands to measure the topline and baseline of the square wave signal 6 103 Setup for Square Wave Measurements By controlling the HP 3458A s integration and sample time it can be used to make accurate repeatable measurements of both the topline and baseline of the square wave signals up to 10 kHz The HP 34584 is triggered by a change in input level The trigger level is set to 1 of the DCV range with ac coupling of the trigger signal The delay after the trigger event is also changed for the of AC Voltage Square Wave and Edge functions See Table 6 48 and Figure 6 19 Table 6 48 AC Square Wave Voltage and Edge Settings for the HP3458A Voltage HP 3458A Settings Input Frequency NPLC DELAY topline DELAY baseline 002 00004 s 00014
178. ltage harmonic amplitude accuracy AUX 3 39 AC voltage harmonic amplitude accuracy NORMAL 3 38 Capacitance accuracy 3 29 DC current amplitude 3 22 DC power amplitude accuracy AUX DC power amplitude accuracy NORMAL DC voltage amplitude accuracy 13 21 DC voltage amplitude accuracy NORMAL 3 21 DC voltage offset accuracy phase and frequency accuracy 3 34 Resistance accuracy 3 23 Resistance dc offset measurement SC300 6 84 AC Voltage frequenc DC Voltage 6 7916 84 Edge Duty Cycle Edge Frequenc Edge rise time Leveled Sine Wave Amplitude Leveled Sine Wave Frequency Leveled Sine Wave Harmonics 6 96 5500A Service Manual Time 07 6 6 Wave Generator Voltage assembly A8 SC600 6 28 Theory 2 7 AC Voltage frequenc Voltage function DC Voltage 6 2116 29 Theory of Operation 6 72 Edge Duty Cycle Voltage Function Edge Frequenc Specifications Edge rise time 6 36 Leveled Sine Wave Amplitude W Leveled Sine Wave Frequency Leveled Sine Wave Harmonics 6 42 Wave Generator Specifications Wave Generator function MeasZ it 6 58 a d Theory of Operation 6 13 MeasZ Resistance 6 57 Verificati 16 52 6108 Overload function 9 24 D Wave Generator Function Pulse period Specificati Pulse width 6 56 Time Marker 6 51 Wave Generator Th
179. lue Note For this application if making measurements of a signal gt 1 kHz the HP 3458A has been known to have 05 to 1 peaking For these signals lock the HP 34584 to the range HP 3458A Front SC600 Cable 5500A SC600 FLUKE 5500A CALIBRATOR 50 Q Feedthrough NORMAL lt Termination BNC F to Double Banana Adapter HP 3458A Rear om054f eps Figure 6 2 Equipment Setup for SC600 Voltage Square Wave Measurements 6 19 5500A Service Manual 6 32 Setup for SC600 Edge and Wave Gen Square Wave Measurements The setup to measure the topline and baseline of Edge and Wave Generator signals differs slightly from the Voltage Square Wave method described above The HP 3458A is triggered by a change in input level instead of an external trigger The trigger level is set to 1 of the range with AC coupling of the trigger signal The delay after the trigger event is also changed for the Edge and Wave Generator functions See Table 6 17 and Figure 6 3 Table 6 17 Edge and Wave Generator HP3458A Settings HP 3458A SC600 Cable 5500A SC600 A F LLLIK ES 55004 CALIBRATOR 50 Feedthrough Termination BNC F to Double Banana Adapter om055f eps Figure 6 3 Equipment Setup for SC600 Edge and Wave Gen Square Wave Measurements For all measurements the HP 3458A is in DCV manual ranging wi
180. lure 5725A HVCLR circuit failure 5725A DAC failure 5725A watchdog timer fault 5725A I heatsink too hot Output tripped to standby 5725A compliance V exceeded 5725A compliance V exceeded 5725A 400V did not shut off 5725A 400V did not shut off 5725A V heatsink too hot 5725A V heatsink too hot 5725A 400V supply too small 5725A 400V supply too large 5725A 400V supply too large 5725A 400V supply too small 5725A 400V supply 1 Output tripped to standby 5725A 400V supply 1 Output tripped to standby 5725A fan not working 5725A CLAMPS fault Output tripped to standby 5725A software TRAP 5725A cable was off 5725A RESET 5725A guard crossing timeout 5725A illegal command 5725A non maskable interrupt 5725A HVCLEAR tripped Output tripped to standby Invalid procedure number No such step in procedure Can t change that while busy Can t begin resume cal there Wrong unit for reference Entered value out of bounds Not waiting for a reference Continue command ignored Cal constant outside limits Cal try to null failed Sequence failed during cal A D measurement failed Invalid cal step parameter Cal switch must be ENABLED Divide by zero encountered Must be in OPER at this step 4 15 5500A Service Manual 316 DDE FR Open thermocouple for RJ cal 400 DDE FR D Encoder not responding VERS 401 DDE FR D Encoder not responding COMM 402 DDE FR D Encoder not responding STAT 403 DDE FR Encoder self test fa
181. ly but the amplifier for voltage outputs 3 3 V is on the DDS assembly Voltage Amp gt 3 3V on A8 lt 3 3V A6 NORMAL HI NORMAL LO SCOM AC Converter SCOM om007f eps Figure 2 5 Voltage Function 2 7 5500A Service Manual 2 8 2 7 2 8 2 9 2 10 Main CPU Assembly A9 The Main CPU A9 attached to the rear panel assembly communicates with the following assemblies e Inguard CPU on the DDS assembly Display assembly CPU e Serial and IEEE interfaces e External amplifier 5725A The main CPU memory is Flash ROM Each analog assembly has the same bus structure e One or more Chip Select lines e Common data bus that connects to the motherboard latched in by latches e A Fault line that sets all modules to a safe state in case of malfunction Signals to the front panel jacks are routed by output relays on the motherboard Power Supplies AC line voltage is applied through a line filter to a power module in the rear panel that provides switching for four line voltages The outputs of the power module are wired directly to the primaries of the mains transformer The safety ground wire is attached from the power module to the rear panel Major internal grounds are SCOM which is tied to OUTPUT LO and the guard shell ICOM which is the internal ground for the current function and GCOM which is the outguard common and is tied to earth ground
182. m up period of at least twice the length of time the calibrator was powered off up to a maximum of 30 minutes All SC300 specifications apply to the end of the cable PN 945014 supplied with the Option 6 86 Voltage Function Specifications Voltage Function DC Signal AC Square Wave Signal Amplitude Characteristics Range OVto t2 2V OVto 33V 1 8 mV to 1 8 mV to 2 2 V p p 105 V p p 1 Resolution lt 100 V 4 digits or 10 uV whichever is greater 2100 V 5 digits Adjustment Range Continuous 1 1 Year Absolute Uncertainty tcal 5 C 0 25 of output 100 uV 2 Sequence 1 2 5 e g 10 mV 20 mV 50 mV Square Wave Frequency Characteristics 6 68 Range 10 Hz to 10 kHz 3 1 Year Absolute Uncertainty tcal 5 C 25 ppm of setting 15 mHz Typical Aberration within 20 us from leading edge lt 2 of output 100 uV The square wave signal into 1 MQ is a positive square wave from 1 8 mV to 55 V p p From 95 V to 105 V its output is a square wave like signal that alternates between the negative peak and the positive peak with the centerline at 10 V Signals between 55 V and 95 V are not available The uncertainty for 50 loads does not include the input impedance uncertainty of the oscilloscope Square wave signals below 4 5 mV have an uncertainty of 0 25 of output 200 uV Signals from 95 to 105 V have an uncertainty of 0 5 of output in the frequency range 100 Hz to 1 kHz Typical unce
183. me Calibrator Mainframe Freq MHz c Flatness Spec 2 So _ o oo o __ es20 100V __ ______ ______________ ms oo oo __ ___ ___ es20 100V j Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 64 High Frequency Flatness Verification at 25 mV Calibrator Mainframe Calibrator Mainframe Freq MHz c Flatness Spec 2 so _ 2 o _ 5 O oo o 2 20 10uV e o 5 20 10uV 20100 pe 0 0 o 2 20 10uV 20 s20 10uV _ J Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequenc
184. measure duty cycle on channel A with auto trigger measurement time set to 1 second or longer 50 impedance and filter off 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to PM 6680 channel A Program the Calibrator Mainframe to output 2 5 V at 1 MHz 4 Allow PM 6680 reading to stabilize Compare the duty cycle reading to 50 5 Edge Rise Time Verification This procedure tests the edge function s rise time Aberrations are also checked with the Tektronix 11801 oscilloscope and SD 22 26 sampling head The following equipment is used to verify the edge rise time High Frequency Digital Storage Oscilloscope Tektronix 11801 with Tektronix SD 22 26 sampling head e 3 dB attenuator 3 5 mm m f BNC f to 3 5 mm m adapter 2 BNC cable supplied with the SC300 e second BNC cable Connect the BNC cable supplied with the SC300 to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to one BNC f to 3 5 mm m adapter then to the DSO s sampling head through the 3 dB attenuator Using the second BNC f to 3 5 mm m adapter and BNC cable connect the Calibrator Mainframe s TRIG OUT connector to the 1180175 Trigger Input Refer to Figure 6 22 Set the scope trigger amplitude to divide by 10 6 93 5500A Service Manual 5500A SC300 Tek 11801 With 5D26 Sampling Head FLUKE 55004 CALIBRATOR 3 dB Attenaator 3 5 mm m f
185. measurements of both the topline and baseline of the Voltage Square Wave up to 10 kHz To make these measurements the HP 3458A s External Trigger function is used in conjunction with the SC600 s External Trigger output In general the HP 34584 is setup to make an analog to digital conversion after receiving the falling edge of an external trigger The conversion does not take place until a time determined by the 3458A DELAY command The actual integration time is set according to the frequency that the DMM 18 measuring Table 6 16 below summarizes the DMM settings required to make topline and baseline measurements Figure 6 2 illustrates the proper connections for this setup SC600 Option 6 Calibration and Verification of Square Wave Voltage Functions Table 6 16 Voltage HP3458A Settings Voltage HP 3458A Settings Input Frequency NPLC DELAY topline DELAY baseline Du m For all measurements the HP 3458A is in DCV manual ranging with external trigger enabled A convenient method to make these measurements from the HP 3458A s front panel is to program these settings into several of the user defined keys on its front panel For example to make topline measurements at 1 kHz you would set the DMM to NPLC 01 DELAY 0007 TRIG EXT To find the average of multiple readings you can program one of the keys to MATH OFF MATH STAT and then use the RMATH MEAN function to recall the average or mean va
186. med the Calibrator can be found in Chapter 1 The specifications are valid under the following conditions e Calibrator is operated under the conditions specified in Chapter 1 The Calibrator has completed a warm up period of at least twice the length of time the calibrator was powered off up to a maximum of 30 minutes The SC600 Option has been active longer than 5 minutes 6 4 Volt Specifications Table 6 1 Volt Specifications Volt Function Square Wave Signal 1 50 Q Load 1 MO Load 50 Load 1 Load Amplitude Characteristics Range OVtox6 6V OVto 130V 1 mV to 1 mV to 6 6 V p p 130 V p p Resolution Range Resolution 1 mV to 24 999 mV 1 uV 25 mV to 109 99 mV 10 uV 110 mV to 2 1999 V 100 uV 2 2 V to 10 999 V 1mV 11 V to 130 V 10 mV Adjustment Range Continuously adjustable 1 Year Absolute Uncertainty t 0 2596 of t 0 0526 of 0 25 of 0 1 of tcal 5 output output output 40 output 40 uV 40 uV uV 40 uV 2 Square Wave Frequency Characteristics 1 Year Absolute Uncertainty 2 5 ppm of setting tcal 5 Typical Aberration within 4 us from 50 of lt 0 5 of output 100 uV leading trailing edge 1 Selectable positive or negative zero referenced square wave 2 For square wave frequencies above 1 kHz 0 25 of output 40 uV SC600 Option 6 SC600 Specifications 6 5 Edge Specifications Table 6 2 Edge Specifications Edge
187. mn B sqrt Column SD 22 26 rise time 4 edge rise time measured should be less than the time indicated in Table 6 26 Rise time measures between these two points om033i eps Figure 6 8 Edge Rise Time Table 6 26 Edge Rise Time Verification DSO Vertical Calibrator Mainframe Output Axis A B Voltage Frequency mV div Reading Reading Tolerance lt 350 ps lt 300 ps lt 350 ps 10 MHz 100 0 200 0 10 MHz 200 0 6 55 Edge Abberation Verification The following equipment is needed for this procedure 100 0 p80 ps Tektronix 11801 oscilloscope with SD22 26 sampling head e Output cable provided with the SC600 Before you begin this procedure verify that the 5500A SC600 is in the edge mode the Edge menu is displayed and program it to output 1 V p p 1 MHz Press to activate the output 6 38 SC600 Option 6 Verification Connect the Calibrator Mainframe to the oscilloscope refering to Figure 6 7 Set the oscilloscope vertical to 10 mV div and horizontal to 1 ns div Set the oscilloscope to look at the 90 point of the edge signal use this point as the reference level Set the oscilloscope to look at the first 10 ns of the edge signal with the rising edge at the left edge of the oscilloscope display With these settings each vertical line on the oscilloscope represents a 1 aberration Determine that the SC600 falls within the typical specifications shown in Table 6 27
188. mpts you through the entire procedure is built into the 5500A Calibration occurs in the following major steps 1 The 55004 sources specific output values and you measure the outputs using traceable measuring instruments of higher accuracy 2 You enter the measured results either manually through the front panel keyboard or remotely with an external terminal or computer The 5500A computes a software correction factor and stores it in volatile memory 4 When the calibration process is compete you are prompted to either store all the correction factors in nonvolatile memory or discard them and start over For routine calibration all steps except frequency and phase are necessary All the routine calibration steps are available from the front panel interface as well as the remote interface IEEE 488 or serial Frequency and phase calibration are recommended after instrument repair and are available only by way of the remote interface IEEE 488 or serial Remote commands for calibration are described at the end of this chapter Equipment Required for Calibration and Verification The equipment listed in Table 3 1 is required to calibrate and verify performance of the 55004 If a specified instrument is not available you can substitute an instrument that assures a 4 1 Test Uncertainty Ratio 3 3 5500A Service Manual Table 3 1 Required Equipment for Calibration and Verification Test Lead Kit Fluke 5500A Leads Provides test
189. n ac If a 5725A Amplifier is attached 5500A current can also be sourced through the 5725A binding posts The Current assembly works together with the DDS A6 assembly The Filter A12 assembly provides the high current power supplies The Current assembly A7 contains the following blocks A floating supply e Several stages of transconductance amplifier e Current sensing shunts and shunt amplifier These are the accuracy setting elements e AUX voltage function Operating power for the Current assembly is filtered by the Filter assembly A12 Its common is separated from SCOM by a shunt resistor Figure 2 4 is a block diagram of the current function Note that the DDS assembly works together with the Current assembly to generate current outputs DDS Assembly A6 Current Assembly A7 Current IDAC Error Amp AC Converter om006f eps Figure 2 4 Current Function Theory of Operation Voltage Assembly A8 2 6 Voltage Assembly A8 The Voltage assembly A8 generates dc and ac voltage outputs in the range 3 3 V and above It also provides all the inguard supplies referenced to SCOM as described under the heading Power Supplies Figure 2 5 is a block diagram of the voltage function and shows the signal paths for dc and ac voltage outputs The DAC shown in the figure is VDAC which resides on the DDS assembly Note that the voltage amplifier for outputs 23 3 V resides on the Voltage assemb
190. n the following tables and prompts you to make external connections to appropriate measurement instruments 2 The 5500 then goes into Operate or asks you to place it into Operate Calibration and Verification Calibration 3 Youare then prompted to enter into the 5500A the value read on the measurement instrument Note Intermixed with these output and measure procedures are internal 5500A calibration procedures that require no action by the operator 3 6 DC Volts Measure the 5500A output using a precision DMM and enter into the 5500A each of the measured values listed in Table 3 2 when prompted to do so Table 3 2 DC Volts Calibration Steps xw ____________ 3 2 4 9 9 3 7 AC Volts Measure the 5500A output using a precision ac voltmeter and enter into the 5500A each of the measured values listed in Table 3 3 when prompted to do so Table 3 3 AC Volts Calibration Steps ses emos 5500A Service Manual 3 8 Thermocouple Measuring This procedure calibrates the temperature measuring capability of the 5500A by externally measuring a known temperature The connections are shown in Figure 3 1 Mercury Thermometer Ez E 25 E 29 BOD HOB 3 03 2 Oe J type Thermocouple Mineral Oi
191. nalyzer s Peak Search function to find the desired reference signal The Analyzer should show the fundamental and second and third harmonics The harmonics need to be adjusted so that the second harmonic is at 34 dBc and third harmonic should typically be greater than or equal to 39 dBc as shown in Figure 6 29 To adjust the harmonics adjust R8 as shown in Figure 6 29 until the peaks of the second and third harmonic are at the correct dB level You may find that you can place the second harmonic at 34 dBc but the third harmonic is less than 39 dBc If this is the case continue adjusting R8 until the third harmonic is at 39dBc and the second harmonic is SC300 Option 6 SC300 Hardware Adjustments greater than or equal to 34dBc The second harmonic will fluctuate but there is a point at which both harmonics will be at the correct decibel level Figure 6 29 Adjusting the Leveled Sine Wave Harmonics 2nd harmonic 3rd harmonic yg127f eps 6 141 Adjusting the Aberrations for the Edge Function Adjustments need to be made after repair to the edge function to adjust the edge aberrations 6 142 Equipment Setup The following equipment is needed for this procedure e Oscilloscope Tektronix 11801 with SD22 26 input module or Tektronix TDS 820 with 8 GHz bandwidth e 20 dB Attenuator Weinschel 9 20 SMA or Weinschel 18W 20 or equivalent Output cable provided with the SC300 Befor
192. nections For squarewaves the measured value in rms should be exactly 1 2 the nominal value in peak to peak Table 3 32 shows the test points Table 3 32 AC Voltage Amplitude Accuracy Squarewave NORMAL V rms NORMAL ww mw e mw me we um mew pe 9 ew wow wm Sd que o e mem pw ww mv qwe e S mv mw o w wem e 3 36 Calibration and Verification 3 Performance Verification Tests 3 46 AC Voltage Amplitude Accuracy Squarewave AUX The AC Voltage Amplitude Accuracy Squarewave AUX test checks the amplitude accuracy at the AUX terminals For this test use the Fluke 5790 Refer to the 5790A Operator Manual for operating instructions and connections For squarewaves the measured value in rms should be exactly 1 2 the nominal value in peak to peak Table 3 33 shows the test points Table 3 33 AC Voltage Amplitude Accuracy Squarewave AUX Nominal Value Nominal Value Frequency Measured Value Deviation 1 Year Spec p p NORMAL p p AUX rms AUX a 1 300 10Hz Hz 1 mw ww qm ee e mv qw e qw e woo ew le 3 37 5500A Service Manual 3 4
193. nge 2 Voltage Resolution id Output Normal Channel Single Output Mode 2 9 to 65 999 mV 0 01 to 10 Hz Two digits on each range 5510 699999 mV 101045 Fz 056 0659959 V 45 Hz to DENT 6 6 to 65 9999 V ca 206 100 Kz Auxiliary Output Dual Output Mode 66 to 659 999 mV 0 01 to 10 Hz Two digits on each range 1010 45 Hz 0 66 to 6 59999 V 45 Hz to 1 kHz Six digits on each range Tio 10 kHz To convert p p to rms for square wave multiply the p p value by 5000000 Uncertainty is stated in p p Amplitude is verified using an rms responding DMM 1 24 Introduction and Specifications 1 Additional Specifications 1 23 AC Voltage DC Offset Specifications 1 Year Absolute Offset Uncertainty teal 5 P Output dc uV Max Peak Signal Range 2 Normal Channel Offset Range Sine Waves rms 3 3 to 32 999 mV 0 to 50 mV 0 1 33 33 to 329 999 mV 0 1 330 0 33 to 3 29999 V 0 1 3300 3 3 to 32 9999 V 0 1 33 mV Triangle Waves and Truncated Sine Waves 9 3 to 92 999 mV 0 1 93 93 to 929 999 mV 0 1 930 0 93 to 9 29999 V 0 1 9300 9 3 to 92 9999 V 0 1 93 mV Square Waves p p 6 6 to 65 999 mV 0 1 66 66 to 659 999 mV 0 1 660 0 66 to 6 59999 V 0 1 6600 6 6 to 65 9999 V 0 1 66 mV Offsets are not allowed on ranges above the highest range shown above The maximum offset value is determined by the difference between the peak value of the selected voltage outpu
194. nge 7 Ranges Output Resolution Maximum Current Trianglewave amp Truncated Sinewave Frequency 45101 KHz Six digits on each range 11010582 0 01 10 10 Hz Two digis _ 1105945 m 45 to 1 Hz Six cits on each range 110 10 kHz 10 to 45 Hz Two digits 0 93 to 6 19999 A 45 to 1 kHz we Six digits on each range to 5 kHz 621031A 45 to 500 Hz Two digits on each range 500 to 1 kHz Six digits on each range 1 All waveforms are peak to peak output ranges 2 Uncertainty is stated in peak to peak Amplitude is verified using an rms responding DMM 1 Year Absolute Uncertainty 5 C of output of range Output Resolution T 101045 Hz 4510 1 KHz Six digits on each range 1o 10 kHz 0 01 to 10 Hz Two digits 101046 Hz 4510 1 KHz Six digits on each range 110 10 kHz 10 to 45 Hz Two digit 0 66 to 4 39999 A 45 to 1 kHz o Six digits on each range 10 5 kHz 44 0 22A 45 to 500 Hz Two digits on each range 800 to 1 kHz 1 All waveforms are peak to peak output ranges Maximum Squarewave Current Ranges 1 Frequency Six digits on each range 2 Uncertainty is stated in peak to peak Amplitude is verified using an rms responding DMM 1 28 AC Current Square Wave Characteristics typical Setting Time 1 lt 4 4 400 Hz 40 us to 1 of final value 10 for loads 100 1 29 AC Current Triangle Wave Characteristics typical Lineari
195. nglewave characteristics typical 1 31 AC power 45 Hz to 65 Hz summary 1 20 AC voltage non sinewave 1 27 AC voltage 22 AC voltage sinewave extended bandwidth AC voltage dc offset 1 28 AC voltage squarewave characteristics 1 29 AC voltage trianglewave characteristics typical 1 29 Additional 1 24 Capacitance DC current 1 8 DC power summary 1 19 DC voltage general 1 6 Harmonics 2nd SOth 1 25 Phase 1 21 Power and dual output limit 1 21 Power uncertainty 1 23 Resistance SC600 6 6 Temperature Calibration RTD 1 17 Square Wave Voltage Function Trigger Specifications 6 11 Synthesized Impedance assembly A5 Index continued Theory 2 4 T Temperature Calibration RTD Specifications Time Marker function Theory of Operation 6 13 6 72 Verification 6 51 6 107 Time Marker Function Specifications 6 9 Trigger Specifications Trigger Specifications TV Trigger Specifications 6 11 Verification 3 20 AC current amplitude accuracy 3 28 amplitude accuracy high current 3 33 AC power amplitude accuracy high power AC power amplitude accuracy highvoltage AC voltage accuracy with a dc offset 3 40 AC voltage amplitude accuracy AUX 3 27 AC Voltage Amplitude Accuracy NORMAL AC voltage amplitude accuracy squarewaves AUX AC voltage amplitude accuracy squarewaves NORMAL 3 36 AC vo
196. nnector 3 39 DC Power Amplitude Accuracy NORMAL The DC Power Amplitude Accuracy NORMAL test checks the amplitude accuracy of the dc volts at the NORMAL terminals in the presence of DC I at the AUX terminals Apply a short to the AUX terminals to provide a low impedance path for current Table 3 25 shows the test points Table 3 25 DC Power Amplitude Accuracy Test NORMAL Nominal Value Nominal Value Measured Value V Deviation 90 Day Spec 96 NORMAL A NORMAL AUX 3 40 DC Power Amplitude Accuracy AUX The DC Power Amplitude Accuracy AUX test checks the amplitude accuracy of the dc current output at the AUX terminals in the presence of dc voltage at the NORMAL terminals Use the connections shown in Figure 3 2 Table 3 26 shows the test points Table 3 26 DC Power Amplitude Accuracy Test AUX Nominal Value Nominal Value Measured Value A Deviation 90 Day Spec 96 NORMAL AUX AUX 3 32 Calibration and Verification 3 Performance Verification Tests 3 41 AC Power Amplitude Accuracy High Voltage The AC Power Amplitude Accuracy High Voltage test checks the current outputs at the AUX terminals in the presence of a high voltage Use the 5790A A40 and A40A shunts and the shunt adapter as described in the 5790A Operator Manual Table 3 27 shows the test points Table 3 27 AC Power Amplitude Accuracy Test High Voltage Nominal Nominal Frequency Phase Measured Deviation Value Value
197. nts on the A5 assembly are IC U26 relay driver U2 and Z1 1063 DDE FR A5 2W comp open ckt fault Suspect components on the A5 assembly are protection FETs Q13 Q14 Q15 and Q16 R77 and power supply U33 1064 DDE FR A5 2W comp fault Suspect components on the A5 assembly are Q1 Q2 U40 and U35 1065 DDE FR A7 Shunt amp fault 2 2A Suspects include Q33 U20 U24 U6 and Z5 on the A7 Assembly Also suspect is U31 on the A6 assembly 5500A Service Manual 1066 DDE FR A7 Shunt amp fault 3 3 mA Suspects include U6 and Z2 on the A7 assembly 1067 DDE FR A7 Shunt amp fault 33 mA Suspects include U6 and Z2 on the A7 assembly 1068 DDE FR A7 Shunt amp fault 330 mA Suspects include U6 and Z2 on the A7 assembly 1069 DDE FR A7 Shunt amp fault 11 Suspects include K14 K15 U5 R12 R17 R47 R53 and R59 on the A7 assembly 1070 DDE FR A7 Leakage current fault Suspects include U5 U8 U16 U19 U20 and U23 on the A7 assembly 1071 DDE FR A7 Output amp leakage fault Suspects include Q2 Q3 04 Q6 Q7 Q10 U10 U11 U13 U14 and U17 on the A7 assembly On the A97 SIP assembly suspects include Q6 Q9 Q18 Q19 U2 and U3 1072 DDE FR A7 Undercurrent fault 3 3 mA Suspects include U19 U21 and the A97 SIP assembly on the A7 assembly 1073 DDE FR A7 Overcurrent fault 3 3 mA Suspects include U19 U21 and the A97 assembly on the 7 assembly 1074 DDE FR A7 Undercurrent fault 3
198. nuation occurs Wavegen signals are then sent to the SCOPE connector BNC on the front panel The Wave Generator Square Wave is identical to the AC Square Wave Voltage 6 73 5500A Service Manual KA ER eg SEL P I ERE SIR Lm Ea A Ld RE sed RE Lo 1 LF PWB 1 1 500 1 1 1 1 Time Mark II LF Mux 1 1 pps Analog Shaped _ amp o o 2 us 10 us 1 1 1 Time Mark III Oscilloscope Pulse Shaped Calibrator 20 us 1 us Trigger BNC Trigger 1 10 100 1000 1 1 1 1 1 1 1 1 dle CN nS NES MEA ag NICO E ET M REPERI nO NES 1 a FS ea VAT 1 HF PWB Leveled Sine Wave SCOPE i and Time Mark IV Step Attenuator Module Output BNC 1 1 Unleveled HF Mux Leveled 8dB 20dB 20dB PLLs 1 1 Pwr Amp HF Mux Leveling Loop 1 1 External 5 729 Clock In Edge 1 1 Level 1 1 1 1 1 1 1 1 1 1 1 1 1 10 MHz Clock 1 1 1 f RUP SCC EE PUN BUT RUE C E TAIE EEE CO RUE A A AEAN XO CEDERE EERE AO EEE Ue MEE ORE MU aE 0 J om053f eps Figure 6 18 SC300 Block Diagram 6 74 SC300 Option 6 Equipment Required for Calibration
199. ocated near Q29 5 Press the GO ON blue softkey 6 Calibration voltages 33 V and greater will automatically put the Calibrator Mainframe output in standby When this occurs press on the Calibrator Mainframe to activate the output Allow the HP 3458A DC voltage reading to stabilize Enter the reading via the Calibrator Mainframe front panel keypad then press ENTER Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the reading insuring proper multiplier i e m 4 n p If the warning still occurs repair may be necessary 7 Repeatsteps 6 until the Calibrator Mainframe display indicates that the next steps calibrate AC Voltage Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants AC Voltage must now be calibrated continue with the next section AC Voltage Calibration This procedure uses the same equipment and setup as DC Voltage calibration Refer to Figure 6 3 DC voltages are measured and entered in the Calibrator Mainframe to calibrate the AC Voltage function Set up the Calibrator Mainframe to Cal ACV Press OPTIONS and NEXT SECTION blue softkeys until the display reads The next steps calibrate SC600 ACV Then follow these steps to calibrate AC Voltage 1 Press the GO ON blue softkey 2 Allow the HP 3458A DC voltage reading to stabilize Enter the reading via the Calibrator Mainfr
200. ocouple Measuring essen 3 9 DO CUPP MEE 3 10 3 11 AUX DG 3 12 AUX AC M UBI A MR SEA NUUS 3 13 Resistans 3 14 Capacitance 3 12 3 15 Capacitance Four Wire Comp sss 3 14 3 16 luce E 3 14 3 172 NORMAL Volts and AUX Volts 3 15 3 18 Volts and AUX Current Phase 3 15 3 19 Remote Commands for 5500A Calibration 3 16 3 20 Generating a Calibration Report 3 18 3 21 Calibration Shifts Report Printout Format sss 13 18 3 22 Calibration Shifts Report Spreadsheet 3 19 3 23 Calibration Constant Report Printout 3 19 3 24 Calibration Constants Report Spreadsheet 3 20 3 25 Performance Verification Tests sse 3 20 3 26 Zeroing the Calibrator 4 3 20 3 27 DC Voltage Amplitude Accuracy 3 21 3 28 DC Voltage Amplitude Accuracy 3 21 3 29 DC Current Amplitude Accuracy sse 3 22 3 30 Resistance ACGCUFACy iiec cities 3 23
201. oltage listed in Table 6 20 Press on the Calibrator Mainframe to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each voltage in Table 6 20 4 Compare result to tolerance columns 6 29 5500A Service Manual Table 6 19 DC Voltage Verification at 1 L9994V _______ p 4085058V zm 408E0V Gaw 4imE0V Gsw O O esw o o o EO L zmy 488E0V S esw _ sow Jesse 449E0V O asw 1 S 2 asw SA amp EQV 350my 00000687 esw 7880 V osso osm O O A 00 12 7 amy Gav o Jooos O O oons E 90V Lamy amv 94V egy amy osy O O p 0A SS 00V Joos
202. on at 50 2 For the 50 Q verification connect the SCOPE connector to the HP 3458 input using the cable and the 50 Q termination connected to the BNC to Banana Plug adapter Make sure the Calibrator Mainframe impedance is set to 50 Q The blue softkey under Output Z toggles the impedance between 50 and 1 6 84 SC300 Option 6 Verification 1 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 2 Program the Calibrator Mainframe to output the voltage listed in Table 6 50 Press on the Calibrator Mainframe to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each voltage in Table 6 50 Multiply the readings by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Compare result to the tolerance 1 year spec column Table 6 49 DC Voltage Verification at 1 Nominal Value dc Measured Value dc Deviation mV 1 Year Spec mV mew LL mew om mem mem mem wem mom mem wem CE 3 LLL 6 85 5500A Service Manual Table 6 50 DC Voltage Verification at 50 Nominal Value dc Measured Value dc Deviation mV 1 Year Spec mV Cow ww
203. on is 0 01 C 3 Does not include thermocouple error Introduction and Specifications Specifications 1 12 Temperature Calibration RTD Specifications Absolute Uncertainty Absolute Uncertainty Range tcal 5 C Range teal 5 C RTD Type ec 1 1 RTD Type 2 90 days 90 days 2000 90 2000 90 Pt 395 100 0 10 30 oo Praes 109260 oo oo 30 40 00 01 500 40 60 oo ooo 90 65 00 Pt 3926 i00 10130 oo 00 300140 009 040 Pree 10008 2605300 0 40 60 oo Sese oo oo paises soo oo 13816 oo 12 30 40 0 08 09 cuar 100 Pt 385 600 to 630 1 Resolution is 0 003 C 2 Applies for COMP OFF to the 5500A Calibrator front panel NORMAL terminals and 2 wire and 4 wire compensation 3 Based on MINCO Application Aid No 18 1 5500A Service Manual 1 13 DC Power Specification Summary Absolute Uncertainty tcal 5 of Watts output Voltage Range 5500A Calibrator Current Range 3 3 to 8 999 mA 9 to 32 999 mA 33 to 89 99 mA 90 to 329 99 mA ________ Range 0351008999 031921999A 22 44999 4510 oo 5725A Amplifier Current Range a wwe egg 1 To determine dc power uncertainty with more precision see the individual DC Vo
204. on must be calibrated certified traceable if traceability is to be maintained and operating within their normal specified operating environment It is also important to ensure that the equipment has had sufficient time to warm up prior to its use Refer to each equipment s operating manual for details Before you begin calibration you may wish to review all of the procedures in advance to ensure you have the resources to complete them The Calibrator Mainframe first prompts the user to calibrate the DC Voltage function If another function is to be calibrated alternately press the OPTIONS and NEXT SECTION blue softkeys until the desired function is reached 6 29 Calibration and Verification of Square Wave Voltage 6 30 6 31 Functions The Voltage Edge and Wave Generator functions have square wave voltages that need to be calibrated or verified The HP3458A digital multimeter can be programmed from either the front panel or over the remote interface to make these measurements Overview of HP3458A Operation The Hewlett Packard 34584 digital multimeter is setup as a digitizer to measure the peak to peak value of the signal It is set to DCV using various analog to digital integration times and triggering commands to measure the topline and baseline of the square wave signal Setup for SC600 Voltage Square Wave Measurements By controlling the HP 3458A s integration and sample time it can be used to make accurate repeatable
205. opriate for the voltage and plug configuration in your country Use only a power cord that is in good condition Refer power cord and connector changes to qualified service personnel DO NOT OPERATE IN EXPLOSIVE ATMOSPHERES To avoid explosion do not operate the instrument in an atmosphere of explosive gas DO NOT REMOVE COVER DURING OPERATION To avoid personal injury or death do not remove the instrument cover without first removing the power source connected to the rear panel Do not operate the instrument without the cover properly installed Normal calibration is accomplished with the cover closed Access procedures and the warnings for such procedures are contained both in this manual and in the Service Manual Service procedures are for qualified service personnel only DO NOT ATTEMPT TO OPERATE IF PROTECTION MAY BE IMPAIRED If the instrument appears damaged or operates abnormally protection may be impaired Do not attempt to operate the instrument under these conditions Refer all questions of proper instrument operation to qualified service personnel Table of Contents Chapter Title 1 Introduction and Specifications eren l l nttoductiono P e e Ert 1 2 Service Information re it HR RE AREE ze 1 3 Specifications re ERR 1 4 General Specifications sssssssssesseeee eene 1 5 D
206. or Calibrating Four Wire Ohms 5500A Service Manual Table 3 8 Resistance Calibration Steps me LLL ESSET e 5 2 o Ts sa Sid SSCS oma s ma 12 s e Ce e E ECKEN Ce oe E Lm se E Ce we S 09m 9 wm E m m y owm S m mwm E ow E m swe o S Ca oo De o sw 1 7 ow S y omw S y Calibration and Verification 3 Calibration Table 3 8 Resistance Calibration Steps cont 1 Perform this test using the HP 34584 in the 10 MQ range and the Fluke 742A 10M in parallel with the 55004 output Using exactly 10 the nominal value displayed on the HP 3458A is 9 66667 Figure 3 4 shows the connections and the equation you use to calculate actual resistance Enter the calculated actual resistance into the HP 3458A In the equation R reading of the HP 3458A R is the printed value of the 742A 10M R is the 3458 is the actual 5500A UUT R 742 3456 R3458 HP3458 4W Ohms Function 742A 10M om011f eps Figure 3 4 High End Resistance Connections with Equation 5500A Service Manual 3 14 Capacitance Use the Fluke 6304C LCR Meter with PM9540 BAN
207. ossible Refer to Figure 6 37 Now adjust R57 until this first ledge is on the horizontal center line When you make this adjustment the ledge will lose some of its flatness Return to R1 and flatten the ledge as much as possible Then return to R57 and try to position the ledge on the center line while keeping it as flat as possible You want to achieve the best combination of flatness and position As you make these adjustments make sure the peak remains between 4 ns and 6 ns It Is possible to achieve a very flat ledge close to the horizontal center but if the peak 15 too high or too low then the aberrations will not be properly adjusted SC300 Option SC300 Hardware Adjustments for the A4 Board Typically this board shows aberrations of 1 Note Aberration adjustments are interactive with rise time adjustments When you have completed this aberration adjustment verify the edge rise time to ensure that it remains within tolerance If it does not repeat the aberration and rise time adjustments until you achieve the best compromise within the listed tolerance levels R57 20 ns om042f eps Figure 6 36 Adjusting the Peak Base with R57 Adjust R1 so the first 2ns are as flat as possible R1 om043f eps Figure 6 37 Adjust the Ledge Flatness with R1 6 121 5500A Service Manual 6 122 6 154 6 155 6 156 Adjusting the Ri
208. ould be below the levels listed in the tolerance column of Table 6 60 Table 6 60 Leveled Sine Wave Harmonics Verification Calibrator Mainframe Output Frequency 5 5 V p p 6 99 5500A Service Manual 6 127 6 128 Leveled Sine Wave Flatness Verification Leveled Sine Wave flatness verification is divided into two frequency bands 50 kHz to 10 MEz low frequency and gt 10 MHz to 300 MHz high frequency The equipment setups are different for each band Leveled Sine Wave flatness is measured relative to 50 kHz This is determined directly in the low frequency band The high frequency band requires a transfer measurement be made at 10 MHz to calculate a flatness relative to 50 kHz Equipment Setup for Low Frequency Flatness low frequency flatness procedures use the following equipment 5790 03 AC Measurement Standard with Wideband option e BNC f to Type N m adapter BNC cable supplied with the SC300 Connect the Calibrator Mainframe SCOPE connector to the 57904 WIDEBAND input with the BNC f to Type N m adapter as shown in Figure 6 25 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on E E93 9 5 OOO OOO OOO BOO om034f eps Figur
209. oving the Encoder A2 and Display PCAs Proceed as follows to remove the Encoder PCA A2 and display pca s Figure 4 2 shows an exploded view of the front panel assemblies 1 Remove top and bottom covers 2 With the bottom side up unplug all the cables going to the front panel One of these cables is fastened by a cable tie that must be cut then replaced with a new one when reassembling Remove the two front handles by removing the six Allen screws from the handles 4 Remove the front panel The Encoder A2 and display pca s are now accessible Removing the Keyboard and Accessing the Output Block To remove the keyboard and access the output block proceed as follows 1 Do all four steps of the previous procedure 2 Unlatch the plastic catches that fasten the front panel together 3 Remove the four Phillips screws that are around the output block 4 Remove the output cables 5 Separate the two main parts of the front panel Maintenance 4 Access Procedures Figure 4 1 Exploded View of Rear Panel Assemblies 4 5 5500A Service Manual Figure 4 2 Exploded View of Front Panel Assemblies om017f eps 4 9 4 10 4 12 Maintenance 4 Diagnostic Testing Diagnostic Testing 55004 internal software provides extensive self testing capabilities In case of a malfunction this is an excellent place to begin testing to isolate a faulty module Note Self tests should only be r
210. ow the fundamental and second and third harmonics The harmonics need to be adjusted so that the second harmonic is at 40 dBc and third harmonic should typically be at 50 dBc as shown in Figure 6 32 To adjust the harmonics adjust R8 as shown in Figure 6 32 until the peaks of the second and third harmonic are at the correct dB level You may find that you can place the second harmonic at 40 dBc but the third harmonic is not at 50 dBc If this 15 the case continue adjusting R8 The second harmonic will fluctuate but there is a point at which both harmonics will be at the correct decibel level SC300 Option SC300 Hardware Adjustments for the A4 Board R8 2nd harmonic 6 150 6 151 om038f eps Figure 6 32 Adjusting the Leveled Sine Wave Harmonics Adjusting the Aberrations for the Edge Function Adjustments need to be made after repair to the edge function to adjust the edge aberrations There are two SC300 boards currently available and each requires separate aberration adjustment procedures thus certain procedure headings include specific part numbers The two boards are listed below Check the part number of your board before you begin aberration adjustments If you are not certain which board you have contact your Fluke Service Center e SC300 Board 5500A 4004 1 Fluke PN 600749 e SC300 Board 5500A 4004 Fluke PN 937383 Note To verify the edge aberrations back to national
211. personal injury or loss of life CAUTION statements identify conditions or practices that could result in damage to equipment SYMBOLS MARKED ON EQUIPMENT WARNING Risk of electric shock Refer to the manual see the Index for references L GROUND Ground terminal to chassis earth AN Attention Refer to the manual see the Index for references This symbol indicates that information about usage of a feature is contained in the manual This symbol appears on the rear panel ground post and by the fuse compartment AC POWER SOURCE The instrument is intended to operate from an ac power source that will not apply more than 264V ac rms between the supply conductors or between either supply conductor and ground A protective ground connection by way of the grounding conductor in the power cord is required for safe operation USE THE PROPER FUSE To avoid fire hazard for fuse replacement use only the specified unit 110 or 120 V operation 2 5 ampere 250 volt time delay 220 or 240 V operation 1 25 ampere 250 volt time delay GROUNDING THE INSTRUMENT The instrument utilizes controlled overvoltage techniques that require the instrument to be grounded whenever normal mode or common mode ac voltages or transient voltages may occur The enclosure must be grounded through the grounding conductor of the power cord or through the rear panel ground binding post USE THE PROPER POWER CORD Use only the power cord and connector appr
212. played during the first 10 ns to be equally above and below the reference level Check the aberrations compare with specifications It may be necessary to slow the rise time A90R35 to reduce the amplitude of the aberrations 8 Setthe UUT output to 2 5 V and the oscilloscope vertical to 2 mV div Check the aberrations 9 Remove the 20 dB attenuator from the oscilloscope input Connect the UUT to the scope input and program the UUT output to 250 mV 10 Set the oscilloscope vertical to 5 mV div Check the aberrations 11 Check for rise time 950 ps 25 ps at 250 mV 1 V and 2 5 V outputs 1st Aberration 2nd Aberration 3rd Aberration om050f eps Figure 6 30 Adjusting Edge Aberrations SC300 Option SC300 Hardware Adjustments for the A4 Board 6 144 SC300 Hardware Adjustments for the A4 Board 6 145 6 146 6 147 6 148 Hardware adjustments must be made to the leveled sine and edge functions each time the SC300 is repaired In addition to the adjustment procedures this section provides lists of the required equipment and some recommendations on models that have the capabilities required by these procedures Equivalent models can be substituted 1f necessary Equipment Required The following equipment is necessary for performing the hardware adjustments described in this section The models listed are recommended for providing accurate results e Standard adjustment tool for adj
213. plitude Accuracy The AC Voltage Amplitude Accuracy test verifies the accuracy of ac current at the 5500 Calibrator front panel AUX terminals Use a Fluke 5790A with the appropriate precision shunts and adapter to measure the 55004 output Refer to the 5790A Operator Manual for operating instructions and connections See Figure 3 2 for connections and see Table 3 5 for shunt information Table 3 20 shows the test points Table 3 20 AC Current Amplitude Accuracy Test Nominal Value Frequency Measured Value Deviation 90 Day Spec A AUX 33 10 kHz 190 uA 1 kHz EM mw om mw em a pee m sw ow mm e _ mm fee hem e _ Hem foe mm mm fee mm e mm fee mm ww Rom e _ m foe Dem pe em ww mm wm oo mam em mm e 3 28 Calibration and Verification 3 Performance Verification Tests Table 3 20 AC Current Amplitude Accuracy Test cont Nominal Value Frequency Measured Value Deviation 90 Day Spec A AUX 32 9 mA 10 kHz 221 27 Dmm foe mm om Emm em mm pe _ mm sw _ mm ww fossa e ma sm m em mw _ sm a wmm a pe mao em Da sm m o fe o 3 35 Capacitance Accuracy The Capacitance Accuracy test verifies the a
214. put amp fault Suspect ICs on the A5 assembly include U34 U20 U8 U7 O4 and Q3 as well as the 17 and 17 V supplies and their associated circuitry 1042 DDE FR A5 lo comp amp fault Suspect ICs on the A5 assembly include U3 U37 04 U5 and U7 1043 DDE FR A5 coarse ZDAC fault Suspect ICs on the A5 assembly include U25 U1 U24 U39 and U4 1044 DDE FR A5 fine ZDAC fault Suspect ICs on the A5 assembly include U22 or 023 and U4 1045 DDE FR A5 inverting amp fault Suspect ICs on the A5 assembly include U24 U1 and relay K16 and respective relay driver U30 1046 DDE FR A5 X2 45 input amp fault Suspect ICs on the A5 assembly include U20 Q3 O4 and noninverting amp U34 in X2 45 gain mode as well as U3 and U10 1047 DDE FR A5 input amp fault Suspect ICs on the A5 assembly include U20 Q3 O4 and noninverting amp U34 in X3 08 gain 1048 DDE FR A5 X13 1 input amp fault Suspect ICs on the A5 assembly include U20 Q3 O4 and noninverting amp U34 in X13 1 gain mode 1049 DDE FR A5 input leakage fault Suspect ICs the A5 assembly include Q3 04 U34 and analog MUXs 026 U27 U29 1050 DDE FR A5 offset comp fault Suspect components on the A5 assembly IC U4 and resistor R17 1051 DDE FR A5 input voltage detect fault On the A5 assembly suspect circuits are the 17 V supplies Zener diodes VR4 and VR3 may be regulating too low but may be withing tolerance
215. r V p p 10 kHz V rms square 32 500 mV square 66 100 mV sine 250 00 uV sine 430 00 uV sine 1 450 mV sine j 3 370 mV sine i 13 570 mV sine 32 500 mV sine 66 100 triangle 250 00 uV triangle 3464 430 00 uV 6 136 SC300 Hardware Adjustments Note Before beginning SC300 hardware adjustments it must determined which revision of the option is installed in the instrument To do this remove the top cover of the calibrator and look at the circuit board tab protruding through the guard cover that is closest to the right front corner of the calibrator If this tab is marked A4 proceed to the SC300 Hardware Adjustments for the A4 Board section of this manual Hardware adjustments must be made to the leveled sine and edge functions each time the SC300 is repaired In addition to the adjustment procedures this section provides lists of the required equipment and some recommendations on models that have the capabilities required by these procedures Equivalent models can be substituted if necessary 6 111 5500A Service Manual 6 112 6 137 6 138 6 139 6 140 Equipment Required The following equipment is necessary for performing the hardware adjustments described in this section The models listed are recommended for providing accurate results Standard adjustment tool for adjusting the pots and trimmer caps e Extender Card pn 661865 5800A 7006K Extender Kit e Oscilloscope
216. r INPUT SENSE LO to the 55004 NORMAL LO Enter the LCR reading into the 5500A when prompted The LCR meter should nominally read 400 pF with a 1 kHz 2 V rms stimulus Note Make sure there are no other connections to the 55004A especially the SCOPE BNC Connecting any additional grounds to the 55004 can cause erroneous capacitance outputs Input sense high to AUX high PM6304C 5500 Gem 2 Input sense LO to normal LO om013f eps Figure 3 6 Connections for Four Wire Compensated Capacitance Note The remaining steps in the calibration procedure are not necessary unless the 55004 has been repaired They are called Factory Cal and are accessible only via the remote interface 3 16 Frequency Frequency calibration is only accessible by remote command See Remote Commands for 5500A Calibration later in this chapter In remote you can jump to Frequency calibration by sending the command CAL START FACTORY In Frequency calibration the 5500A outputs 3 V 500 kHz Measure the frequency with a precision counter Enter the frequency reading into the 5500A when prompted by the 5500A 3 17 NORMAL Output Terminals Calibration and Verification 3 Calibration NORMAL Volts and AUX Volts Phase NORMAL volts and AUX volts phase calibration 15 only accessible by remote command See Remote Commands for 55
217. r as shown in Figure 6 10 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on E E93 9 5 OOO OOO OOO BOO om034f eps Figure 6 10 Connecting the Calibrator Mainframe to the 5790A AC Measurement Standard 6 62 Equipment Setup for High Frequency Flatness 6 44 All high frequency flatness procedures use the following equipment e Hewlett Packard E4418A Power Meter e Hewlett Packard 8482A and 8481D Power Sensors BNC f to Type N f adapter e BNC cable supplied with the Calibrator Mainframe Note When high frequencies at voltages below 63 mV p p are verified use the 8481D Power Sensor Otherwise use the 8482A Power Sensor SC600 Option 6 Verification Connect the HP E4418A Power Meter to either the 8482A or the 8481D Power Sensor as shown in Figure 6 11 For more information on connecting the two instruments see the power meter and power sensor operators manuals Connect the power meter power sensor combination to the SCOPE connector on the Calibrator Mainframe as shown in Figure 6 12 The Hewlett Packard E4418A Power Meter must be configured by setting the parameters listed below Zero and self calibrate the power meter with the power sensor being used Refer
218. r for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry SC600 Option 6 Verification Table 6 36 High Frequency Flatness Verification at 70 mV Calibrator Calibrator Mainframe Mainframe Flatness Spec EC NN MHz 11 dex J 20 1 90 ___ o J Pee OE seo P too e PL ___ _ so se so _ too peo to Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 37 High Frequency Flatness Verification at 250 mV Calibrator e Calibrator Mainframe Mainframe Flatness Spec E ORBE MHz NUR 20 _ 9022 80 Soo J 30 J 40 oo 480 pge 1 p LL gue IM y 50 oo eo J J 0
219. r on the PM 6680 as indicated in the table 4 Program the Calibrator Mainframe to output as listed in Table 6 30 Press on the Calibrator Mainframe to activate the output 5 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 6 30 Table 6 30 Leveled Sine Wave Frequency Verification Calibrator Mainframe PM 6680 Settings PM 6680 Reading Tolerance Frequency output amp 5 5 V p p Channel Filter Frequency 125 Hz 1250 Hz 5 I 6 41 5500A Service Manual 6 59 Leveled Sine Wave Harmonics Verification This procedure uses the following equipment Hewlett Packard 8590A Spectrum Analyzer e BNC f to Type N m adapter BNC cable supplied with the SC600 Refer to Figure 6 9 for proper setup connections HP 8590 5500 5 600 FLUKE 5500A CALIBRATOR BNC F to Type N M Adapter om059f eps Figure 6 9 Leveled Sine Wave Harmonics Verification Setup Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Then follow these steps to verify the leveled sine wave harmonics 1 Using the BNC cable and BNC f to Type N m adapter connect the SCOPE connector on the Calibrator Mainframe to the HP 8590A 2 Program the Calibrator Mainframe to 5 5 V p p at each frequency listed in Table 6 31 Press on the Calibrator Mainframe to activate the output 3 Set HP 8590A start frequency
220. rdous materials handler Contact your authorized Fluke service center for recycling information 5 4 Parts Lists The following tables list the replaceable parts for the 5500A Multi Product Calibrator Parts are listed by assembly alphabetized by reference designator Each assembly is accompanied by an illustration showing the location of each part and its reference designator The parts lists give the following information e Reference designator e An indication if the part is subject to damage by static discharge e Description e Fluke stock number e Total quantity e Any special notes 1 factory selected part Caution A symbol indicates a device that may be damaged by static discharge 5 4 Reference Designator Table 5 1 Chassis Assembly Description MOTHERBOARD PCA SYNTHESIZED IMPEDANCE PCA DDS PCA CURRENT PCA LOW CURRENT AMPLIFIER PCA VOLTAGE PCA FILTER PCA SCREW CAP SCKT SS 8 32 375 SCREW FHU P LOCK SS 6 32 250 SCREW PH P LOCK SS 6 32 500 SCREW PH P LOCK STL 6 32 250 ASSEMBLY CHASSIS RIVETED COVER INSTRUMENT TOP COVER INSTRUMENT BOTTOM COVER ANALOG TOP EXTRUSION SIDE INSERT PLASTIC SIDE PUSH ROD BOTTOM FOOT MOLDED GRAY AIDE PCB PULL LABEL CALIB CERTIFICATION SEAL CABLE ACC CLAMP 187 ID SCREW MOUNT CABLE ACCESS TIE 4 00L 10W 75 DIA 937375 937388 937391 937396 945332 937404 945337 295105 320093 320051 152140 945175 937073 937078
221. re provided in Table 6 15 under Equipment Requirements for Calibration and Verification The calibration and verification procedures in this chapter are not the ones Fluke uses at the factory These procedures have been developed to provide you with the ability to calibrate and verify the SC600 at your own site if necessary You should review all of the procedures in advance to make sure you have the resources to complete them It is strongly recommended that if possible you return your unit to Fluke for calibration and verification Hardware adjustments that are made after repair at the factory or designated Fluke service centers are provided in detail Maintenance There are no maintenance techniques or diagnostic remote commands for the SC600 that are available to users If your SC600 is not installed or not receiving power the following error message appears on the display when you press to access the oscilloscope calibration menus 4 2 5 5 2 5 IF THIS MESSAGE IS DISPLAYED AND YOU HAVE THE SC600 INSTALLED in your Calibrator Mainframe you must return the Calibrator Mainframe to Fluke for repair If you wish to purchase the SC600 contact your Fluke sales representative 6 5 5500A Service Manual 6 3 SC600 Specifications These specifications apply only to the SC600 Option General specifications that apply to the Calibrator Mainframe hereafter ter
222. rtainty is 1 5 of output for 95 to 105 V p p signals in the frequency range 10 Hz to 100 Hz and 0 5 of output in the frequency range 1 kHz to 10 kHz From 95 V to 105 V the output is a square wave type signal that alternates between the negative peak and the positive peak with the centerline at 10 V If the oscilloscope you are calibrating requires a fixed period for the square wave s peak to peak amplitude you may need to adjust the Calibrator Mainframe s frequency output to accommodate for this waveform For example the Fluke ScopeMeter has a calibration point at 1 kHz 1 ms 100 V peak to peak To output a period of 1 ms at 100 V peak to peak use a frequency of 356 Hz SC300 Option 6 SC300 Specifications 6 87 Edge Function Specifications Edge Characteristics into 50 1 Year Absolute Uncertainty 5 Amplitude Range p p 4 5 mV to 2 75 V 2 of output 200 uV Resolution 4 digits Adjustment Range t 1096 around each sequence value indicated below Sequence 5 mV 10 mV 25 mV 50 mV 100 mV 250 mV 500 1 V 2 5 Frequency Range 1 kHz to 1 MHz t 25 ppm of setting 15 mHz Leading Edge Aberrations 3 of output 2 mV wwanwom wem SCS 6 69 5500A Service Manual 6 88 Leveled Sine Wave Function Specifications Leveled Sine Wave Frequency Range Characteristics into 50 kHz Reference 50 kHz to 100 MHz 100 to 300 MHz 1 50 0 Amplitude Characteristics Range p p
223. s ww 00002 00007 Note For this application if making measurements of a signal gt 1 kHz the HP 3458A has been known to have 05 to 1 peaking in the 100 mV range For these signals lock the HP 3458 to the 1 V range SC300 Option 6 Calibration and Verification of Square Wave Functions HP 3458A SC300 Cable 5500A SC300 FLUKE 5500A CALIBRATOR 50 Q Feedthrough Termination BNC F to Double Banana Adapter om062f eps Figure 6 19 Equipment Setup for SC300 Square Wave Measurements For all measurements the HP 3458A is in DCV manual ranging with level triggering enabled A convenient method to make these measurements from the HP 3458A s front panel is to program these settings into several of the user defined keys on its front panel For example to make topline measurements at 1 kHz you would set the DMM to NPLC 01 LEVEL 1 DELAY 0002 TRIG LEVEL To find the average of multiple readings you can program one of the keys to MATH OFF MATH STAT and then use the RMATH MEAN function to recall the average or mean value Refer to Figure 6 19 for the proper connections 6 104 DC Voltage Calibration This procedure uses the following equipment Hewlett Packard 3458A Digital Multimeter e 50 feedthrough termination as required in the calibration procedure e Shorted Dual Banana Connector BNC f to Double Banana adapt
224. s for recording the Measured Value and Deviation Zeroing the Calibrator Zeroing recalibrates internal circuitry most notably dc offsets in all ranges of operation To meet the specifications in Chapter 1 zeroing is required every 7 days or when the 5500A Calibrator ambient temperature changes by more than 5 C Zeroing is particularly important when your calibration workload has 1 mQ and 1 mV resolution and when there are significant temperature changes in the 5500A Calibrator work environment There are two zeroing functions total instrument zero ZERO and ohms only zero OHMS ZERO Complete the following procedure to zero the calibrator Note The 5500A Calibrator rear panel CALIBRATION switch does not have to be enabled for this procedure 1 Turnon the Calibrator and allow a warmup period of at least 30 minutes 2 Press the key 3 Install a copper short circuit in the front panel TC connector total instrument zero only Press the key opening the setup menu Press the CAL softkey opening the calibration information menu Press the CAL softkey Press the ZERO softkey to totally zero the 5500A Calibrator press the OHMS ZERO softkey to zero only the ohms function After the zeroing routine 15 complete several minutes press the key to reset the calibrator we GA Calibration and Verification 3 Performance Verification Tests 3 27 DC Voltage Amplitude Accuracy NORMAL The DC Voltage Amplitude Accur
225. s required after the DC Voltage is calibrated The Calibrator Mainframe must complete a warm up period and the SC300 must be enabled for at least 5 minutes prior to calibration to allow internal components to thermally stabilize The Calibrator Mainframe warm up period is at least twice the length of time the calibrator was powered off up to a maximum of 30 minutes The SC300 is enabled by pressing the front panel key The green indicator on the key will be illuminated when the SC300 is enabled Much of the SC300 can be calibrated interactively from the front panel Enable the SC300 and wait at least 5 minutes Enter Scope Cal mode by pressing the front panel key CAL blue softkey second CAL blue softkey and SCOPE CAL blue softkey Entering Scope Cal mode prior to having the SC300 enabled for at least 5 minutes will cause a warning message to be displayed equipment specified for SC300 calibration must be calibrated certified traceable 1f traceability is to be maintained and operating within their normal specified operating environment It is also important to ensure that the equipment has had sufficient time to warm up prior to its use Refer to each equipment s operating manual for details Before you begin calibration you may wish to review all of the procedures in advance to ensure you have the resources to complete them 6 77 5500A Service Manual 6 78 The Calibrator Mainframe first prompts the user to calibrate the DC Vo
226. s to remove the Main CPU PCA 1 Remove the 3 16 jack screws from the SERIAL 1 SERIAL 2 and BOOST AMPLIFIER connectors 2 Remove the 1 4 jack screws from the IEEE 488 connector 3 Remove the three Phillips screws from the right side of the rear panel 4 Remove the ribbon cable from the Main CPU A9 There 15 not much room but the cable is reachable 5 Liftout the Main CPU PCA 4 3 5500A Service Manual 4 4 4 5 4 6 Removing Rear Panel Assemblies Proceed as follows to remove the transformer and the ac line input filter Figure 4 1 shows an exploded view of the rear panel assemblies 1 Remove the two rear handles by removing the six Allen screws from the handles 2 Remove the eight Phillips screws from the bottom cover 3 Remove the bottom cover 4 Remove the three Phillips screws that are accessible through holes in the bottom flange e Remove the power switch pushrod Remove the rear panel There are three large cables plus one for fan power This assumes that you have already removed the Main CPU A9 If the Main CPU is still installed there will be one more cable Removing the Filter PCA A12 Proceed as follows to remove the Filter PCA A12 1 Remove the top cover and guard box cover as described under Removing Analog Modules 2 Remove all the analog modules Remove the five Phillips screws from the front side of the rear guard box wall 4 Liftoutthe Filter PCA Rem
227. se Time for the Edge Function This procedure adjusts the edge rise time and must be performed after repair Both boards use the same procedure to adjust the rise time Equipment Setup Before you start this procedure program the Calibrator Mainframe to output 250 mV p p 100 kHz Program the digital storage oscilloscope to the parameters listed below Digital Storage Oscilloscope Setup Vertical Axis 50 mV div Horizontal Axis 1 ns div Function Rise Time Adjusting the Edge Rise Time Only one adjustment needs to be made to the edge rise time You want a rise time of 950 ps 25 ps To achieve this rise time adjust until this rise time on the oscilloscope is within this range as shown in Figure 6 38 Rise time measures between these two points 1 E om044f eps Figure 6 38 Adjusting the Edge Rise Time with C1 5 5500 phase specifications A AC current non sinewave specifications 1 30 AC current sinewaves extended bandwidth specifications 1 29 AC current sinewaves specifications 1 13 AC current squarewave characteristics typical 1 31 AC current trianglewave characteristics typical 1 31 AC power 45 Hz to 65 Hz specification summary 1201 AC voltage non sinewave specifications 1 27 AC Voltage sinewave extended bandwidth 4 2 1 1 voltage sinewave specifications 1 10 AC Voltage frequency function Verification
228. spect components on the A8 assembly include U1 Q1 through Q4 Q6 Q16 Q17 R10 R13 and R17 through R19 1016 DDE FR A6 33 mV AC fault Suspects include U41 U57 U21 and Z8 on the A6 assembly 1017 DDE FR A6 330 mV AC fault Suspects include U41 U57 U21 and Z8 on the A6 assembly 1018 DDE FR A6 3 3V AC fault Assuming the ACV LOOP test passes suspect ICs include U41 U57 U21 and U87 1019 DDE FR A8 33V AC fault Suspect components on the A8 assembly include U1 Q1 through Q4 Q6 Q16 Q17 R10 R13 and R17 through R19 1020 DDE FR A6 vloop error amp fault The primary suspect is U60 Other possible suspects include U15 and U48 all on the A6 assembly 1021 DDE FR A6 3 3V amp fault The primary suspect is U42 Another suspect is U48 both on the assembly 1022 DDE FR A6 polarity inverter fault The primary suspect IC is U87 on the A6 assembly 4 8 Maintenance 4 Diagnostic Testing 1023 DDE FR 3 3V sense buffer fault Suspect ICs are U21 U57 and U26 on the A6 assembly If one of these Ics is bad it will cause faults on the other sense buffer tests as well Other suspects on the A6 assembly include relay K3 and resistor network Z5 1024 DDE FR 33V sense buffer fault Assuming the 46 sense buffer 3 3 V test passed suspects are relay K2 and resistor network Z5 1025 DDE FR A6 330V sense buffer fault Assuming previous 46 sense buffer tests passed suspe
229. t Input Impedance Mode Resistance The reference resistors for this mode are on the A50 board while the DCV reference signal and measuring signals are on the A6 DDS board Input Impedance Mode Capacitance Capacitance measurement circuits are contained on the A50 SC600 Scope Option board utilizing signals from the leveled sine wave source If there are faults associated only with capacitance measurement the A50 board most likely needs replacement Overload Mode The source voltage for the overload mode is generated on the A51 Voltage Video board of the A50 SC600 Option board The voltage is applied to the external 50 load and the circuit current is monitored by the A6 DDS board 6 13 5500A Service Manual LF PWB 500 i Time Mark II LF Mux 1 1 F Analog Shaped gt o 2 us 10 us DDS Oscilloscope Calibrator Pulse Shaped ess 20us 1 us Trigger BNC Trigger i i 1 10 100 1000 HF PWB Leveled Sine Wave SCOPE and Time Mark IV Step Attenuator Module Output BNC Unleveled HF Mux i Leveled 1 Og o O9 detect 1 PLLs 1 Pwr Amp Leveling Loop External po Clock Edge Level 1 10 MHz Clock 4 80600 Option omO31f eps Figure 6 1 SC600 Block Diagram 6 14 SC60
230. t Column D entry Table 6 68 High Frequency Flatness Verification at 3 4 V Calibrator Mainframe Calibrator Mainframe Freq MHz Flatness Spec 2 O s ets o 2 0 o e20 100V e 20 2 20 2 0 0 2 J Complete Columns A E as follows A Enter the E4418A present frequency Reading W B Enter the E4418A 10 MHz Reading W C Apply power sensor correction factor for present frequency W CF Column A entry D Apply power sensor correction factor for 10 MHz W CF Column B entry E Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry SC300 Option 6 Verification 6 132 Time Marker Verification This procedure uses the following equipment PM 6680 Frequency Counter with a prescaler for the Channel C input Option PM 9621 PM 9624 or PM 9625 and ovenized timebase Option PM 9690 or PM 9691 BNC f to Type N m adapter BNC cable supplied with the SC300 Refer to Figure 6 21 for the proper setup connections Set the PM 6680 s FUNCTION to measure frequency with auto trigger measurement time set to 1 second or longer and 50 Q impedance Set the Calibrator Mainframe to SC
231. t and the allowable maximum peak signal For example a 10 V p p square wave output has a peak value of 5 V allowing a maximum offset up to 50 V to not exceed the 55 V maximum peak signal The maximum offset values shown above are for the minimum outputs in each range For frequencies 0 01 to 10 Hz and 500 kHz to 2 MHz the offset uncertainty is 5 of output 1 of the offset range 1 24 AC Voltage Square Wave Characteristics Rise Time Settling Time Overshoot 1 kHz 1 kHz 1 kHz Duty Cycle Range Duty Cycle Uncertainty 1 Typical Typical Typical 0 8 96 of period 140 ns for 10 us to 1 96 1 96 to 99 3 3 V p p frequencies gt 10 kHz 0 8 96 of of final value 0 01 Hz to 100 kHz period 2 us for frequencies 10 kHz 1 duty cycles of 10 00 to 90 00 96 1 25 AC Voltage Triangle Wave Characteristics typical Linearity to 1 kHz 0 3 of p p value from 10 to 90 point 1 96 of p p value with amplitude gt 50 of range 1 26 AC Current Sine Wave Extended Bandwidth Specifications 1 Year Absolute Uncertainty tcal 5 C Maximum Range Frequency of output of range Current Resolution Output All current ranges lt 330 mA 0 01 to 10 Hz 2 digits each range Po 10 Hz to 10 kHz See AC Current Sine Wave Specifications 1 25 5500A Service Manual 1 27 Current Non Sinewave Specifications 1 Year Absolute Uncertainty 5 C of output of ra
232. t the Ledge Flatness with 1 Adjusting the Edge Rise Time with Power SensOLD aed eec re Coo E e Dp a dS xii EERE 1 Us UA dcus CA Ax L A LL LL LL Lm ui Chapter 1 Introduction and Specifications rit rer E EORR Ev HE Service Information sessssssseseeeseeee nennen rennen Specifications RUE Re General Specifications sese ener DC Voltage Specifications sss DC Current Specifications essen Resistance Specifications 1 044 AC Voltage Sine Wave AC Current Sine Wave Specifications sss Capacitance 8 140001 Temperature Calibration Thermocouple Specifications Temperature Calibration RTD DC Power Specification Summary sse AC Power 45 Hz to 65 Hz Specification Summary PF 1 Power and Dual Output Limit
233. t the factor is correct then press the power meter ENTER key 5 Adjust the amplitude using the Calibrator Mainframe front panel knob until the power sensor reading matches the 10 MHz reference within 0 1 6 Repeat steps 1 to 5 until the Calibrator Mainframe display indicates that either the reference frequency is now 50 kHz or that the next steps calibrate pulse width Repeat the low frequency calibration procedure for the next amplitude unless the Calibrator Mainframe display indicates that the next steps calibrate pulse width Press 6 83 5500A Service Manual the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants 6 111 Verification of the Oscilloscope Calibration functions should be verified at least once per year or each time the SC300 is calibrated The verification procedures in this section provide traceable results however the factory uses different procedures and instruments of higher precision than those described here The procedures in this manual have been developed to provide users the ability to verify the SC300 at their own site if they are required to do so Fluke strongly recommends that if possible you return your unit to Fluke for calibration and verification equipment specified for SC300 verification must be calibrated certified traceable 1f traceability is to be maintained and operating within their normal specified operating environment It is also important to ensur
234. tability Frequency Characteristics 1 Year Absolute t 2 5 ppm Uncertainty tcal 5 C Distortion Characteristics 2nd Harmonic lt 33 dBc 3rd and Higher lt 38 dBc Harmonics 1 Within one hour after reference amplitude setting provided temperature varies no more than 5 C SC600 Option 6 SC600 Specifications 6 7 Time Marker Specifications Table 6 4 Time Marker Specifications Time Marker 20 ms to into 50 Q 100 ns 1 Year Absolute 25 t 1000 x 2 5 ppm 2 5 ppm 2 5 ppm 2 5 ppm Uncertainty at Cardinal ppm 1 Points tcal 5 C 3 Wave Shape spike or square spike square spike or square or sine or 20 pulse EE sine Typical Typical Output Level Level gt 1Vp p gt 1 2 1V p p 2 gt 1Vp p gt 1 V p p 2 gt 1 V p p gt 1 V p p gt 1V gt 1Vpp Sequence cardinal 5 2 1 from 5 s to 2 ns e g 500 ms 200 ms 100 ms points Adjustment Range At least 10 around each cardinal points Amplitude Resolution 4 digits 1 tis time in seconds Examples At 5 s the uncertainty is 5 025 ppm At 50 ms the uncertainty is 75 ppm 2 Typical rise time of square wave and 20 pulse 20 duty cycle pulse is lt 1 5 ns 3 Away from the cardinal points add 50 ppm to uncertainty 6 8 Wave Generator Specifications Table 6 5 Wave Generator Specifications Wave Generator Characteristics Square Wave Sine Wave and Triangle Wave into 500 or 1 Amplitude Range in
235. th level triggering enabled A convenient method to make these measurements from the HP 3458A s front panel is to program these settings into several of the user defined keys on its front panel For example to make topline measurements at 1 kHz you would set the DMM to NPLC 01 LEVEL 1 DELAY 0002 TRIG LEVEL To find the average of multiple readings you can program one of the keys to OFF MATH STAT and then use the RMATH MEAN function to recall the average or mean value Refer to Figure 6 3 for the proper connections 6 20 6 33 6 34 SC600 Option 6 Calibration and Verification of Square Wave Voltage Functions DC Voltage Calibration This procedure uses the following equipment Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter e BNC cable supplied with the SC600 Note Calibrating DC Voltage requires AC Voltage calibration Refer to Figure 6 3 for the proper setup connections Set the Calibrator Mainframe in Scope Cal mode DC Voltage section Then follow these steps to calibrate DC Voltage 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BNC cable and the BNC f to Double Banana adapter 2 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 3 Press the GO ON blue softkey 4 Ensure the HP 3458A reading is 0 0 V DC 10 If not adjust R121 on 41 R121 is a square single turn pot and is marked on the board l
236. the Voltage assembly A8 09 59 09 59 UJ WWW WWW WW WWW WWW WWW WWW WW WWW WW Ww 1 SA mx US pacco co Dd Qi oA de to 3 Calibration and Verification Title Page Introduction Equipment Required for Calibration and Verification Starting Calibration How the Calibration Procedure Works DC VONS end eee HEURE nes Thermocouple Measuring sssssssseeeeeeerenenennene CUM ONG AUX DC Volts eter rite e ee a e DM EE EE AUX AC Capacitan e e EEE Capacitance Four Wire Comp sese loco a NORMAL Volts and AUX Volts Volts and AUX Current Phase 2 1 22020 000000 Remote Commands for 5500A Calibration Generating a Calibration Report
237. the table 5 Enter 10 MHz into the Calibrator Mainframe Allow the power meter reading to stabilize then enter the power meter s reading in Column B of Table 6 62 6 Repeat steps 4 and 5 for all of frequencies listed in Table 6 62 Continue until you have completed Columns A and B 7 When you have completed Columns A and B press to remove the Calibrator Mainframe s output Complete Table 6 62 by performing the calculations for each column Compare Column E to the specifications listed in the final column Table 6 62 High Frequency Flatness Verification at 5 5 V Calibrator Mainframe Flatness Spec 2 150H00wV 1 12 12 1 oo eo e20 10w 20 _ f efs20 10wW eso ow 25 J Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry m Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry 6 103 5500A Service Manual 6 104 Table 6 63 High Frequency Flatness Verification at 7 5 mV Calibrator Mainfra
238. then passed to the SCOPE connector BNC on the front panel 6 97 Time Marker Mode There are several ranges of time marker operation 5 s to 50 ms 20 ms to 100 ns 50 ns to 20 ns 10 ns and 5 to 2 ns 6 72 6 98 SC300 Option 6 Theory of Operation The 5 s to 50 ms markers are generated on the A6 DDS board and are passed to the A50 board The signal path 1s also split to drive the external trigger circuitry on the A50 board If turned on the trigger is connected to the Trig Out BNC on the front panel The marker signal passing through the A50 board is connected up to the attenuator assembly The signal is then passed to the SCOPE connector BNC on the front panel The 20 ms to 2 ns markers are generated on the A50 board From 20 ms to 100 ns a 20 duty cycle square wave is produced in addition to the spike and square wave markers From 50 ns to 20 ns only spike or square waves are produced At 10 ns the user can chose between the square wave or the leveled sine signal The marker signal is passed from the A50 board to the attenuator assembly and then to the SCOPE connector BNC on the front panel The trigger signal is also generated the A50 board If the trigger is turned on the signal is connected to the Trig Out BNC on the front panel Wave Generator Mode signals for the wavegen function are generated from the A6 board and are passed to the A50 board They are then sent to the attenuator assembly where range atte
239. this section The models listed are recommended for providing accurate results e Standard adjustment tool for adjusting the pots and trimmer caps e Extender Card e Oscilloscope Mainframe and Sampling Head Tektronix 11801 with SD 22 26 or Tektronix TDS 820 with 8 GHz bandwidth e 10 dB Attenuator Weinschel 9 10 SMA or Weinschel 18W 10 or equivalent e Cable provided with SC600 e Spectrum Analyzer Hewlett Packard 85904 Adjusting the Leveled Sine Wave Function There are two adjustment procedures that need to be made for the leveled sine wave function The first procedure adjusts the balance out of the LO VCO so that the signal 15 balanced between the two VCOs The second procedure adjusts the harmonics Equipment Setup This procedure uses the spectrum analyzer Before you begin this procedure verify that the Calibrator Mainframe 15 in leveled sine wave mode the Levsine menu is displayed and program it to output 5 5 V p p 600 MHz Press to activate the output 6 78 SC600 Option 6 SC600 Hardware Adjustments Refer to Figure 6 9 for setup connections and connect the Calibrator Mainframe to the Spectrum Analyzer Adjust the Spectrum Analyzer so that it displays one peak across its horizontal center line The far right of the peak 15 fixed at the far right of the center line as shown below Adjusting the Leveled Sine Wave VCO Balance Once you have completed the setup described above perform the following procedure to ad
240. tified traceable 1f traceability is to be maintained and operating within their normal specified operating environment It is also important to ensure that the equipment has had sufficient time to warm up prior to its use Refer to each equipment s operating manual for details Before you begin verification you may wish to review all of the procedures in advance to ensure you have the resources to complete them of the SC600 functions are listed in Table 6 18 with the verification technique indicated Table 6 18 Verification Methods for SC600 Functions Edge frequency duty Procedure provided in this manual cycle rise time Tunnel Diode Pulser Procedure provided in this manual See Voltage and Edge Calibration amplitude and Verification for details Leveled sine wave Procedures provided in this manual amplitude frequency harmonics and flatness Time marker period Procedure provided in this manual Wave generator Procedure provided in this manual 6 28 Pulse width Pulse width period Procedure Procedure provided in this manual in this manual MeasZ resistance Procedure provided in this manual Eo Overload Overload functionality Procedure Procedure provided in this manual in this manual 6 44 6 45 6 46 SC600 Option 6 Verification DC Voltage Verification This procedure uses the following equipment Hewlett Packard 3458A Digital Multimeter B
241. tion This procedure uses the following equipment High Frequency Digital Storage Oscilloscope Tektronix 11801 with Tektronix SD 22 26 sampling head 3 dB attenuator 3 5 mm m f BNC f to 3 5 mm m adapter 2 BNC cable supplied with the SC600 second BNC cable Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure Pulse Width Then follow these steps to calibrate pulse width l Connect the BNC cable supplied with the SC600 to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to one BNC f to 3 5 mm m adapter then to the DSO s sampling head through the 3 dB attenuator Using the second BNC f to 3 5 mm m adapter and BNC cable connect the Calibrator Mainframe s TRIG OUT connector to the 1180175 Trigger Input 6 25 5500A Service Manual 6 26 6 42 3 Setthe DSO to these parameters e Main Time Base position initial 40 ns e Vertical scale 200 mV div 900 mV offset e Trigger Source ext level 0 5 V ext atten x10 slope mode auto e Measurement Function positive width 4 Press the GO ON blue softkey 5 Adjust the DSO horizontal scale and main time base position until the pulse signal spans between half and the full display If no pulse is output increase the pulse width using the Calibrator Mainframe front panel knob until a pulse is output 6 If prompted to adjust the pulse width by the Calibrator Mainframe displ
242. tion V p p output 50 kHz 111 z5mV 1211 5 1 1 500 1212 390mV __ 187 5 Jp 3 ow zoomy __ 00 0 Om 112 2 1 250 0mv 12 3 4 J ssmV OE osav 8m 0 i 1 3mV uv owe asy PB 34V 55 6 40 SC600 Option 6 Verification 6 58 Leveled Sine Wave Frequency Verification This procedure uses the following equipment PM 6680 Frequency Counter with prescaler for the Channel C input Option PM 9621 PM 9624 or PM 9625 and ovenized timebase Option PM 9690 or PM 9691 BNC f to Type N m adapter BNC cable supplied with the SC600 Refer to Figure 6 6 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Then follow these steps to verify the leveled sine wave amplitude 1 Setthe 6680 s FUNCTION to measure frequency with auto trigger measurement time set to 1 second or longer and 500 impedance 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to the PM 6680 at the channel indicated in Table 6 30 You will need the BNC N adapter for the connection to Channel C Set the filte
243. to 1 MO 1 8 mV to 55 V p p into 50 O 1 8 mV to 2 5 V p p 1 Year Absolute Uncertainty 3 of p p output 100 p V 5 C 10 Hz to 10 kHz Sequence 1 2 5 e g 10 mV 20 mV 50 mV Typical DC Offset Range 0 to 240 of p p amplitude 1 Frequency Range 10 Hz to 100 kHz Resolution 4 or 5 digits depending upon frequency 1 Year Absolute Uncertainty tcal 5 C 25 ppm 15 mHz 1 The DC offset plus the wave signal must not exceed 30 V rms 5500A Service Manual 6 9 Pulse Generator Specifications Table 6 6 Pulse Generator Specifications Pulse Generator Characteristics Positive pulse into 500 Available Amplitudes 2 5 V 1 V 250 mV 100 mV 25 mV 10 mV Range 4 ns to 500 ns 1 Pulse Period Range 20 ms to 200 ns 50 Hz to 5 MHz Resolution 4 or 5 digits depending upon frequency and width 1 Year Absolute Uncertainty at Cardinal 2 5 ppm Points tcal 5 1 Pulse width not to exceed 40 of period 2 Pulse width uncertainties for periods below 2 us are not specified 6 10 Trigger Signal Specifications Pulse Function Table 6 7 Trigger Signal Specifications Pulse Function s T Division Ratio 1 Amplitude into 500 Typical Rise Time erio 6 11 Trigger Signal Specifications Time Marker Function Table 6 8 Trigger Signal Specifications Time Marker Function Pulse Period Division Ratio 1 Amplitude into 50 Typical Rise Time off 10 2 ns 3
244. to DCV NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the lower part of the wave form 1 e baseline For measurements of a 10 kHz signal set the HP 3458A to DCV NPLC 001 LEVEL 1 TRIG LEVEL and the DELAY to 00002 for measuring the topline and the DELAY to 00007 for measuring the baseline 2 Manually lock the HP 3458A to the range that gives the most resolution for the baseline measurements Use this same range for the corresponding baseline measurements at each step Note that in the EDGE function the topline is very near 0 V and the baseline is a negative voltage See Table 6 24 3 For each calibration step take samples for at least two seconds using the HP 3458A MATH functions to enter the average or mean value See Setup for SC600 Edge and Wave Generator Measurements for more details 4 The peak to peak value of the wave form is the difference between the topline and baseline measurements correcting for the load resistance error To make this correction multiply the readings by 0 5 50 Rload Rload where Rload actual feedthrough termination resistance Record each reading as indicated in Table 6 24 Table 6 24 Edge Amplification Verification Peak to Calibrator HP 3458A Topline Baseline Peak to Peak x Tolerance Range Reading Reading Correction V 100 mV 1 kHz 100 mV de 1 00V 1 kHz 1V dc
245. to the Calibrator Mainframe output frequency Set HP 8590A stop frequency to 10 times the Calibrator Mainframe output frequency Set the HP 8590A reference level at 19 dBm 4 Record the harmonic level reading for each frequency and harmonic listed in Table 6 31 For harmonics 3 4 and 5 record the highest harmonic level of the three measured Harmonics should be below the levels listed in the tolerance column of Table 6 31 6 42 SC600 Option 6 Verification Table 6 31 Leveled Sine Wave Harmonics Verification Calibrator Mainframe Output Frequency 5 5 V p p 6 43 5500A Service Manual 6 60 Leveled Sine Wave Flatness Verification 6 61 Leveled Sine Wave flatness verification is divided into two frequency bands 50 kHz to 10 MEz low frequency and gt 10 MHz to 600 MHz high frequency The equipment setups are different for each band Leveled Sine Wave flatness is measured relative to 50 kHz This is determined directly in the low frequency band The high frequency band requires a transfer measurement be made at 10 MHz to calculate a flatness relative to 50 kHz Equipment Setup for Low Frequency Flatness low frequency flatness procedures use the following equipment e 5790 03 AC Measurement Standard with Wideband option BNC f to Type N m adapter BNC cable supplied with the SC600 Connect the Calibrator Mainframe SCOPE connector to the 57904 WIDEBAND input with the BNC f to Type N m adapte
246. ts and Current Phase Calibration Steps sse Jumping to a Specific Calibration Step cceccecccecsceeseeeseeeseeeseessecsseeeteceeeeeenes DC Voltage Performance Test ssssssssssseseeeeeeeeeene eene nnns AC Voltage Performance Test sss DC Current Amplitude Accuracy Test Resistance Accuracy 6 2 11 24002 1000 enne nnne ener Resistance DC Offset Measurement Test essere AC Voltage Amplitude Accuracy Test NORMAL esee AC Voltage Amplitude Accuracy Test AUX sse AC Current Amplitude Accuracy Capacitance Accuracy essi tt eet egre eoe ee edu ee vade regat de aea Thermocouple Measurement Accuracy Test Thermocouple Sourcing Accuracy Test Thermocouple Measuring Accuracy Test ccsccesccessesseeeseeeseeessecseecsaeceaeenseeneenes DC Power Amplitude Accuracy Test NORMAL sss DC Power Amplitude Accuracy Test 0 0 0 16 AC Power Amplitude Accuracy Test High AC Power Amplitude Accuracy Test High Current sss AC Power Amplitude Accuracy Test High 22 Phase Accuracy teer eer ettet ege etel in Ce engen Frequency Accuracy Tet eee reri ee ERE ete beet epe Ibero reden AC Voltage Amplitude Accuracy Squarewave NORMAL AC Voltage Amplitude Accuracy Squarewave
247. ty to 400 Hz 0 3 96 of p p value from 10 to 90 point 1 of p p value with amplitude gt 50 of range 1 26 Chapter 2 Theory of Operation Title 2 1 Introduction 2 2 Encoder Assembly A2 sese eene ener 2 3 Synthesized Impedance Assembly A5 2 4 DDS Assembly A6 sse eren ener 2 5 Current Assembly 7 tere Rene bd de 2 6 Voltage Assembly A8 eene 2 7 Main CPU Assembly A9 2 8 2 8 Power SUpplies tnnt entres 2 9 Outguard Supplies 2 10 nguard Supplies e etti entera titt trier ettet 5500A Service Manual 2 2 Introduction Theory of Operation 2 2 1 Introduction This chapter provides a block diagram discussion of the calibrator s analog and digital sections Figure 2 1 shows the arrangement of assemblies inside the 5500A The Oscilloscope Calibration Option is described in the Options chapter The 5500 produces calibration outputs of the following functions and ranges DC voltage from 0 V to 1000 V AC voltage from 1 mV to 1000 V with output from 10 Hz to 500 kHz AC current from 0 01 uA to 11 0 A with output from 10 Hz to 10 kHz DC current from 0 to 11 0 A Resistance values from a short circuit to 330 Capacitance values from 330 pF to 1100 uF Simulated output for three types of Resistance Temperature
248. uble Banana Plug adapter e 50 feedthrough termination BNC cable supplied with the SC300 Refer to Figure 6 20 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Press on the Calibrator Mainframe to activate the output Then follow these steps to verify the leveled sine wave amplitude 1 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 509 feedthrough termination then to the 5790A INPUT 2 using the BNC f to Double Banana adapter 2 Set the 57904 to AUTORANGE digital filter mode to FAST restart fine and Hi Res on Program the Calibrator Mainframe to output the voltage listed in Table 6 58 4 Allow the 5790A reading to stabilize then record the 5790A s rms reading for each voltage listed in Table 6 58 5 Multiply the rms reading by the conversion factor of 2 8284 to convert it to the peak to peak value 6 Multiply the peak to peak value by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Compare result to the tolerance column 6 96 SC300 Option 6 Verification Table 6 58 Leveled Sine Wave Amplitude Verification Calibrator 5790A Reading 5790A Reading x 2 8284 Tolerance Mainframe V rms V p p V p p output 50 kHz SS LLLA NENNEN ERE NEN ANN LUN 89m 7 L
249. uke stock number e Total quantity e Any special notes 1 factory selected part Caution A symbol indicates a device that may be damaged by static discharge How to Obtain Parts Electrical components may be ordered directly from the manufacturer by using the manufacturers part number or from the Fluke Corporation and its authorized representatives by using the part number under the heading FLUKE STOCK NO To order components directly from Fluke Corporation call toll free 800 526 4731 Parts price information is available from the Fluke Corporation or its representatives To ensure prompt delivery of the correct part include the following information when you place an order e Fluke stock number e Description as given under the Description heading e Quantity e Reference designator e Part number and revision level of the containing the part e Instrument model and serial number How to Contact Fluke To contact Fluke call one of the following telephone numbers USA 1 888 99 FLUKE 1 888 993 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 675 200 Japan 81 3 3434 0181 Singapore 65 738 5655 Anywhere in the world 1 425 446 5500 Or visit Fluke s Web site at www fluke com 5 3 5500A Service Manual ay 2 Note This instrument may contain a Nickel Cadmium battery Do not mix with the solid waste stream Spent batteries should be disposed of by a qualified recycler or haza
250. um selection is the 2 harmonic 10 kHz All harmonic frequencies 279 to 50 are available for fundamental outputs between 10 and 200 Hz Example of determining Amplitude Uncertainty in a Dual Output Harmonic Mode What are the amplitude uncertainties for the following dual outputs NORMAL Fundamental Output 100 V 100 Hz From AC Voltage Sine Wave Specifications the single output specification for 100 V 100 Hz is 0 015 2 mV For the dual output in this example the specification is 0 015 4 mV as the 0 015 is the same and the floor is twice the value 2 x 2 mV AUX 50 Harmonic Output 100 mV 5 KAZ ies From AC Voltage Sine Wave Specifications the auxiliary output specification for 100 mV 5 kHz is 0 15 96 450 mV For the dual output in this example the specification is 0 15 900 mV as the 0 15 96 is the same and the floor is twice the value 2 x 450 mV 1 22 Introduction and Specifications 1 Additional Specifications 1 21 AC Voltage Sine Wave Extended Bandwidth Specifications 1 Year Absolute Uncertainty R F teal G Maximum Voltage Resoluti ange requency of output of range aximum Voltage Resolution Output Normal Channel Single Output Mode 10t033mV 0 10t033mV 33 mV Twodigis e g 25 mV 0 25 0 25 34 to 330 mV 0 01 to 10 Hz 50 05 Three digits 04033 _ 4 04033 _ 3 3V Twodgts Twodgts 410033
251. um burden current limits There two channels of voltage output The maximum frequency of the dual output is 10 kHz 1 5500A Service Manual AC Voltage Sine Wave Specifications cont Maximum Distortion and Noise Range Frequency 10 Hz to 5 MHz Bandwidth output uV OR 33 to 32 9999 V 33 to 329 999 V m 5725A Amplifier 45 Hz to 1 kHz 0 07 96 100 to 1020 V 1 to 20 kHz 0 15 96 20 to 30 kHz 0 3 96 30 to 100 kHz 0 4 Auxiliary Output dual output mode only 10 Hz to 100 kHz Bandwidth 10 to 20 Hz 0 2 200 20 to 45 Hz 0 06 200 10 to 329 999 mV 45 Hz to 1 kHz 0 08 200 1 to 5 kHz 0 3 200 5 to 10 kHz 0 6 200 10 to 20 Hz 0 2 200 20 to 45 Hz 0 06 200 0 33 to 3 29999 V 45 Hz to 1 kHz 0 08 200 1 to 5 kHz 0 3 200 5 to 10 kHz 0 6 200 1 9 Current Sine Wave Specifications Range 0 029 to 0 32999 mA 0 33 to 3 2999 mA 3 3 to 32 999 mA 33 to 329 99 mA 0 33 to 2 19999 A 2 240 11A Absolute Uncertainty tcal 5 C Frequency of output 30 days 20 45Hz 009 915 0425 046 049 025 0125 025 045 os 10 to 20 Hz 20 to 45 Hz 45 Hz to 1 kHz 1 to 5 kHz 5 to 10 kHz 10 to 45 Hz 5 5 45 to 65 Hz 65 to 500 Hz 0 500 Hz to 1 kHz Introduction and Specifications Specifications Compliance Max Resolution Inductive Voltage Load 009 0 1 uA 3 0 V rms 500
252. umn D entry sqrt Column D entry 6 47 5500A Service Manual 6 48 Table 6 34 High Frequency Flatness Verification at 7 5 mV Calibrator Calibrator Mainframe Mainframe Flatness Spec MHz 11 _ _ _ J OE 20 1 90 Pee OE seo P too e PL e too so se _ so Complete Columns as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 35 High Frequency Flatness Verification at 25 mV Calibrator ps ate e o fe Calibrator Mainframe Mainframe Flatness Spec Freq MHz pu lu Em pro Te 22 ___ so _ J jas OE ree E 1 211 11 too so 1 1 OE se 1 J Pee 2 so _ ___ _ J Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction facto
253. un after the 5500A has completed its warm up Access the diagnostics menu as follows Press followed by UTILITY FUNCTNS and SELF TEST The menu presents the following choices e PSEUDO CAL Runs all the internal gains calibration steps but does not save the updated constants This is useful to check for error messages DIAG Runs internal diagnostics FRONT PANEL Allows you to test the front panel knob keys bell and displays e SERIAL IF TEST Does a loopback test between the two serial ports For this test you attach a straight through serial cable between the two serial ports At least pins 2 3 and 5 need to be connected e DIGITAL TEST Checks the RAM and bus on the Main CPU 9 Running Diagnostics Press followed by UTILITY FUNCTNS SELF TEST and DIAG The menu presents the following choices OPTIONS and GO ON Press GO ON to start diagnostics The 5500A prompts you to remove all cables from the front panel outputs Sequence of Diagnostics Tests After you press the GO NO softkey an automatic sequence of tests begins Diagnostics runs the following tests e General and DDS assembly diagnostics 23 steps e Current assembly A7 diagnostics 24 steps e Synthesized Impedance assembly A5 diagnostics 26 steps e Voltage assembly A8 diagnostics 16 steps Diagnostics Error Messages If an error message appears during diagnostics check the following annotated list to determine which ass
254. uspects include R6 R7 R44 R46 and 08 on the A7 assembly 1089 DDE FR A7 Monitor fault 00 Suspects include R18 R38 R43 R48 R52 R57 C67 CR11 and U22 on the A7 assembly 1090 DDE FR A7 Monitor fault DC Suspects include CR9 and U22 on the A7 assembly 4 13 Testing the Front Panel Press followed by UTILITY FUNCTNS SELF TEST and FRONT PANEL The menu presents the following choices KNOB TEST KEY TEST BELL TEST and DISPLAY These tests are described next e KNOB TEST Tests the knob encoder by showing a cursor that moves whan you turn the knob KEY TEST Lets you check the proper functioning of each key When you press a key the name of the key shows on the display Press PREV MENU to exit this test e BELL TEST Lets you ring the bell beeper for various timed periods e DISPLAY Checks all the segments of the two displays 4 13 5500A Service Manual 4 14 Internal Fuse Replacement In addition to the operator replaceable line fuse see Replacing the Line Fuse there are additional fuses mounted on printed circuit assemblies PCAs internal to the 5500A Calibrator The location of the internal fuses are summarized in Table 4 1 Table 4 1 Internal Fuse Locations Fuse Description Printed Circuit Assembly Reference Quantity Part Number 40 125 250 V Slow A5 Synthesized A5F2 832261 n al 250 Slow Blow 5 A 250 V Slow Blow A12
255. ust be known at this BNC f connector Fluke uses an HP 3458A DMM to make a 4 wire ohms measurement at the BNC f connector to determine the actual resistance values and an HP 4192A Impedance Analyzer at 10 MHz to determine the actual capacitance value This procedure uses the following equipment e Resistors of known values IMQ and 50Q nominal e adapters to connect resistors to BNC f connector e adapters and capacitor to achieve 50 pF nominal value at the end of BNC f connector e BNC cable supplied with the SC600 Refer to Figure 6 5 for setup connections SC600 Option 6 Calibration and Verification of Square Wave Voltage Functions 5500A SC600 55004 CALIBRATOR om056f eps Figure 6 5 MeasZ Function Calibration Setup Set the Calibrator Mainframe in Scope Cal mode at the prompt to connect a 50Q resistor Then follow these steps to calibrate MeasZ 1 Connect the BNC cable to the SCOPE connector Connect the other end of the BNC cable to the BNC f connector attached to the 50 resistance 2 Press the GO ON blue softkey 3 Enter the actual 50 resistance Note The Calibrator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the actual resistance insuring proper multiplier i e m u n p If the warning still occurs repair may be necessary 4 When prompted by the C
256. usting the pots and trimmer caps e Extender Card e Oscilloscope Mainframe and Sampling Head Tektronix 11801B with SD 22 e Delay Cable 60 ns e Spectrum Analyzer Hewlett Packard 8590A Adjusting the Leveled Sine Wave Function There are two adjustment procedures that need to be made for the leveled sine wave function The first procedure adjusts the balance out of the LO VCO so that the signal is balanced between the two VCOs The second procedure adjusts the harmonics Equipment Setup This procedure uses the spectrum analyzer Before you begin this procedure verify that the Calibrator Mainframe is in leveled sine wave mode the Levsine menu is displayed and program it to output 5 5V p p 110 MHz Press to activate the output Connect the Calibrator Mainframe to the Spectrum Analyzer Adjust the Spectrum Analyzer so that it displays one peak across its horizontal center line The far right of the peak is fixed at the far right of the center line as shown below Adjusting the Leveled Sine Wave VCO Balance Once you have completed the setup described above perform the following procedure to adjust the VCO balance for the leveled sine wave function 1 Program the Calibrator Mainframe for an output of 5 5V 110 MHz 2 Setthe Spectrum Analyzer to the parameters listed below Spectrum Analyzer Setup Start Frequency 110 MHz Stop Frequency 113 MHz Resolution Bandwidth 30 kHz Video Bandwidth 3 kHz Reference Level 20 dBm T
257. ve form Manually lock the HP 34584 to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at each step See Table 6 22 2 Enable the Calibrator Mainframe external trigger by toggling the blue softkey under TRIG to 1 3 Measure the topline first as indicated in Table 6 22 For each measurement take samples for at least two seconds using the HP 3458A MATH functions to determine the average or mean value See Setup for SC600 Voltage Square Wave Measurements for more details 4 Measure the baseline of each output after the corresponding topline measurement as indicated in Table 6 22 The peak to peak value 15 the difference between the topline and baseline measurements Compare the result to the tolerance column Table 6 22 AC Voltage Verification at 500 Calibrator Mainframe HP 3458A Topline Baseline Peak to Peak x Tolerance Output Range Reading Reading Peak to Peak Correction 1 kHz 000043 0 000043 0 000065 0 000065 0 000103 0 000103 0 000315 0 00129 0 00129 0 00554 0 00554 0 01654 0 01654 6 33 5500A Service Manual 6 50 AC Voltage Frequency Verification This procedure uses the following equipment PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 BNC cable supplied with the SC600 5500A SC600 FLUKE 5500ACALIBRATOR SC600 Cable At 50 MH N
258. voltages e Extended bandwidth mode outputs multiple waveforms down to 0 01 Hz and sine waves to 2 MHz e Variable phase signal output e Standard IEEE 488 GPIB interface complying with ANSI IEEE Standards 488 1 1987 and 488 2 1987 FIA Standard RS 232 C serial data interface for printing displaying or transferring internally stored calibration constants and for remote control of the 5500A e Pass through RS 232 C serial data interface for communicating with the Unit Under Test UUT e Extensive automatic internal self testing and diagnostics of analog and digital functions 5500A Service Manual 1 4 1 2 EE EJ Eg OOO OOO 0O00 MA OOO oom Goo on om001f eps Figure 1 1 5500A Multi Product Calibrator Service Information In case of difficulty within the 1 year Warranty period return the Calibrator to a Fluke Service Center for Warranty repair For out of Warranty repair contact a Fluke Service Center for a cost estimate This service manual provides instructions for verification of performance calibration and maintenance If you choose to repair a malfunction information in this manual can help you to determine which module printed circuit assembly has a fault See Chapter 5 for cautions about handling the internal components Specifications The following paragraphs detail specifications for the 5500A Calibrator The specificat
259. w and high frequency bands are calibrated at each amplitude Calibration begins with the low frequency band then the high frequency band for the first amplitude followed by the low frequency band then the high frequency band for the second amplitude and so on until the flatness calibration is complete Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure leveled sine flatness Low Frequency Calibration Connect the Calibrator Mainframe SCOPE connector to the 5790A WIDEBAND input as described under Equipment Setup for Low Frequency Flatness Follow these steps to calibrate low frequency Leveled Sine Wave flatness for the amplitude being calibrated 1 Press the GO ON blue softkey 2 Establish the 50 kHz reference e Allow the 5790A rms reading to stabilize e Press the 5790A Set Ref blue softkey Clear any previous reference by pressing the 5790A Clear Ref blue softkey prior to setting the new reference if required Press the GO ON blue softkey 4 Adjustthe amplitude using the Calibrator Mainframe front panel knob until the 5790 reference deviation matches the 50 kHz reference within 1000 ppm 5 Repeat steps 1 to 4 until the Calibrator Mainframe display indicates that the reference frequency is now 10 MHz Continue with the high frequency calibration 6 40 6 41 SC600 Option 6 Calibration and Verification of Square Wave Voltage Functions High Frequency Calibration
260. y W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry m oo Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D sqrt Column D entry SC300 Option 6 Verification Table 6 65 High Frequency Flatness Verification at 70 mV Calibrator Mainframe Calibrator Mainframe Freq MHz c Flatness Spec 2 _ 2 Ls 2 pio 5 O 5 e EE 20 11 go ms _ __ _ 2 0 20 s20 10wV j j e820 10uV Complete Columns A E as follows A Enter the E4418A present frequency Reading W Enter the E4418A 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry Apply power sensor correction factor for 10 MHz W CF Column B entry m U Compute and enter Error relative to 10 MHz 96 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 66 High Frequency Flatness Verification at 250 mV Calibrator Mainframe Flatness Spec 1 50 100 uV 1 50 100 uV 1 50 100 uV 2 00 100 uV 2 00 100 uV 2 00 100 uV 2 00 100 uV 2 00 100 uV 2 00 100 uV
261. y to determine the uncertainty at these points The phase adjustment range for dual ac outputs is 0 to 179 99 degrees The phase resolution for dual ac outputs is 0 02 degree 5500A Service Manual 1 16 Phase Specifications 1 Year Absolute Uncertainty tcal 5 Degrees tomen OO m 1 For 33 to 1000 V output burden current 6 mA For 6 to 20 mA burden current 33 to 330 V the phase uncertainty is 0 4 degree 2 For 33 to 1000 V output burden current 2 mA For 2 to 5 mA burden current 33 to 330 V the phase uncertainty is 1 5 degrees 3 For 33 to 1000 V output burden current 2 mA For 2 to 5 mA burden current 33 to 330 V the phase uncertainty is 5 degrees Phase Phase Power Uncertainty Adder due to Phase Error xo Dum Eltern 1 000 0 00 0 01 os s oe os o 8 os os o o 086 99 Not Specified o 000 29 o orm 4 89 o __ To calculate exact ac Watts power adders due to phase uncertainty for values not shown use the following formula Cos Cos Adder 100 1 For example for a PF of 9205 23 and a phase uncertainty of 0 15 the ac Watts power adder is 90 Cos 23 1 20 Introduction and Specifications Specifications 1 17 Calculating Power Uncertainty Overall uncertainty for power output in Watts or VARs is
262. z into the Calibrator Mainframe Allow the 5790A reading to stabilize then enter the 5790A reading in Column B of Table 6 32 6 Repeat steps 4 and 5 for all of frequencies listed in Table 6 32 Continue until you have completed Columns A and B 7 When you have completed Columns A and B press to remove the Calibrator Mainframe s output Complete Table 6 32 by performing the calculations for column C Compare Column C to the specifications listed in the final column Table 6 32 Low Frequency Flatness Verification at 5 5 V d Calibrator Mainframe Flatness Specification EN Lc XX mw e e Complete Columns A C as follows Enter 5790A Reading mV for the present frequency Enter 5790A Reading mV for 50 kHz Compute and enter the Calibrator Mainframe Flatness Deviation 96 100 Column A entry Column B entry Column B entry 6 64 High Frequency Verification This procedure provides an example of testing high frequency flatness using a 5 5 V output Follow the same procedure for testing other amplitudes only compare results against the flatness specification listed in Table 6 33 For this voltage range you will use the model HP 8482A power sensor 1 Program the Calibrator Mainframe for an output of 5 5 V 30 MHz Press on the Calibrator Mainframe to activate the output 2 Allow the power meter reading to stabilize The power met

Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents