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5520A-SC1100

1. LZ LZ LZ BJ BB om030i eps If this message is displayed and the SC1100 is installed in the Calibrator Mainframe hereafter referred to as the Calibrator return the Calibrator to Fluke for repair To purchase the SC1100 contact a Fluke sales representative SC1100 Specifications These specifications apply only to the SC1100 Option General specifications that apply to the Calibrator hereafter termed the Calibrator can be found in Chapter 1 of the 5520A Service Manual The specifications are valid under the following conditions e The Calibrator is operated under the conditions specified in Chapter 1 of the 5520A Service Manual e The Calibrator has completed a warm up of at least twice the length of time the calibrator was powered off up to a maximum of 30 minutes e The SC1100 Option has been active longer than 5 minutes Oscilloscope Calibrator Option SC1100 Specifications Volt Specifications Table 1 Volt Specifications Amplitude Characteristics Range Resolution Adjustment Range 1 Year Absolute Uncertainty teal 5 C Sequence Square Wave Frequency Characteristics Range 1 Year Absolute Uncertainty teal 5 C Typical Aberration within 4 us from 50 of 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 pV 50 Q Load 1 MO Load
2. lt 2 of output 2 mV lt 1 of output 2 mV lt 0 5 of output 2 mV Square wave at 100 Hz to 100 kHz with variable amplitude of 60 V to 2 All edge aberration measurements made with Tektronix 11801 mainframe with SD26 input module Oscilloscope Calibrator Option SC1100 Specifications Leveled Sine Wave Specifications Table 3 Leveled Sine Wave Specifications Frequency Range Leveled Sine Wave 100 MHz Characteristics 50 kHz 10 MHz 50 kHz to to 300 MHz to 600 MHz to into 50 Q reference 100 MHz 300 MHz 600 MHz 1100 MHz Amplitude Characteristics for measuring oscilloscope bandwidth 4 mv to Range p p 5 mV to 5 5 V 3 5 V lt 100 mV 3 digits Resolution gt 100 mV 4 digits Adjustment Range continuously adjustable 1 Year Absolute 2 of 3 5 of 4 of 6 of 7 of Uncertainty output output output output output tcal 5 C 300 uV 300 uV 300 uV 300 uV 300 uV 1 5 of 2 of 4 of 5 of Flatness relative to output output output output 50 kHz not applicable 100 uV 100 uV 100 uV 100 uV Short Term Amplitude Stability lt 1 1 Frequency Characteristics Resolution 10 kHz 100 kHz 1 Year Absolute Uncertainty tcal 5 C 2 5 ppm Distortion Characteristics 2nd Harmonic lt 33 dBc 3rd and Higher Harmonics lt 38 dBc 1 Within one hour after reference amplitude setting provided temperature
3. There are 3 primary ranges of time marker operation 5 s to 50 ms 10 ms to 2 us and 1 ps to 1 ns The 5 s to 20 ms markers are generated on the A6 DDS board and passed to the A45 board The signal path is also split to drive the external trigger circuitry on the A45 board If turned on the trigger is connected to the Trig Out BNC on the front panel The marker signal passing through the A45 board is connected to the attenuator assembly The signal is then passed to the SCOPE N connector 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 A45 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 A45 board to the attenuator assembly and then to the SCOPE N connector on the front panel The 1 us to 1 ns markers are generated from the leveled sine wave generator on the A45 board This signal is also split to drive the external trigger circuits If the trigger is turned on the signal is then connected to the Trig Out BNC on the front panel The other path routes the signal to the marker circuits on the A45 board where the signal is shaped into the other marker waveforms The marker signals are passed from the A45 board to the attenuator assembly and on to the SCOPE N BNC connector on the front panel Wave Generator Mode All s
4. 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 0 07 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A n D C7 Ww Enter the 437B present frequency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present papa W CF Column A entry Apply power sensor correction factor for 10 MHz W Compute and enter Error relative to 10 MHz 100 D entry sqrt Column D entry Column B entry iG C entry sqrt Column 49 5520A SC1100 Service Manual 50 Table 33 High Frequency Flatness Verification cont amplitude Calibrator B Calibrator Flatness Spec V Frea MHz a 10MHz c D E 0 099 5 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz
5. 50 Q Load 1 MO Load Volt Function DC Signal Square Wave Signal 1 1 mvV to 0Vto 130V 6 6 V p p 0Vto 6 6 V 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 1 mV 11 V to 130 V 10 mV Continuously adjustable 0 1 of output 40 uV 2 0 25 of 0 05 of 0 25 of output 40 uV output 40 uV output 40 uV 1 2 5 e g 10 mV 20 mV 50 mV 10 Hz to 10 kHz 2 5 ppm of setting lt 0 5 of output 100 uV 5520A SC1100 Service Manual Edge Specifications Table 2 Edge Specifications Edge Characteristics into 50 O Load Rise Time Amplitude Range p p Resolution Adjustment Range Sequence Values Frequency Range 1 Typical Jitter edge to trigger Leading Edge Aberrations 2 Typical Duty Cycle Tunnel Diode Pulse Drive lt 300 ps 5 0 mV to 2 5 V 4 digits 10 around each sequence value indicated below 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 1 kHz to 10 MHz lt 5 ps p p within 2 ns from 50 of rising edge 2 to 5ns 5 to 15 ns after 15 ns 45 to 55 100 V p p 1 Above 2 MHz rise time specification lt 350 ps 1 Year Absolute Uncertainty tcal 5 C 0 ps 100 ps 2 of output 200 uV 2 5 ppm of setting lt 3 of output 2 mV
6. 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 0 01 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A n D C7 Ww Enter the 437B present frequency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present korp W CF Column A entry Apply power sensor correction factor for 10 MHz W Compute and enter Error relative to 10 MHz 100 entry sqrt Column D entry Column B entry aes C entry sqrt Column D Oscilloscope Calibrator Option Verification Table 33 High Frequency Flatness Verification cont Amplitude Calibrator V Freq MHz 0 399 1000 MHz B A 10 MHz C o E Calibrator Flatness Spec 1 50 1 50 2 00 2 00 2 00 2 00 3 50 3 50 3 50 3 50 4 00 4 00 5 00 1 50 1 50 2 00 2 00 2 00 2 00 3 50 3 50 3 50 3 50 4 00 4 00 5 00 Complete Columns A E as follows n D C7 W Ji Apply power sensor correction factor for 10 MHz W A Enter the 437B present fr
7. 54 Table 33 High Frequency Flatness Verification cont amplitude Calibrator B Calibrator Flatness Spec m Freq MHz A 10MHz c D E 4 5 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 5 5 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 Complete Columns A E as follows A n D C7 Ww Enter the 437B present frequency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present eee W CF Column A entry Apply power sensor correction factor for 10 MHz W Compute and enter Error relative to 10 MHz 100 D entry sqrt Column D entry Column B entry Me C entry sqri Column Oscilloscope Calibrator Option Verification 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 P
8. 58 Calibrator output 5790A 5790A Reading x Calibrator 1 kHz unless Reading Conversion Conversion Factor Tolerance Wave Type noted V rms Factor V p p V p p square 1 8 mv 2 0000 0 000154 V square 11 9 mv 2 0000 0 000457 V square 21 9 mv 2 0000 0 00075 V square 22 0 mv 2 0000 0 00076 V square 56 0 mV 2 0000 0 00178 V square 89 9 mv 2 0000 0 002797 V square 90 mv 2 0000 0 0028 N square 155 mV 2 0000 0 00475 V square 219 mv 2 0000 0 00667 V square 220 mv 2 0000 0 0067 v square 560 mv 2 0000 oo16ov square 899 mv 2 0000 0 02707 N square 0 90 V 2 0000 0 0271V square 3 75 V 2 0000 0 1126 V square 6 59 V 2 0000 0 1978 V square 6 6 v 2 0000 0 191V square 30 8 V 2 0000 0 9241V square 55 0 V 2 0000 1 6801 N square 55 0V 10Hz 2 0 1 6501V square 55 0vE100Hz 2 0 1 6501V square 55 0 V 10 000 Hz 20 1 6501V sine 1 8 mV 2 8284 0 000154 V sine 21 9 mv 2 8284 0 000757 V sine 89 9 mv 2 8284 0 002797 V sine 219 mv 2 8284 0 00667 V sine 899 mv 2 8284 0 02707 N sine 6 59 V 2 8284 0 1978 V sine 55 V 2 8284 1 6501V triangle 1 8 mv 3 4641 0 000154 V triangle 21 9 mV 3 4641 0 000757 V _triangle 89 9 mv 3 4641 0 002797 V triangle 219 mv 3 4641 0 00667 V triangle 899 mv 3 4641 0 02707 V triangle 6 59 V 3 4641 01978 V triangle 55 V 3 4641 1 6501
9. p p Typical Rise Time 5 sto 750 ns off 1 21V lt 2 ns 34 9 ms to 7 5 ns oft 10 gt 1V lt 2ns 34 9 ms to 2 ns off 100 gt 1V lt 2 ns Trigger Signal Specifications Edge Function Table 9 Trigger Signal Specifications Edge Function Typical Amplitude into 50 Q p p Typical Rise Time Typical Lead Time Edge Signal Division gt 1V lt 2 ns 40 ns Frequency Ratio 1 kHz to 10 MHz off 1 5520A SC1100 Service Manual Trigger Signal Specifications Square Wave Voltage Function Table 10 Trigger Signal Specifications Square Wave Voltage Function Division Ratio Typical Amplitude Edge Signal into 50 O p p Frequency Typical Lead Time Typical Rise Time roze roz on iv sare 2 Trigger Signal Specifications Table 11 TV Trigger Signal Specifications Trigger Signal Type Parameters Field Formats Selectable NTSC SECAM PAL PAL M Polarity Selectable inverted or uninverted video Amplitude into 50 Q p p Adjustable 0 to 1 5 V p p into 50 ohm load 7 accuracy Line Marker Selectable Line Video Marker Oscilloscope Input Resistance Measurement Specifications Table 12 Oscilloscope Input Resistance Measurement Specifications Scope input selected 500 1 MO Measurement Range 40 to 60 Q 500 kQ to 1 5 MQ Uncertainty 0 1 0 1 Oscilloscope Input Capacitance Measurement Specifications Table 13 Oscilloscope Inpu
10. 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 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 24 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 SC1100 Edge and Wave Generator Measurements for more details 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 24 Table 24 Edge Amplification Verification Calibrator Edge HP 3458A Topline Baseline Peak to Pae Tolerance Output Range Reading Reading Peak Correction V 100 mV 1 kHz 100 mV de 0 0022 1 00V 1 kHz 1V dc 0 0202 5 mV 10 kHz 100 mV de 0 0003 10 mV 10 kHz 100 mV ac 0 0004 25 mV 10 kHz 100 mV
11. 1 aberration Determine that the SC1100 falls within the typical specifications shown in Table 27 Table 27 Edge Aberrations Time from 50 of Rising Edge Typical Edge Aberrations 0 2ns lt 32 mV 3 2 2 5ns lt 22 mV 2 2 5 15ns lt 12 mV 1 2 gt 15 ns lt 7 mV 0 7 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 C1100 cable Set the Calibrator in Scope Cal mode Edge Proceed with the following steps 1 Connect the Calibrator s SCOPE connector to the HP 3458A input using the SC1100 cable and the BNC f to Double Banana adapter Refer to Figure 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 output frequency to 10 kHz Push opr 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 28 and compare against the listed tolerance 37 5520A SC1100 38 Service Manual Table 28 Tunnel Diode Pulser Am
12. 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 1 MQ and 50 Q 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 SC1100 cable Refer to Figure 5 for setup connections 5520A SC1100 FLUKE 5520A CALIBRATOR SC1100 Cable i ze056f eps Figure 5 MeasZ Function Calibration Setup Set the Calibrator in Scope Cal mode at the prompt to connect a 50 Q resistor Follow these steps to calibrate MeasZ 1 Connect the SC1100 cable to the SCOPE connector Connect the other end of the cable to the BNC f connector attached to the 50 resistance 2 Press the GO ON blue softkey Enter the actual 50 Q resistance Oscilloscope Calibrator Option Verification Note The Calibrator 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 Calibrator disconnect the 50 Q resistance and connect the 1MQ resistance to the end of the SC1100 cable Press the GO ON blue softkey Enter the actual 1 MQ resistance When prompted for the first r
13. With 5D26 Sampling Head SC1100 3 dB Attenaator Cable 3 5 mm m f NORMAL AUX V 0 RTD A N SENSE AUX V BNC F to 3 5 mm m Adapter ze058f eps Figure 7 Edge Rise Time Verification Setup The Calibrator should be in SCOPE mode with the edge menu on the display Press on the Calibrator to activate the output Press the softkey under TRIG to select the TRIG 1 External Trigger output Program the Calibrator 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 to output the voltage and frequency listed in Table 26 Press OPR on the Calibrator to activate the output 35 5520A SC1100 Service Manual 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 26 3 Correct the rise time measurement by accounting for the SD 22 26 sampling head s rise time The SD 22 26 rise time is specified as lt 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 26 Rise time measures between these two points Figure 8 Edge Rise T
14. conditions or practices that could result in damage to equipment SYMBOLS MARKED ON THE CALIBRATOR A WARNING Risk of electric shock Refer to the manual see the Index for references IE GROUND Ground terminal to chassis earth A 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 AC POWER SOURCE The Calibrator 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 use only the specified replacement fuse e For 100 V or 120 V operation use a 5A 250V time delay fuse Fluke PN 109215 e For 220 V or 240 V operation use a 2 5A 250V time delay fuse Fluke PN 851931 GROUNDING THE CALIBRATOR The Calibrator uses controlled overvoltage techniques that require the Calibrator 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 CHASSIS GROUND binding post USE THE PROPER POWER CORD Use only the power cord and connector appropriate for the voltage and plug configuration in your country Use only a power cord t
15. entered in the Calibrator to calibrate the ac voltage function Set up the Calibrator to Cal ACV Press OPTIONS and NEXT SECTION blue softkeys until the display reads The next steps calibrate SC1100 ACV Follow these steps to calibrate ac voltage 1 Press the GO ON blue softkey 2 Allow the HP 3458A de voltage reading to stabilize Enter the reading via the Calibrator front panel keypad then press ENTER Note The Calibrator 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 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 e C1100 cable Within the calibration menu press the OPTIONS and NEXT SECTION blue softkeys until the display reads WAVEGEN Cal Follow these steps to calibrate the Wave Generator 1 Connect the Calibrator s SCOPE connector to the HP 3458A input using the SC1100 cable and the BNC f to Double Banana adapter 19 5520A SC1100 Service Manual 2 Set the HP 3458A to DCV NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for me
16. 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 low frequency band then the high frequency band for the second amplitude and so on until the flatness calibration is complete 21 5520A SC1100 Service Manual 22 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 SCOPE connector to the 5790A WIDEBAND input 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 2 Press the GO ON blue softkey 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 Adjust the amplitude using the Calibrator front panel knob until the 5790A reference deviation matches the 50 kHz reference within 1000 ppm Repeat steps 1 through 4 until the Calibrator display indicates the reference frequency is now 10 MHz Continue with the high frequency c
17. the tolerance column Oscilloscope Calibrator Option Verification Table 29 Leveled Sine Wave Amplitude Verification Calibrator output 5790A Reading 5790A Reading x V p p value x 50 kHz V rms 2 8284 V p p correction 5 0 mV Tolerance 400 uV 450 uV i 7 5 mV 9 9 mV 498 uV 10 0 mV 25 0 mV 500 uV 800 uV 39 0 mV 40 0 mV 1 08 mV 1 10 mV 70 0 mV 99 0 mV 1 70 mV 2 28 mV ii 2 30 mV 100 0 mV 250 0 mV 5 30 mV 399 0 mV 0 4 V 8 28 mV 8 3 mV 0 8 V 1 2V 16 3 mV 24 3 mV 1 3 V 3 4 V 26 3 mV 68 3 mV 5 5 V Leveled Sine Wave Frequency Verification This procedure uses the following equipment e PM 6680 Frequency Counter with a prescaler for the Channel C input iii 110 3 mV Option PM 9621 PM 9624 or PM 9625 and ovenized timebase Option PM 9690 or PM 9691 e BNC f to Type N m adapter e SC1100 cable Refer to Figure 6 for the proper setup connections Set the Calibrator to SCOPE mode with the levsine menu on the display Follow these steps to verify the leveled sine wave amplitude 1 Set the PM 6680 s FUNCTION to measure frequency with auto trigger measurement time set to 1 second or longer and 50 Q impedance 2 Using the SC1100 cable connect the SCOPE connector on the Calibrator to the PM 6680 at the channel indicated in Table 30 The BNC N adapter is needed for the connection to Channel C 3 Set the f
18. uency 32 S DC voltage SC1100 See also entry under specific function edge duty cycle calibration edge frequency 34 error message indicating not installed edge rise time hardware RR lt leveled sine wave amplitude maintenance leveled sine wave frequency user s servicing abilities leveled sine wave harmonics 40 verification 23 measZ capacitance scope calibration See SC1100 measZ resistance specifications overload function SC1100 2 pulse period 61 square wave voltage function pulse width trigger specifications b time marker wave generator pt volt function time marker function specifications specifications theory of operation W trigger specifications H wave generator function verification specifications TV trigger specifications 8 theory of operation 10 verification 56
19. 0 MHZ PM 6680A ze057f eps Figure 6 AC Voltage Frequency Verification Setup Set the Calibrator to SCOPE mode with the volt menu on the display Press on the Calibrator to activate the output 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 1 MQ impedance and filter off 2 Using the SC1100 cable connect the SCOPE connector on the Calibrator to PM 6680 channel A 3 Program the Calibrator to output 2 1 V at each frequency listed in Table 23 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 23 Compare to the tolerance column of Table 23 Table 23 AC Voltage Frequency Verification Output 2 1 V p p Frequency Tolerance 10 Hz 0 000025 Hz 100 Hz 0 00025 Hz 1 kHz 0 0025 Hz 10 kHz 0 025 Hz 32 Oscilloscope Calibrator Option Verification Edge Amplitude Verification To verify edge amplitude connect the Calibrator s SCOPE connector to the HP 3458A input using the SC1100 cable the external 50 Q termination and the BNC f to Double Banana adapter The 50 Q termination is closest to the HP 3458A 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
20. 000 3 5 V 845 39 dB 41 5520A SC1100 Service Manual Leveled Sine Wave Flatness Verification Leveled Sine Wave flatness verification is divided into two frequency bands 50 kHz to 10 MHz low frequency and gt 10 MHz to 1 1 GHz 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 All low frequency flatness procedures use the following equipment e 5790A 03 AC Measurement Standard with Wideband option e BNC f to Type N m adapter e C1100 cable Connect the Calibrator SCOPE connector to the 5790A WIDEBAND input with the BNC f to Type N m adapter as shown in Figure 10 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on 9 aaa Tab yg034f eps Figure 10 Connecting the Calibrator to the 5790A AC Measurement Standard Equipment Setup for High Frequency Flatness All high frequency flatness procedures use the following equi
21. 1100 Cable N BNC supplied with SC1100 13 5520A SC1100 Service Manual Table 15 SC1100 Calibration and Verification Equipment cont Leveled Sine Wave Flatness High Frequency Calibration and Verification Instrument Model Minimum Use Specifications Hewlett Packard 437B Range 42 to 5 6 dBm Power Meter or equivalent Frequency 10 1100 MHz Range 20 to 19 dBm Power Sensor Hewlett Packard 8482A Frequency 10 1100 MHz Range 42 to 20 dBm Power Sensor Hewlett Packard 8481D Frequency 10 1100 MHz Hewlett Packard 30 dB 11708A Range 30 dB Reference supplied with HP Attenuator 8481D Frequency 50 MHz Hewlett Packard Adapter PN 1250 1474 BNC f to Type N f SC1100 Cable N BNC supplied with SC1100 Leveled Sine Wave Frequency Time Marker Verification PM 6680 with option PM 9621 PM 9624 or Frequency PM 9625 and PM Counter 9690 or PM 9691 _2 ns to 5 s 50 kHz to 1000 MHz lt 0 15 ppm uncertainty Adapter Pomona 3288 BNC f to Type N m SC1100 Cable N BNC supplied with SC1100 Wave Generator Verification AC Measurement Range 1 8 mV p p to 55 V p p Standard Fluke 5790A Frequency 10 Hz to 100 kHz Adapter Pomona 1269 BNC f to Double Banana Termination Feedthrough 50 Q 1 SC1100 Cable N BNC supplied with SC1100 Oscilloscope Calibrator Option SC1100 Calibration Setup SC1100 Calibration Setup The procedures in th
22. 3 of p p output 100 uV 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 Oscilloscope Calibrator Option SC1100 Specifications Pulse Generator Specifications Table 6 Pulse Generator Specifications Pulse Generator Characteristics Positive pulse into 50 Q Typical rise fall times lt 1 5ns Available Amplitudes 2 5 V 1 V 250 mV 100 mV 25 mV 10 mV Pulse Width Range 4 ns to 500 ns 1 Uncertainty 2 5 2ns 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 Points tcal 5 C 2 5 ppm 1 Pulse width not to exceed 40 of period 2 Pulse width uncertainties for periods below 2 us are not specified Trigger Signal Specifications Pulse Function Table 7 Trigger Signal Specifications Pulse Function Time Marker Period Division Ratio Amplitude into 50 O p p Typical Rise Time 20 ms to 150 ns off 1 10 100 gt 1V lt 2 ns Trigger Signal Specifications Time Marker Function Table 8 Trigger Signal Specifications Time Marker Function Pulse Period Division Ratio Amplitude into 50 Q
23. 641 0 00337 V triangle 449 mV 3 4641 0 01357 V triangle 1 09 V 3 4641 0 0328 V triangle 2 50 V 3 4641 0 0751 V 59 5520A SC1100 Service Manual Pulse Width Verification The following equipment is used to verify the pulse width e 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 e SC1100 cable e BNC BNC cable Refer to Figure 7 for proper setup connections Connect the SC1100 cable to the Calibrator s SCOPE connector Connect the other end of the SC1100 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 s TRIG OUT connector to the 11801 s Trigger Input The Calibrator should be in SCOPE mode with the edge menu on the display Press on the Calibrator 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 to output the pulse width and period at 2 5 V as listed in Table 37 2 Change the horizontal scale of the DSO to the value lis
24. 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 CONSEQUENT
25. E 15 50 0E 9 A Off 125 0E 15 20 0E 9 A Off 50 0E 15 10 0E 9 A Off 25 0E 15 5 0E 9 A Off 12 5E 15 2 0E 9 16 Off 5 0E 15 1 0E 9 C Off 2 5E 15 55 5520A SC1100 Service Manual Wave Generator Verification This procedure uses the following equipment 5790A AC Measurement Standard BNC f to Double Banana adapter 50 Q feedthrough termination SC1100 cable 5520A SC1100 FLUIKE_5520A CALIBRATOR SC1100 BNC F to Double Banana Feed Through Adapter NORMAL AUX SCOPE V AL RTD A N SENSE AUX V Su Termination ze060f eps Figure 13 Wave Generator Verification Setup For wave generation verification procedures refer to Figure 13 for the proper setup connections Set the Calibrator to SCOPE mode with the wavegen menu on the display Press on the Calibrator to activate the output Set the offset to 0 mV and the frequency to 1 kHz Follow these steps to verify the wave generator function Verification at 1 MQ Set the Calibrator impedance to 1 MQ The blue softkey under SCOPE Z toggles the impedance between 50 Q and 1 MQ 1 56 Connect the SC1100 cable to the Calibrator 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 to output the wave type and voltage liste
26. FLUKE 9520A SC1100 Oscilloscope Calibrator Option Service Manual PN 1272672 December 1999 1999 Fluke Corporation All rights reserved Printed in USA 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 invoice
27. Hz 1 50 10 MHz 1 50 Complete Columns A C as follows A Enter 5790A Reading mV for the present frequency B Enter 5790A Reading mV for 50 kHz C Compute and enter the Calibrator Flatness Deviation 100 Column A entry Column B entry Column B entry 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 33 For this voltage range use the model HP 8482A Power Sensor 1 Program the Calibrator for an output of 5 5 V amp 30 MHz Press on the Calibrator 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 33 3 Enter 10 MHz into the Calibrator Allow the power meter reading to stabilize then enter the power meter s reading in Column B of Table 33 44 Oscilloscope Calibrator Option Verification Enter the next frequency listed in Table 33 Allow the power meter s reading to stabilize then enter the reading into Column A of the table Enter 10 MHz into the Calibrator Allow the power meter reading to stabilize then enter the power meter s reading in Column B of Table 33 Repeat steps 4 and 5 for all of frequencies listed in Table 33 Continue
28. IAL 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 Safety Information This Calibrator complies with IEC publication 1010 1 1992 1 Safety Requirements for Electrical Measuring Control and Laboratory Equipment and ANSI ISA S82 01 1994 and CAN CSA C22 2 No 1010 1 92 This manual contains information warnings and cautions that must be followed to ensure safe operation and to maintain the Calibrator in a safe condition Use of this Calibrator in a manner not specified herein may impair the protection provided by the Calibrator This Calibrator 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 personal injury or loss of life Caution statements identify
29. L blue softkey Entering Scope Cal mode prior to having the SC1100 enabled for at least 5 minutes will cause a warning message to be displayed All equipment specified for SC1100 calibration 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 beginning calibration review all of the procedures in advance to ensure the resources to complete them are present The Calibrator 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 Calibration and Verification of Square Wave Voltage 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 15 5520A SC1100 Service Manual Overview of HP3458A Operation The Hewlett Packard 3458A 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 th
30. LC DELAY topline DELAY baseline 1 kHz 01 0002 s 0007 s 10 kHz 001 00002 s 00007 s 17 5520A SC1100 Service Manual HP 3458A SC1100 Cable 5520A S1100 p FLUIKEE_5520A CALIBRATOR NORMAL AUX V N RTD A N SENSE AUX V 50 Q Feedthrough Termination BNC F to Double Banana Adapter ze055f eps Figure 3 Equipment Setup for SC1100 Edge and Wave Gen 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 I kHz set the DMM to NPLC 01 LEVEL 1 DELAY 0002 TRIG LEVEL To find the average of multiple readings it is possible to 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 3 for the proper connections DC Voltage Calibration This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter e SC1100 Cable e BNC BNC cable Note Calibrating dc voltage requires ac voltage calibration Refer to Figure 3 for the proper setup connections Set the Calibrator in Scope Cal mode DC Voltage section Follow these steps to calibrate DC Vol
31. M 9625 and ovenized timebase Option PM 9690 or PM 9691 BNC f to Type N m adapter SC1100 cable Refer to Figure 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 50 Q impedance Set the Calibrator to SCOPE mode with the marker menu on the display Press on the Calibrator to activate the output Follow these steps to for each period listed in Table 34 1 2 Program the Calibrator to the output as listed in Table 34 Using the SC1100 cable connect the SCOPE connector on the Calibrator to the PM 6680 at the channel indicated in Table 34 The BNC N adapter is needed 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 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 34 Time Marker Verification Calibrator PM 6680 FITGESD Reading Tolerance Period PM 6680 Settings Reading 1 Year Seconds Channel Filter Frequency Period Spec s 5 A On 25 1E 3 2 A On 4 1E 3 0 05 A of 3 8E 6 0 02 A Off 50 0E 9 0 01 LA of 25 0E 9 100 0E 9 A Off 250 0
32. V Oscilloscope Calibrator Option Verification Table 36 Wave Generator Verification at 50 Q Calibrator Calibrator 5790A 5790A Rdg x Wave Output Reading Conversion Conversion V p p value x Tolerance Type 10 kHz Vrms Factor Factor V p p Correction V p p Square 1 8 mV 2 0000 0 000154 V _square 6 4 mV 2 0000 0 000292 V square 10 9 mV 2 0000 0 000427 V _square 11 0 mV 2 0000 0 00043 V Square 28 0 mV 2 0000 0 00094 V Square 44 9 mV 2 0000 0 001447 V Square 45 mV 2 0000 0 00145 V square 78 mv 2 0000 0 00244 V Square 109 mV 2 0000 0 00337 V Square 110 mV 2 0000 0 0034 V Square 280 mV 2 0000 0 0085 V Square 449 mV 2 0000 0 01357 V Square 450 mV 2 0000 0 0136 V Square 780 mV 2 0000 0 0235 V Square 1 09 V 2 0000 0 0328 V Square 1 10 V 2 0000 0 0331 V square 1 80 V 2 0000 0 0541 V square 2 50 V 2 0000 0 0751 V sine 1 8 mV 2 8284 0 000154 V sine 10 9 mV 2 8284 0 000427 V sine 44 9 mV 2 8284 0 001447 V sine 109 mv 2 8284 0 00337 V sine 449 mV 2 8284 0 01357 V sine 1 09 V 2 8284 0 0328 V sine 2 50 V 2 8284 0 0751 V triangle 1 8 mV 3 4641 0 000154 V triangle 10 9 mV 3 4641 0 000427 V triangle 44 9 mV 3 4641 0 001447 V triangle 109 mv 3 4
33. Wave Frequency Verification Spectrum Analyzer Frequency PM 6680 with option PM 9621 PM 9624 50 kHz to 600 MHz lt 0 15 ppm Counter or PM 9625 and PM 9690 or PM 9691 uncertainty Adapter Pomona 3288 BNC f to Type N m SC1100 Cable N BNC supplied with SC1100 Leveled Sine Wave Flatness Low Frequency Calibration and Verification AC Measurement Fluke 5790A Range 5 mV p p to 5 5 V p p Standard with 03 option Frequency 50 kHz to 10 MHz Adapter Pomona 3288 BNC f to Type N m SC1100 Cable N BNC supplied with SC1100 Leveled Sine Wave Harmonics Verification HP 8590A or equivalent Adapter Pomona 3288 BNC f to Type N m SC1100 Cable N BNC supplied with SC1100 Frequency Counter Pulse Period Edge Frequency AC Voltage Frequency Verification PM 6680 with option PM 20 ms to 150 ns 10 Hz to 10 MHz lt 0 15 ppm 9690 or PM 9691 uncertainty Frequency Counter SC1100 Cable N BNC supplied with SC1100 Edge Duty Cycle PM 6680 Termination SC1100 Cable N BNC supplied with SC1100 Overload Functional Verification Feedthrough 50 Q 1 SC1100 Cable N BNC supplied with SC1100 _MeasZ Resistance Capacitance Verification Resistors 1 MQ and 50 Q nominal values 50 pF nominal value at the end of BNC f Capacitors connector to connect resistors and capacitors to BNC f Adapters connector SC
34. aa ca oua ata ao ata Edge and Wave Generator HP3458A Settings sese ee eee eee na na ema ana anna Verification Methods for SC1100 Functions ss sese sees eee DC Voltage Verification at I MG DC Voltage Verification at 50 k s nene emana ema aan aan emana ana ae AC Voltage Verification at I MO nenea ema eee aan emana ana ae AC Voltage Verification at 50 0 eireto reiii aan en aan emana ana ae AC Voltage Frequency Verification sees ee eee eee eee Edge Amplification Verification mmeen nenea na na na nana ias Edge Frequency Verification sc nene nene eee enma e anna anna anna Edee Rise Time Verification inscenat cote aula DO a da aaa aa Edge Aberrations sista caiac c Ea en Tunnel Diode Pulser Amplitude Verification men eee nenea na anna na ana Leveled Sine Wave Amplitude Verification ranoronvvnnvvnnnvnnnvnrnrnrnrnrvresenssenersne Leveled Sine Wave Frequency Verification sees ee eee eee na na na anna Leveled Sine Wave Harmonics Verification sese eee eee eee eee eee Low Frequency Flatness Verification at 5 5 V ranvrenvnnnvvnnvvnnnvnenvnrnvervresereserssevseenn High Frequency Flatness Verification sese eee eee eee eee Time Marker TRT Wave Generator Verification at I MO eee eee emana ana ae iii 5520A SC1100 Service Manual 36 Wave Generator Verification at 50 Q 37 Pulse Width Verification mea ee ea eee a ea e aa aa aa ea ea ea ea ea aa eee INTERN 38 Pulse Period Verification ae 39 MeasZ Resist
35. able 31 Press on the Calibrator to activate the output Oscilloscope Calibrator Option Verification 3 Set HP 8590A start frequency to the Calibrator output frequency Set HP 8590A stop frequency to 10 times the Calibrator 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 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 31 Table 31 Leveled Sine Wave Harmonics Verification Calibrator Output Frequency 5 5 V p p Harmonic HP 8590A Reading dB Tolerance 50 kHz 2 33 dB 50 kHz 3 45 38 dB 100 kHz 2 33 dB 100 kHz 3 4 5 38 dB 200 kHz 2 33 dB 200 kHz 3 4 5 38 dB 400 kHz 2 33 dB 400 kHz 3 4 5 _ 38 dB 800 kHz 2 33 dB 800 kHz 3 4 5 38 dB 1 MHz 2 33 dB 1 MHz 3 4 5 38 dB 2 MHz 2 33 dB 2 MHz 3 4 5 38 dB 4 MHz 2 33 dB 4 MHz 3 4 5 _ 38 dB 8 MHz 2 33 dB 8 MHz 3 4 5 38 dB 10 MHz 2 33 dB 10 MHz 3 4 5 38 dB 20 MHz 2 33 dB 20 MHz 3 4 5 38 dB 40 MHz 2 33 dB 40 MHz 3 4 5 _ 38 dB 80 MHz 2 33 dB 80 MHz 3 4 5 38 dB 100 MHz 2 33 dB 100 MHz 3 4 5 38 dB 200 MHz 2 33 dB 200 MHZ 3 4 5 38 dB 400 MHz 2 33 dB 400 MHZ 3 4 5 38 dB 600 MHz E 33 dB 600 MHz 3 4 5 38 dB 1000 3 5 V 2 33 dB 1
36. ach nominal value listed in Table 39 Compare the Calibrator resistance readings to the actual resistance values and the tolerance column of Table 39 Table 39 MeasZ Resistance Verification Calibrator Nominal Calibrator Actual MeasZ Resistance Resistance Resistance Range Value Reading Value Tolerance res 50 Q 400 0 04 Q res 50 Q 50 Q 0 05 Q res 50 Q 60 Q 0 06 Q res 1 MQ 600 kQ 600 Q res 1 MQ 1 MQ 1 kQ res 1 MQ 1 5 MQ 1 5 KQ MeasZ Capacitance Verification 62 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 SC1100 cable 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 e SC1100 cable Refer to Figure 17 for the proper setup connections Set the Calibrator to SCOPE mode with the MeasZ menu on the display Follow these steps to verify the MeasZ capacitance function 1 Set the Calibrator MeasZ capacitance
37. adjustments must be performed prior to calibration 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 adjusting the pots and trimmer caps e Extender Card e Oscilloscope and Sampling Head Tektronix 11801 with SD 22 26 or Tektronix TDS 820 with 8 GHz bandwidth e 10dB Attenuator Weinschel 9 10 SMA or Weinschel 18W 10 or equivalent e Cable provided with SC1100 e Spectrum Analyzer Hewlett Packard 8590A Adjusting the Leveled Sine Wave Function 64 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 Oscilloscope Calibrator Option SC1100 Hardware Adjustments Equipment Setup This procedure uses the spectrum analyzer Before beginning this procedure verify that the Calibrator is 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 Refer to Figure 9 for setup connections and connect the Calibrator 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
38. alibration High Frequency Calibration Connect the Calibrator 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 press the power meter ENTER key e Allow the power meter reading to stabilize e 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 Ensure that the factor is correct then press the power meter ENTER key Adjust the amplitude using the Calibrator front panel knob until the power sensor reading matches the 10 MHz reference within 0 1 Repeat steps 1 through 5 until the Calibrator display indicates that either the reference frequency is now 50 kHz or the next steps calibrate pulse width Repeat low frequency calibration for the next amplitude unless the Calibrator display indicates that the next steps calibrate pulse width Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants Oscilloscope Calibrator Option Calibration
39. ance Verification ceea 40 MeasZ Capacitance Verification sees eee eee eee Figure E RAO ID ee SS List of Figures SC1100 Block Diagratn sys esa se ca a aa aaa iai lg at a Da aa ao i Equipment Setup for SC1100 Voltage Square Wave Measurements e e Equipment Setup for SC1100 Edge and Wave Gen Square Wave Measurements Connecting the Calibrator to the 5790A AC Measurement Standard sss ss MeasZ Function Calibration Setup ss sees sese nene na na nana aan aan AC Voltage Frequency Verification Setup sese eee eee nene eee Edge Rise Time Verification Setup sese eee eee eee eee aa ana anna anna ae Edee Rise Iesi i tt acela ta ot i atat a tau ami aia a n ue ad Leveled Sine Wave Harmonics Verification Setup sese eee eee nenea na na Connecting the Calibrator to the 5790A AC Measurement Standard sss ss Connecting the HP 437B Power Meter to the HP 8482A or 84810 Power SENSO sisstccsacatesnsoeizessleastevsskesedinnaseueavancydtes seed nd ta aa ai Connecting the Calibrator to the HP Power Meter and Power Sensor Wave Generator Verification Setup esse esse ee eee na na ana anna nana Overload Function Verification Setup sese eee eee eee Adjusting the Leveled Sine Wave Balance nene eee eee eee anna Adjusting the Leveled Sine Wave Harmonics sss sees eee nene eee eee anna Adjusting Short Term Edge cica ese ceata dota oi di tt ate od aaa 5520A SC1100 Service Manual vi 5520A SC1100 Option Introduction Thi
40. and Verification of Square Wave Voltage Functions Pulse Width Calibration 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 SC1100 cable BNC cable Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure Pulse Width Follow these steps to calibrate pulse width 1 8 Connect the SC1100 cable to the Calibrator s SCOPE connector Connect the other end of the SC1100 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 SC1100 cable connect the Calibrator s TRIG OUT connector to the 11801 s Trigger Input Set the 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 Press the GO ON blue softkey 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 front panel knob until a pulse is output If the Calibrator prompts to adjust the pulse width adjust the pulse width to as close to 4 ns as possible using the Cali
41. are Wave Voltage Functions 0 Overview of HP3458A Operation men eee nenea emana na na anna anna Setup for SC1100 Voltage Square Wave Measurements sees eee eee eee e Setup for SC1100 Edge and Wave Gen Square Wave Measurements DC Voltage Calibrations cp sacosa da anii al i lu e ap AC Voltage Cali brati o Meen scie cei a atata i aaa ai Gai a ua Da 5520A SC1100 Service Manual Wave Generator Calibration sse eee eee Edge Amplitude Calibration soronvonnvvnnnvnnvnenvnnnrnrvrervranenensnensnensnvnsnvnsnvesnnee Leveled Sine Wave Amplitude Calibration sss sese eee eee Leveled Sine Wave Flatness Calibration sss sees eee eee eee eee Low Frequency Calibration caen eee aaa anno anna ana High Frequency Calibration joss ca cp cnc sa cea copac nas a a ao rehe Pulse Width Calibration men nene eee eee E na aaa ana anna MeasZ Calibration cece centers iesiti rit d 50 ta 28 Cp lt et Ea VErLDICAtI OD asia acu caro Ai cor ued Da ai Da i Danei SN DC Voltage VerificatlOn necesa tag oaia a ana tea ia a erd e aa i aa ni Verification at LM O sis piano ao nica n ace aia cae dala Veiiicauioniat 500 002 cette acad Doe ao Da pt ta alu lunca a od AC Voltage Amplitude Verification ceea aaa ana anna Verification O T mms pina poanta a catena a nn ll ada assess Verification at SOO ns cacao mc dana ai e aaa luca ea daia be a AC Voltage Frequency Verification esse sees eee eee eee Edge Amplitude Verification sees sese eree Edge STA T
42. as shown in Figure 15 Adjusting the Leveled Sine Wave VCO Balance Once the setup described above is completed perform the following procedure to adjust the VCO balance for the leveled sine wave function 1 2 Program the Calibrator 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 15 to identify the spur Adjust the wave until the spur is at a minimum by slowly rotating R1 shown in the diagram counterclockwise until the spur is at a minimum As it is adjusted the spur will move down the waveform towards the right As soon as the spur is minimized stop rotating R1 If rotated too far the spur will reappear Once R1 has been turned to the point at which the spur is at a minimum the signal is balanced between the VCOs and the adjustment is complete om052f eps Figure 15 Adjusting the Leveled Sine Wave Balance 65 5520A SC1100 Service Manual Adjusting the Leveled Sine Wave Harmonics 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 proce
43. asuring 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 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 SC1100 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 SC1100 cable e 50 Q feedthrough termination Refer to Figure 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 Follow these steps to calibrate edge amplitude 1 Connect the Calibrator s SCOPE connector to the HP 3458A input using the SC1100 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 correspondi
44. brator Output HP 3458A Rdg V DC Reading x correction Tolerance V DC 0 mV 0 00004 V 2 49 mV 4 623E 05 V 2 49 mV 4 623E 05 V 9 90 mV 6 475E 05 V 9 90 mV 6 475E 05 V 24 9 mV 0 0001023 V 24 9 mV 0 0001023 V 109 9 mV 0 0003148 V 109 9 mV 0 0003148 V 499 mV 0 0012875 V 499 mV 0 0012875 V 2 19 V 0 005515 V 2 19 V 0 005515 V 6 599 V 0 0165375 V 6 599 V 0 0165375 V AC Voltage Amplitude Verification This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter e 50 Q feedthrough termination e SC1100 cable e BNC cable to connect the Calibrator TRIG OUT to the HP 3458A Ext Trig For ac voltage amplitude verification refer to Figure 2 for the proper setup connections Set the Calibrator to SCOPE mode with the volt menu on the display Follow these steps to verify the ac voltage function Verification at 1 MQ For the 1 MQ verification connect the Calibrator s SCOPE connector to the HP 3458A input and the BNC f to Double Banana adapter Connect the Calibrator TRIG OUT connector to the HP 3458A Ext Trig connector located on the rear of that instrument Make sure the Calibrator impedance is set to I MQ The blue softkey under Output toggles the impedance between 50 Q and I MQ 29 5520A SC1100 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 o
45. brator front panel knob then press the GO ON blue softkey Allow the DSO width reading to stabilize Enter the reading via the Calibrator front panel keypad then press ENTER Note The Calibrator 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 Repeat steps 5 through 7 until the Calibrator prompts to connect a resistor Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants 23 5520A SC1100 Service Manual 24 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 The resistors and capacitor must make a solid connection to a BNC f to enable a connection to the end of the SC1100 cable The resistance and capacitance values must be known at this BNC f connector Fluke uses an HP 3458A DMM to make a 4 wire ohms measurement at the
46. cations nana na nn eee ea nana Time Marker Specifications srernrnrvnrronrronvrenvnenvnnnvennnnnenenenrnsraserssensssnsssnee Wave Generator Specifications men nenea enma na anna ana anna Pulse Generator Specifications ee eee eee Trigger Signal Specifications Pulse Function sees sees eee eee Trigger Signal Specifications Time Marker Function Trigger Signal Specifications Edge Function sss sese eee Trigger Signal Specifications Square Wave Voltage Function Trigger Signal Specifications sere cc nenea eoni ieee Oscilloscope Input Resistance Measurement Specifications sees eee eee Oscilloscope Input Capacitance Measurement Specifications sese eee Overload Measurement Specifications sees eee eee eree Theory of Operation knea oase dressen pi n h or ete datar Voltage Mode sacosa Setene Edge Moden ae a ei ao a ta ainu na ll a a a a bg al a Et Leveled Sine Wave Mode ceea enma enma anna aa aaa anna ana ana Tine Market Mode scai pace e lase tale 0 ada i a ed ce cual Wave Generator Mode ici cca canal caii c daia al du aaa Pulse Generator Modesi seic agita cana act ad beau lt aa i Input Impedance Mode Resistance sss essen Input Impedance Mode Capacitance sss sss sese Overload M de ce ice pa cea aaa n at a at aa Das denen eels Equipment Required for Calibration and Verification sees sees eee eee SC1100 Calibration Setup eee nana anna ana anna nana aan Calibration and Verification of Squ
47. cility 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 SC1100 Equipment Setup The following equipment is needed for this procedure Oscilloscope Tektronix 11801 with SD22 26 input module or Tektronix TDS 820 with 8 GHz bandwidth 10 dB Attenuator Weinschel 9 10 SMA or Weinschel 18W 10 or equivalent Output cable provided with the SC1100 Before beginning this procedure verify that the SC1100 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 7 for the proper setup connections and connect the Calibrator to the oscilloscope 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 Adjusting the Edge Aberrations Refer to Figure 17 while making the following adjustments 1 Adjust A90R 13 to set the edge signal at the right edge of oscilloscope display at 10 ns to the reference level set above Adjust A90R36 so the first overshoot is the same amplitude a
48. d in Table 35 Allow the 5790A reading to stabilize then record the 5790A rms reading for each wave type and voltage in Table 35 Multiply the rms reading by the conversion factor listed to convert it to the peak to peak value Compare result to the tolerance column Oscilloscope Calibrator Option Verification Verification at 50 2 Set the Calibrator impedance to 50 Q The blue softkey under SCOPE Z toggles the impedance between 50 Q and 1 MQ 1 Connect the SC1100 cable to the Calibrator s SCOPE connector Connect the other end of the SC1100 cable to the 50 O 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 3 Program the Calibrator to output the wave type and voltage listed in Table 36 Allow the 5790A reading to stabilize then record the 5790A rms reading for each wave type and voltage in Table 36 5 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 57 5520A SC1100 Service Manual Table 35 Wave Generator Verification at 1 MQ
49. dc 0 0007 50 mV 10 kHz 100 mV dc 0 0012 100 mV 10 kHz 1 V de 0 0022 500 mV 10 kHz 1 V de 0 0102 1 00 V 10 kHz 1 Vdc 0 0202 2 5 V 10 kHz 10 V dc 0 0502 33 5520A SC1100 Service Manual Edge Frequency Verification This procedure uses the following equipment e PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 e SC1100 cable Refer to Figure 6 for proper setup connections Set the Calibrator to SCOPE mode with the edge menu on the display Press on the Calibrator to activate the output Follow these steps to verify edge frequency 1 Set the PM 6680 s FUNCTION to measure frequency on channel A with auto trigger measurement time set to I second or longer 50 Q impedance and filter off 2 Using the SC1100 cable connect the SCOPE connector on the Calibrator to PM 6680 channel A Program the Calibrator to output 2 5 V at each frequency listed in Table 25 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 25 Compare to the tolerance column of Table 25 Table 25 Edge Frequency Verification Output 2 5 V p p PM 6680 Reading Frequency Tolerance 1 kHz 0 0025 Hz 10 kHz 0 025 Hz 100 kHz 0 25 Hz 1 MHz 2 5 Hz 10 MHz 25 Hz Calibrator Frequency Edge Duty Cycle Verification 34 This procedure uses the following equipment e PM 6680 Frequency Counter e SC1100 cable Refer to Figure 6 for proper setup co
50. dure are not valid for verification 1 Set the SC1100 output to 150 MHz 5 5 V 2 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 the 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 16 3 To adjust the harmonics adjust R8 as shown in Figure 16 until the peaks of the second and third harmonic are at the correct dB level It may be possible to 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 16 Adjusting the Leveled Sine Wave Harmonics 66 Oscilloscope Calibrator Option SC1100 Hardware Adjustments Adjusting the Aberrations for the Edge Function Adjustments need to be made after repair to the edge function to adjust the edge aberrations Note To verify the edge aberrations back to national standards send the Calibrator to Fluke or other fa
51. e square wave signal Setup for SC1100 Voltage Square Wave Measurements 16 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 Voltage Square Wave up to 10 kHz To make these measurements the HP 3458A s External Trigger function is used in conjunction with the SC1100 s External Trigger output In general the HP 3458A 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 digital multimeter hereafter referred to as DMM is measuring Table 16 summarizes the DMM settings required to make topline and baseline measurements Figure 2 illustrates the proper connections for this setup Table 16 Voltage HP3458A Settings Voltage HP 3458A Settings Input Frequency NPLC DELAY topline DELAY baseline 100 Hz 1 007 s 012 s 1 kHz 01 0007 s 0012 s 5 kHz 002 00014 00024 10 kHz 001 00007 00012 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 kH
52. e with the overload menu on the display Connect the SC1100 cable to the Calibrator SCOPE connector Follow these steps to verify the overload function 1 Connect the 50 Q feedthrough termination to the end of the SC1100 cable 2 Program the Calibrator output for 5 000 V DC OUT VAL blue softkey and time limit 60 s T LIMIT blue softkey 63 5520A SC1100 Service Manual 3 Press on the Calibrator to activate the output and verify that the OPR display timer increments 4 Remove the 50 Q feedthrough termination before 60 seconds and verify that Calibrator goes to STBY Reconnect the 50 Q feedthrough termination to the end of the SC1100 cable Program the Calibrator output for 5 000 V ac OUT VAL blue softkey Press on the Calibrator to activate the output and verify that the OPR display timer increments 8 Remove the 50 Q feedthrough termination before 60 seconds and verify that Calibrator goes to STBY SC1100 Hardware Adjustments Hardware adjustments must be made to the leveled sine and edge functions each time the SC1100 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 The hardware adjustments are intended to be one time adjustments performed in the factory however adjustment may be required after repair Hardware
53. e Calibrator to the HP Power Meter and Power Sensor 43 5520A SC1100 Service Manual 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 32 1 Program the Calibrator for an output of 5 5 V 500 kHz Press on the Calibrator to activate the output 2 Allow the 5790A reading to stabilize The 5790A should display approximately 1 94 V rms Enter the 5790A reading in Column A of Table 32 3 Enter 50 kHz into the Calibrator Allow the 5790A reading to stabilize then enter the 5790A reading in Column B of Table 32 4 Enter the next frequency listed in Table 32 Allow the 5790A reading to stabilize then enter the reading into Column A of the table 5 Enter 50 kHz into the Calibrator Allow the 5790A reading to stabilize then enter the 5790A reading in Column B of Table 32 6 Repeat steps 4 and 5 for all of frequencies listed in Table 32 Continue until Columns A and B are completed 7 Press to remove the Calibrator s output Complete Table 32 by performing the calculations for column C Compare Column C to the specifications listed in the final column Table 32 Low Frequency Flatness Verification at 5 5 V Calibrator B Calibrator Flatness Frequency A 50 kHz C Specification 500 kHz 1 50 1 MHz 1 50 2 MHz 1 50 5 M
54. e Ee Edge Duty Cycle Verification manea eee na na anna ana anna Edge Rise Time TRT Te mccain La a Edge Abberation Verification sese eee eree eee eee Tunnel Diode Pulser Drive Amplitude Verification Leveled Sine Wave Amplitude Verification sss sese eee eee eee Leveled Sine Wave Frequency Verification sss sees eee eee eee Leveled Sine Wave Harmonics Verification c cm eee eee eee eee nana Leveled Sine Wave Flatness Verification ss ees Equipment Setup for Low Frequency Flatness sss cee nenea eee eee Equipment Setup for High Frequency Flatness sss ceea eee eee Low Frequency Verification sranvronvnrnvvnnnvnnnvnnvnenvnenvarernsvrasensssnsssnerenee High Frequency Verification 0 0 0 nenea eee eee nana eee cds nana Time Marker Verification cme nana nene eee eee nana emana na anna ana anna Wave Generator Verification seisseen erdaran e E Verification at LMOQ sinc socata poa aaa a ant impas nada Ei Verification at 50003 sonanitnn ia e nat ae na ont atat ac aa Pulse Width Verification manea na na ema nana amana eee Pulse Period Verification sses erisir o o aud a ala dt aa paid bee MeasZ Resistance Verification eee eee eee eee MeasZ Capacitance Verification sese ee eee ee eee eee Overload Function Verification sss esse sese eee eee eee SC1100 Hardware Adjustment sss sese sese eee ee eee eee Equipment S TTT Adjusting the Leveled Sine Wave Function sees Equipment E n cute a d oa a o a ala i ai it O Ea e aa da Adjusting t
55. ead or Tektronix TDS 820 High Frequency Digital Storage Frequency 12 5 GHz Oscilloscope with 8 GHz bandwidth Resolution 4 5 mV to 2 75 V Weinschel 9 10 SMA or Weinschel Attenuator 18W 10 or equivalent Adapter SC1100 Cable N BNC supplied with SC1100 10 dB 3 5 mm m f BNC f to 3 5 mm m BNC BNC Cable For Trigger Out Connection Leveled Sine Wave Amplitude Calibration and Verification AC Measurement Range 5 mV p p to 5 5 V p p Standard Fluke 5790A Frequency 50 kHz Adapter Pomona 1269 BNC f to Double Banana Plug Termination Feedthrough 50 Q 1 SC1100 Cable supplied with N BNC SC1100 DC and AC Voltage Calibration and Verification DC Voltage Verification Digital Multimeter HP 3458A Adapter Pomona 1269 BNC f to Double Banana Plug Termination Feedthrough 50 Q 1 SC1100 Cable supplied with N BNC SC1100 BNC BNC Cable For Trigger Out Connection Oscilloscope Calibrator Option Equipment Required for Calibration and Verification Table 15 SC1100 Calibration and Verification Equipment cont High Frequency Digital Storage Oscilloscope Attenuator Adapter 2 BNC BNC Cable SC1100 Cable N BNC Pulse Width Calibration and Verification Tektronix 11801 with Tektronix SD 22 26 sampling head 3 dB 3 5 mm m f BNC f to 3 5 mm m supplied with SC1100 For Trigger Out Connection Leveled Sine
56. eference capacitor by the Calibrator disconnect the 1MQ resistance and leave nothing attached to the end of the SC1100 cable Press the GO ON blue softkey 9 Enter 0 10 When prompted for the second reference capacitor by the Calibrator connect the 50 pF capacitance to the end of the SC1100 cable 11 Press the GO ON blue softkey 12 Enter the actual 50 pF capacitance 13 The Calibrator will prompt that the calibration is complete Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants Verification All of the oscilloscope calibration functions should be verified at least once per year or each time the SC1100 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 SC1100 at their own site if they are required to do so Fluke strongly recommends that if possible return the unit to Fluke for calibration and verification All equipment specified for SC1100 verification 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 B
57. efore beginning verification review all of the procedures in advance to ensure the resources to complete them are present All of the SC1100 functions are listed in Table 18 with the verification technique indicated 25 5520A SC1100 Service Manual 26 Table 18 Verification Methods for SC1100 Functions Function Verification Method DC Voltage Procedure provided in this manual AC Voltage amplitude Procedure provided in this manual AC Voltage frequency Procedure provided in this manual Edge amplitude Procedure provided in this manual Edge frequency duty cycle rise time Procedure provided in this manual Tunnel Diode Pulser amplitude Procedure provided in this manual See Voltage and Edge Calibration and Verification for details Leveled sine wave amplitude frequency harmonics and flatness Procedures provided in this manual Time marker period Procedure provided in this manual Wave generator amplitude Procedure provided in this manual Pulse width period Procedure provided in this manual MeasZ resistance capacitance Procedure provided in this manual Overload functionality Procedure provided in this manual DC Voltage Verification This procedure uses the following equipment e Hewlett Packard 3458A Digital Multimeter e BNC f to Double Banana adapter e 50 Q feedthrough termination e C1100 cable For DC voltage verification refer to Figure 3 for
58. equency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present frequency W CF Column A entry CF Column B entry Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry 51 5520A SC1100 Service Manual 52 Table 33 High Frequency Flatness Verification cont amplitude Calibrator B Calibrator Flatness Spec Freq MHz A 10MHz c D E 4 5 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 0 8 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A n D C7 Ww Enter the 437B present frequency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present korp W CF Column A entry Apply power sensor correction factor for 10 MHz W C
59. erived from this signal and generated on the A41 board The output of the A41 board is passed to the A45 Signal board also attached to the A45 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 positive and negative dc and ac signals that are amplified or attenuated to provide the complete range of output signals Edge Mode The edge clock originates on the DDS A6 board and is passed to the A45 board The signal is then shaped and split to generate the fast edge and external trigger signals The edge signal is passed from the A45 board first to the attenuator assembly where range attenuation occurs and then to the SCOPE connector N BNC on the front panel If turned on the trigger is connected to the Trig Out BNC on the front panel Leveled Sine Wave Mode All leveled sine wave signals from 50 kHz to 1100 MHz are produced on the A45 and A92 assemblies For frequencies 50 kHz to 600 MHz the A45 PLL and output amplifier is used For 600 MHz and above the A92 PLL and output amplifier is used The leveled sine wave signal is passed from the A45 module to the on board A91 attenuator assembly The attenuator assembly provides range attenuation and contains a power detector which maintains amplitude flatness across the frequency range The signal is then passed to the SCOPE N connector on the front panel 5520A SC1100 Service Manual 10 Time Marker Mode
60. f the wave form and the DELAY to 0012 for measuring the baseline of the wave form 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 Enable the Calibrator external trigger by toggling the blue softkey under TRIG to 1 Measure the topline first as indicated in Table 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 Setup for SC1100 Voltage Square Wave Measurements for more details 4 Measure the baseline of each output after the corresponding topline measurement as indicated in Table 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 16 See Setup for SC1100 Voltage Square Wave Measurements Table 21 AC Voltage Verification at 1 MQ Calibrator Output 1 kHz or as HP 3458A Topline Baseline Noted Range Reading Reading Peak to Peak Tolerance V 1mV 100 mV dc 0 000041 1 mV 100 mV de 0 000041 10 mV 100 mV de 0 00005 10 mV 100 mV ac 0 00005 25 mV 100 mV de 0 000065 25 mV 100 mV ac 0 000065 110 mV 100 mV de 0 00015 110
61. hat 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 Calibrator in an atmosphere of explosive gas CHECK INSULATION RATINGS Verify that the voltage applied to the unit under test does not exceed the insulation rating of the UUT and the interconnecting cables DO NOT REMOVE COVER DURING OPERATION To avoid personal injury or death do not remove the Calibrator cover without first removing the power source connected to the rear panel Do not operate the Calibrator without the cover properly installed Normal calibration is accomplished with the cover closed Access procedures and the warnings for such procedures are contained in the Service Manual Service procedures are for qualified service personnel only DO NOT ATTEMPT TO OPERATE IF PROTECTION MAY BE IMPAIRED If the Calibrator appears damaged or operates abnormally protection may be impaired Do not attempt to operate the Calibrator under these conditions Refer all questions of proper Calibrator operation to qualified service personnel Table of Contents INTOdUCUOI sii catei ien aa ba aa aa odat st aug a at a a Maintenance irsin ei te etalat ii gt ia 00 ii d bg dt 80 a SC1100 Specriications socata a deal n Ba eked ones Volt SPecmCations seama azg Tare v i caca da ua pda a aa Edse Specifications pate cutia a a E a li aan a ui ue Leveled Sine Wave Specifi
62. he Leveled Sine Wave VCO Balance Adjusting the Leveled Sine Wave Harmonics cescesseceseceseeeeeenaees Adjusting the Aberrations for the Edge Function sese Equipment SEP caseta pe inca nd 2 ata 0 ba d Adjusting the Edge Aberrations c cena ana anna ana anna Adjusting Frequency sosise cc cae aaa dened ac ada ci lea aa acd Index Table OOS SVA Ge o List of Tables VOlL SpecIiiCatiOns iscate ie ob e a aia al i E E Edge SpeciliCationis picat datata e dala ta isise n Enie i REEE indeed Leveled Sine Wave Specifications eee eee eee Time Marker Speciiicatioms si cepe ei sean ana atat aa ln ua dala da va at Wave Generator Specifications nene eee eee enma eee aaa anna anna anna Pulse Generator Specifications cm nenea nene na nn ema anna aaa deresi Trigger Signal Specifications Pulse Function sss eee emana Trigger Signal Specifications Time Marker Function Trigger Signal Specifications Edge Function ssornnvnrnvnnnrnrvrnrenrrenrnsnensnvnsnvenneee Trigger Signal Specifications Square Wave Voltage Function TV Trigger Signal Specifications sese eee eree eee Oscilloscope Input Resistance Measurement Specifications rrrnvnrnvvnnvvnvnrnnnnne Oscilloscope Input Capacitance Measurement Specifications eee Overload Measurement Specifications sees nenea nana emana na ana nana ea SC1100 Calibration and Verification Equipment sse nene eee eee eee anna eee Voltage HP3458A Settin es noa oastea ai ap
63. ignals for the wavegen function are generated from the A6 board and are passed to the A45 board They are then sent to the attenuator assembly where range attenuation occurs Wavegen signals are then sent to the SCOPE N connector on the front panel Pulse Generator Modes Video and pulse generator mode signals are derived from dedicated circuitry on the A45 board If there are faults associated only with these functions the A45 board most likely needs replacement Input Impedance Mode Resistance The reference resistors for this mode are on the A45 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 A45 board utilizing signals from the leveled sine wave source If there are faults associated only with capacitance measurement the A45 board most likely needs replacement Overload Mode The source voltage for the overload mode is generated on the A41 Voltage Video board of the A45 board The voltage is applied to the external 50 load and the circuit current is monitored by the A6 DDS board Oscilloscope Calibrator Option Theory of Operation DN rea RE i A ES ee cd ui 1 Time Marker LF PWB i 5 s to 50 ms 1 500 i l I Time Marker LF Mux 1 O 1 re Analog Shaped ROL E 10 ms to 2 us O DDS Time Marker Oscilloscope Calibrator Pulse Shaped irons 1 us 10 ns Trigger BNC Trigge
64. ilter on the PM 6680 as indicated in the table Program the Calibrator to output as listed in Table 30 Press on the Calibrator to activate the output 5 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each frequency listed in Table 30 39 5520A SC1100 Service Manual 40 Table 30 Leveled Sine Wave Frequency Verification Calibrator Frequency PM 6680 Settings PM 6680 Reading Output 5 5 V p p Channel Filter Frequency Tolerance 50 kHz A On 0 125 Hz 500 kHz A Off 1 25 Hz 5 MHz A Off 12 5 Hz 50 MHz A Off 125 Hz 500 MHz C Off 1250 Hz 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 e SC1100 cable Refer to Figure 9 for proper setup connections HP 8590 5520A SC1100 FLLIKE 5520A CALIBRATOR NORMAL AUX SCOPE VO RTD A N SENSE AUX V ou SC1100 BNC F Cable to Type N M Adapter N ze059f eps Figure 9 Leveled Sine Wave Harmonics Verification Setup Set the Calibrator to SCOPE mode with the levsine menu on the display Follow these steps to verify the leveled sine wave harmonics 1 Using the SC1100 cable and BNC f to Type N m adapter connect the SCOPE connector on the Calibrator to the HP 8590A 2 Program the Calibrator to 5 5 V p p at each frequency listed in T
65. ime Table 26 Edge Rise Time Verification om033i eps 36 DSO Calibrator Output Vertical A B Axis 11801 Corrected Voltage Frequency mV div Reading Reading 250 mV 1 kHz 20 0 250 mV 1 MHz 20 0 250 mV 10 MHz 20 0 500 mV 1 kHz 50 0 500 mV 1 MHz 50 0 500 mV 10 MHz 50 0 1V 1 kHz 100 0 1V 1 MHz 100 0 1V 10 MHz 100 0 2 5 V 1 kHz 200 0 2 5 V 1 MHz 200 0 2 5 V 10 MHz 200 0 Tolerance lt 300ps lt 300ps lt 350ps lt 300ps lt 300ps lt 350 ps lt 300 ps lt 350 ps lt 300 ps lt 300 ps lt 350 ps lt 300 ps Oscilloscope Calibrator Option Verification Edge Abberation Verification The following equipment is needed for this procedure e Tektronix 11801 oscilloscope with SD22 26 sampling head e Output cable provided with the SC1100 Before beginning verify that the 5520A SC1100 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 Referring to Figure 7 connect the Calibrator to the oscilloscope 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
66. is manual have been developed to provide users the ability to calibrate the SC1100 at their own site if they are required to do so It is strongly recommended that if possible return the unit to Fluke for calibration and verification The Calibrator must be fully calibrated prior to performing any of the SC1100 calibration procedures Calibration must be performed after any hardware adjustments See Hardware Adjustments in this manual 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 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 The Calibrator must complete a warm up and the SC1100 must be enabled for at least 5 minutes prior to calibration to allow internal components to thermally stabilize The Calibrator warm up is at least twice the length of time the calibrator was powered off up to a maximum of 30 minutes The SC1100 is enabled by pressing the front panel SCOPE key The green indicator on the SCOPE key will be illuminated when the SC1100 is enabled Much of the SC1100 can be calibrated interactively from the front panel Enable the SC1100 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 CA
67. lerance 80 ns 2 us 5E 12 s 500 ns 10 us 2 5E 08 s 500 ns 20 ms 5 0E 08 s 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 The resistors must make a solid connection to a BNC f to enable a connection to the end of the SC1100 cable 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 Q nominal e adapters to connect resistors to BNC f connector e SC1100 cable Refer to Figure 17 for the proper setup connections Set the Calibrator to SCOPE mode with the MeasZ menu on the display Follow these steps to verify the MeasZ resistance function 1 Set the Calibrator MeasZ resistance range as indicated in Table 39 The blue softkey under MEASURE toggles the MeasZ ranges 2 Using the SC1100 cable connect the SCOPE connector to the BNC f connector attached to the nominal resistance values indicated in Table 39 The 600 KQ 61 5520A SC1100 Service Manual nominal value can be achieved by connecting the 1 5 MQ and 1 MQ resistors in parallel 3 Allow the Calibrator reading to stabilize then record the Calibrator resistance reading for e
68. lue softkey 4 Press to activate the operating mode on the Calibrator 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 front panel keypad then press ENTER Note The Calibrator 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 6 Repeat step 5 until the Calibrator display indicates that the next steps calibrate Leveled Sine flatness Press the OPTIONS then STORE CONSTS blue softkeys to store the new calibration constants yg034f eps Figure 4 Connecting the Calibrator 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
69. mV 100 mV ac 0 00015 500 mV 1V ac 0 00054 500 mV 1 Vde 0 00054 22V 10 V de 0 00224 2 2V 10 V de 0 00224 11 V 10 V de 0 01104 11V 10 V de 0 01104 130 V 1000 V de 0 13004 130 V 1000 V de 0 13004 200 mV 100 Hz 1 V de 0 00024 200 mV 1 kHz 1 V de 0 00024 200 mV 5 kHz 1 V de 0 00054 200 mV 10 kHz 1 Vdc 0 00054 22V 100Hz 10 V de 0 00224 2 2V 5kHz 10Vdc 0 00554 2 2V 10kHz 10 Vdc 0 00554 Oscilloscope Calibrator Option Verification Verification at 50 2 For the 50 Q verification connect the Calibrator s SCOPE connector to the HP 3458A input using the cable supplied with the Calibrator the external 50 Q termination and the BNC f to Double Banana adapter The 50 Q termination is closest to the HP 3458A input Connect the Calibrator TRIG OUT connector to the HP 3458A Ext Trig connector located on the rear of that instrument Make sure the Calibrator impedance is set to 50 Q The blue softkey under Output toggles the impedance between 50 Q and 1 MQ 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 wave form 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 mea
70. mplitude Calibrator B Calibrator Flatness Spec V Frea MHz A homz c D E 0 025 5 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 0 039 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A n D C7 Ww Enter the 437B present frequency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present korp W CF Column A entry Apply power sensor correction factor for 10 MHz W Compute and enter Error relative to 10 MHz 100 entry sqrt Column D entry Column B entry aes C entry sqrt Column D Oscilloscope Calibrator Option Verification Table 33 High Frequency Flatness Verification cont amplitude Calibrator B Calibrator Flatness Spec V Frea MHz A homz c D E 0 04 5 50 MHz 1 50 100 MHz
71. ng 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 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 SC1100 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 Make this correction by multiplying the readings by 0 5 50 Rload Rload where Rload actual feedthrough termination resistance Leveled Sine Wave Amplitude Calibration 20 This procedure uses the following equipment e 5790A AC Measurement Standard e BNC f to Double Banana Plug Adapter e 50 Q feedthrough termination e SC1100 cable Press the OPTIONS and NEXT SECTION blue softkeys until the display reads Set up to measure leveled sine amplitude Follow these steps to calibrate Leveled Sine Wave amplitude Oscilloscope Calibrator Option Calibration and Verification of Square Wave Voltage Functions 1 Connect the SC1100 cable to the Calibrator s SCOPE connector Connect the other end of the SC1100 cable to the 50 Q 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 Press the GO ON b
72. nnections Set the Calibrator to SCOPE mode with the edge menu on the display Press on the Calibrator to activate the output Follow these steps to verify Edge duty cycle 1 Set the PM 6680 s FUNCTION to measure duty cycle on channel A with auto trigger measurement time set to I second or longer 50 Q impedance and filter off 2 Using the SC1100 cable connect the SCOPE connector on the Calibrator to PM 6680 channel A Program the Calibrator to output 2 5 V at I MHz 4 Allow the PM 6680 reading to stabilize Compare the duty cycle reading to 50 5 Oscilloscope Calibrator Option Verification 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 e 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 e SC1100 cable e BNC BNC cable Connect the SC1100 cable to the Calibrator s SCOPE connector Connect the other end of the SC1100 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 the BNC BNC cable connect the Calibrator s TRIG OUT connector to the 11801 s Trigger Input Refer to Figure 7 Tek 11801 5520A SC1100
73. ompute and enter Error relative to 10 MHz 100 entry sqrt Column D entry Column B entry aes C entry sqrt Column D Oscilloscope Calibrator Option Verification Table 33 High Frequency Flatness Verification cont amplitude Calibrator B Calibrator Flatness Spec Freq MHz A 10MHz c D E 2 5 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1 3 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300 MHz 2 00 350 MHz 3 50 400 MHz 3 50 450 MHz 3 50 500 MHz 3 50 550 MHz 4 00 600 MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A n D C7 Ww Enter the 437B present frequency Reading W Enter the 437B 10 MHz Reading W Apply power sensor correction factor for present kp W CF Column A entry Apply power sensor correction factor for 10 MHz W Compute and enter Error relative to 10 MHz 100 entry sqrt Column D entry Column B entry ee C entry sqrt Column D 53 5520A SC1100 Service Manual
74. p of U60 68 A AC voltage frequency function verification 3 C calibration SC1100 1 measZ Pulse Width 23 D DC voltage function verification E edge duty cycle function verification edge frequency function verification edge function rise time verification specifications theory of operation E trigger specifications H error messages SC option not installed 2 H hardware adjustments for SC1 100 64 L leveled sine wave function adjusting harmonics adjusting VCO balance amplitude verification Index equipment setup flatness verification high frequeney 22 high frequency at 5 5 V 44 low frequency low frequency at 5 5 V 44 low frequency equipment setup Low frequency equipment setup frequency verification harmonics verification specifications theory of operation M measZ capacitance verification measZ function calibration capacitance specifications 8 resistance specifications 8 measZ resistance verification 0 overload function specifications 8 verification P pulse function trigger specifications pulse generator function specifications pulse period verification 61 pulse width function calibration equipment setup 23 Calibration 5520A SC1100 Service Manual verification V equipment setup 60 verification pulse width verification 60 SC1100 AC voltage freq
75. plitude Verification Calibrator HP 3458A Topline Baseline Tolerance Output Range Reading Reading Peak to Peak V 11 100 V de 0 2202 11 100 V de 0 2202 55 100 V de 1 1002 55 100 V de 1 1002 100 100 V de 2 002 100 100 V de 2 002 Leveled Sine Wave Amplitude Verification This procedure uses the following equipment 5790A AC Measurement Standard BNC f to Double Banana Plug adapter 50 Q feedthrough termination SC1100 cable Refer to Figure 17 for the proper setup connections Set the Calibrator to SCOPE mode with the levsine menu on the display Press on the Calibrator to activate the output Follow these steps to verify the leveled sine wave amplitude 1 Connect the SC1100 cable to the Calibrator s SCOPE connector Connect the other end of the SC1100 cable to the 50 Q 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 to output the voltage listed in Table 29 Allow the 5790A reading to stabilize then record the 5790A s rms reading for each voltage listed in Table 29 Multiply the rms reading by the conversion factor of 2 8284 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
76. ply 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 column 27 5520A SC1100 Service Manual 28 Table 19 DC Voltage Verification at 1 MQ Calibrator Output HP 3458A Reading VDC Tolerance V DC 0 mv 0 00004 V 1 25 mV 4 063E 05 V 4 25 mV 4 063E 05 V 2 49 mV 4 125E 05 V 2 49 mV 4 125E 05 V 2 5 mV 4 125E 05 V 2 5 mV 4 125E 05 V 6 25 mV 4 313E 05 V 6 25 mV 4 313E 05 V 9 90 mV 4 495E 05 V 9 90 mV 4 495E 05 V 10 0 mV 0 000045 V 40 0 mV 0 000045 V 17 5 mV 4 875E 05 V 47 5 mV 4 875E 05 V 24 9 mV 5 245E 05 V 24 9 mV 5 245E 05 V 25 0 mV 0 0000525 V 25 0 mV 0 0000525 V 67 5 mV 7 375E 05 V 67 5 mV 7 375E 05 V 109 9 mV 9 495E 05 V 109 9 mV 9 495E 05 V 110 mV 0 000095 V 410 mV 0 000095 V 305 mV 0 0001925 V 305 mV 0 0001925 V 499 mV 0 0002895 V 499 mV 0 0002895 V 0 50 V 0 00029 V 0 50 V 0 00029 V 1 35 V 0 000715 V 1 35 V 0 000715 V 2 19 V 0 001135 V 219 V 0 001135 V 2 20 V 0 00114 V 2 20 V 0 00114 V 6 60 V 0 00334 V 6 60 V 0 00334 V 10 99 V 0 005535 V 10 99 V 0 005535 V 11 0V 0 00554 V 11 0 V 0 00554 V 70 5 V 0 03529 V 70 5 V 0 03529 V 130 0 V 0 06504 V 130 0 V 0 06504 V Oscilloscope Calibrator Option Verification Table 20 DC Voltage Verification at 50 Q Cali
77. pment e Hewlett Packard 437B Power Meter or equivalent e Hewlett Packard 8482A and 8481D Power Sensors e BNC f to Type N f adapter e C1100 cable Note When high frequencies at voltages below 63 mV p p are verified use the 8481D Power Sensor Otherwise use the 8482A Power Sensor 42 Oscilloscope Calibrator Option Verification Connect the HP 437B Power Meter to either the 8482A or the 8481D Power Sensor as shown in Figure 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 as shown in Figure 12 The Hewlett Packard 437B 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 437B operators manual for details e PRESET e RESOLN 3 e AUTO FILTER e WATTS e SENSOR TABLE 0 default OMO35f eps Figure 11 Connecting the HP 437B Power Meter to the HP 8482A or 8481D Power Sensor Be A B 33 E a J300 OG a Da Ge yg036f eps Figure 12 Connecting th
78. r 1 10 100 1000 i Leveled Sine Wave HF PWB i and Time Marker EE Step Attenuator Module Output 5ns 1ns i Type N i Unleveled HF Mux l Leveled O O O I Og i i Sit o PrOpp detect i I S i Pwr Amp HF Mux 1 Leveling Loop mn i Edge U Level 600 1100 MHz i PLL and PWR Amp i Level Control I d Clock I pg L 10 MHz Clock A45 SC1100 Option ze031f eps Figure 1 SC1100 Block Diagram 11 5520A SC1100 Service Manual 12 Equipment Required for Calibration and Verification Table 15 lists the equipment recommended models and minimum specifications required for each calibration and verification procedure Table 15 SC1100 Calibration and Verification Equipment Wave Generator and Edge Amplitude Calibration AC Voltage and TD Pulser Verification Instrument Model Voltage _Minimum Use Specifications 1 8 mV to 130 V p p Uncertainty 0 06 Edge Digital Multimeter HP 3458A Adapter Pomona 1269 BNC f to Double Banana Plug 4 5 mV to 2 75 V p p Uncertainty 0 06 Termination Feedthrough 50 Q 1 used with Edge Amplitude Calibration and AC Voltage Verification SC1100 Cable supplied with N BNC SC1100 BNC BNC Cable For Trigger Out Connection Edge Rise Time and Aberrations Verification Tektronix 11801 with Tektronix SD 22 26 sampling h
79. range to cap The blue softkey under MEASURE toggles the MeasZ ranges 2 Connect the SC1100 cable to the Calibrator SCOPE connector but do not connect any thing to the end of this cable 3 Allow the Calibrator reading to stabilize then press the SET OFFSET blue softkey to zero the capacitance reading 4 Connect the end of the SC1100 cable to the BNC f connector attached to the nominal capacitor values indicated in Table 40 5 Allow the Calibrator reading to stabilize then record the Calibrator capacitance reading for each nominal value listed in Table 40 Compare the Calibrator capacitance readings to the actual capacitance values and the tolerance column of Table 40 Oscilloscope Calibrator Option Verification Table 40 MeasZ Capacitance Verification Calibrator Nominal Capacitance Actual Capacitance Value Reading Capacitance Value Tolerance 5 pF 0 75 pF 29 pF 1 95 pF 49 pF 2 95 pF Overload Function Verification This procedure uses the following equipment e 50 Q feedthrough termination e C1100 cable Refer to Figure 14 for setup connections 5520A SC1100 FLUKE 5520A CALIBRATOR SC1100 Cable A NORMAL AUX SCOPE V 0 RTD A N SENSE AUX V 50 Q Feedthrough Termination ee Azov PK WAX TG 20v PK MAX A ze061f eps Figure 14 Overload Function Verification Setup Set the Calibrator to SCOPE mod
80. rator Option Verification Table 33 High Frequency Flatness Verification cont amplitude Calibrator B Calibrator Flatness Spec V Freq MHz A 10 MHz C D E 0 0099 50MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300MHz 2 00 350MHz 3 50 400 MHz 3 50 450 MHz 3 50 500MHz 3 50 550MHz 4 00 600MHz 4 00 1000 MHz 5 00 0 01 50 MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300MHz 2 00 350MHz 3 50 400 MHz 3 50 450 MHz 3 50 500MHz 3 50 550MHz 4 00 600MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A Enter the 437B present frequency Reading W B Enter the 437B 10 MHz Reading W C Apply power sensor correction factor for present Aase W CF Column A entry D Apply power sensor correction factor for 10 MHz W Column B entry E Compute and enter Error relative to 10 MHz 100 Peel C entry sqrt Column D entry sqrt Column D entry 47 5520A SC1100 Service Manual 48 Table 33 High Frequency Flatness Verification cont a
81. s manual contains the following information and service procedures for the SC1100 Oscilloscope Calibration Option functions e Specifications e Theory of operation e Calibration procedures e Verification procedures e Hardware adjustments made after repair The calibration and verification procedures in this manual provide traceable results for all of the SC1100 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 15 under Equipment Required for Calibration and Verification The calibration and verification procedures in this manual are not those Fluke uses at the factory These procedures have been developed to provide the ability to calibrate and verify the SC1100 at a user s own site Review all of the procedures in advance to make sure the resources to complete them are present It is strongly recommended that if possible return the 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 5520A SC1100 Service Manual Maintenance There are no maintenance techniques or diagnostic remote commands for the SC1100 that are available to users If the SC1100 is not installed or not receiving power the following error message appears on the display when is pressed to access the oscilloscope calibration menus
82. s the next highest aberration Adjust A90R35 so that the second and third overshoot aberrations are the same amplitude as the first aberration Adjust A90R12 to set the edge signal occurring between 2 ns and 10 ns to the reference level set above Readjust A90R36 and A90R35 to obtain equal amplitudes for the first second and third aberrations Adjust A90R13 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 Readjust A90R12 if necessary to keep the edge signal occurring between 2 ns and 10 ns at the reference level Readjust A90R13 if necessary to keep the edge signal occurring between 0 ns and 2 ns at the reference level 67 5520A SC1100 Service Manual 9 Set the 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 11 Set the oscilloscope vertical to 5 mV div Check the aberrations 12 Check for rise time lt 300 ps at 250 mV 1 V and 2 5 V outputs 1st Aberration 2nd Aberration 3rd Aberration R36 R12 R13 R35 om050f eps Figure 17 Adjusting Edge Aberrations Adjusting Frequency The 10 MHz crystal oscillator U60 on the A45 board may need adjustment Make the adjustment by turning the pot on to
83. surements at each step See Table 22 2 Enable the Calibrator external trigger by toggling the blue softkey under TRIG to 1 Measure the topline first as indicated in Table 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 SC1100 Voltage Square Wave Measurements for more details 4 Measure the baseline of each output after the corresponding topline measurement as indicated in Table 22 The peak to peak value is the difference between the topline and baseline measurements Compare the result to the tolerance column Table 22 AC Voltage Verification at 50 Q Calibrator Output HP 3458A Topline Baseline Peak to Peak x Tolerance 1 kHz Range Reading Reading Peak to Peak Correction V 1 mv 100 mV dc 0 000043 1 mV 100 mV dc 0 000043 10 mV 100 mV dc 0 000065 10 mV 100 mV dc 0 000065 25 mV 100 mV dc 0 000103 25 mV 100 mV dc 0 000103 110 mV 100 mV dc 0 000315 110 mV 100 mV dc 0 000315 500 mV 1 Vdc 0 00129 500 mV 1 Vdc 0 00129 2 2 V 10 V dc 0 00554 2 2 V 10 Vdc 0 00554 6 6 V 10 V dc 0 01654 6 6 V 10 Vdc 0 01654 31 5520A SC1100 Service Manual AC Voltage Frequency Verification This procedure uses the following equipment e PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 e SC1100 cable 5520A SC1100 SC1100 Cable At 5
84. t Capacitance Measurement Specifications Scope input selected 1 MO Measurement Range 5 pF to 50 pF Uncertainty 5 of input 0 5 pF 1 1 Measurement made within 30 minutes of capacitance zero reference SC1100 option must be selected for at least five minutes prior to any capacitance measurement including the zero process Overload Measurement Specifications Table 14 Overload Measurement Specifications Voltage indication indication AC 1 kHz 5Vto9V 100 mA to 180 mA 10 mA setable 1 s to 60s Source Typical On current Typical Off current Maximum Time Limit DC or Oscilloscope Calibrator Option Theory of Operation Theory of Operation The following discussion provides a brief overview of the following SC1100 operating modes voltage edge leveled sine wave time marker wave generator video pulse generator input impedance and overload This discussion will help to identify which of the main plug in boards of the Calibrator are defective Figure 1 shows a block diagram of the SC1100 Option also referred to as the A45 board Functions that are not depicted in the figure are generated from the DDS Assembly A6 board Voltage Mode All signals for the voltage function are generated from the A41 Voltage Video board a daughter card to the A45 board A dc reference voltage is supplied to the A41 board from the A6 DDS board all de and ac oscilloscope output voltages are d
85. tage 1 Connect the Calibrator s SCOPE connector to the HP 3458A input using the SC1100 cable and the BNC f to Double Banana adapter 2 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on Press the GO ON blue softkey 4 Ensure the HP 3458A reading is 0 0 V DC 10 uV If not adjust R121 the square resistor potentiometer near Q29 at the top left of A41 18 Oscilloscope Calibrator Option Calibration and Verification of Square Wave Voltage Functions 5 Press the GO ON blue softkey 6 Calibration voltages 33 V and greater will automatically put the Calibrator output in standby When this occurs press on the Calibrator to activate the output Allow the HP 3458A DC voltage reading to stabilize Enter the reading via the Calibrator front panel keypad then press ENTER Note The Calibrator 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 7 Repeat steps 6 until the Calibrator 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 3 DC voltages are measured and
86. ted in the table Adjust the main time base position and vertical offset until the pulse signal is centered on the display Record the width measurement Compare to the tolerance column of Table Table 37 Pulse Width Verification 60 Calibrator DSO horizontal Output scale 11801 Width Period _ time div Reading Tolerance 4 0 ns ns 4 ns 1 ns 4 ns 1 ns 40 ns 10 ns Oscilloscope Calibrator Option Verification Pulse Period Verification This procedure uses the following equipment e PM 6680 Frequency Counter with an ovenized timebase Option PM 9690 or PM 9691 e SC1100 cable Refer to Figure 6 for the proper setup connections Set the Calibrator to SCOPE mode with the pulse menu on the display Press on the Calibrator to activate the output Follow these steps to verify the Pulse period 1 Set the PM 6680 s FUNCTION to measure period on channel A with auto trigger measurement time set to 1 second or longer 50 Q impedance and filter off 2 Using the SC1100 cable connect the SCOPE connector on the Calibrator to PM 6680 channel A 3 Program the Calibrator to output the pulse width and period at 2 5 V as listed in Table 38 4 Allow the PM 6680 reading to stabilize then record the PM 6680 reading for each period listed for the Calibrator Compare to the tolerance column of Table 38 Table 38 Pulse Period Verification Calibrator Output PM 6680 Reading Width Period Period To
87. the proper setup connections Set the Calibrator to SCOPE mode with the volt menu on the display Follow these steps to verify the wave generator function Verification at 1 MQ For the 1 MQ verification connect the Calibrator s SCOPE connector to the HP 3458A input using the cable and the BNC f to Double Banana adapter Make sure the Calibrator impedance is set to 1 MQ The blue softkey under Output toggles the impedance between 50 Q and 1 MQ 1 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 2 Program the Calibrator to output the voltage listed in Table 19 Press on the Calibrator to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each voltage in Table 19 4 Compare result to the tolerance column Oscilloscope Calibrator Option Verification Verification at 50 2 For the 50 Q verification connect the SCOPE connector to the HP 3458A input using the cable and the 50 termination connected to the BNC to Banana Plug adapter Make sure the Calibrator impedance is set to 50 Q The blue softkey under Output toggles the impedance between 50 Q and 1 MQ 1 Set the HP 3458A to DCV Auto Range NPLC 10 FIXEDZ on 2 Program the Calibrator to output the voltage listed in Table 20 Press on the Calibrator to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each voltage in Table 20 4 Multi
88. until Columns A and B are completed Press to remove the Calibrator s output Complete Table 33 by performing the calculations for each column Compare Column E to the specifications listed in the final column 45 5520A SC1100 Service Manual Table 33 High Frequency Flatness Verification v Frea MHz A 10 MHz C E 0 005 50MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300MHz 2 00 350MHz 3 50 400 MHz 3 50 450 MHz 3 50 500MHz 3 50 550MHz 4 00 600MHz 4 00 1000 MHz 5 00 0 0075 50MHz 1 50 100 MHz 1 50 150 MHz 2 00 200 MHz 2 00 250 MHz 2 00 300MHz 2 00 350MHz 3 50 400 MHz 3 50 450 MHz 3 50 500MHz 3 50 550MHz 4 00 600MHz 4 00 1000 MHz 5 00 Complete Columns A E as follows A Enter the 437B present frequency Reading W B Enter the 437B 10 MHz Reading W C Apply power sensor correction factor for present Aase W CF Column A entry D Apply power sensor correction factor for 10 MHz W Column B entry E Compute and enter Error relative to 10 MHz 100 Peel C entry sqrt Column D entry sqrt Column D entry 46 Oscilloscope Calib
89. varies no more than 5 C 5520A SC1100 Service Manual Time Marker Specifications Table 4 Time Marker Specifications Time Marker 20 ms to 50 ns to 5 ns into 50 Q 5 s to 50 ms 100 ns 20 ns 10 ns to 1 ns 1 Year Absolute Uncertainty at Cardinal Points tcal 25 t x 1000 5 C ppm 3 2 5 ppm 2 5 ppm 2 5 ppm 2 5 ppm spike square spike or square or sine Wave Shape spike or square or 20 pulse square sine Typical Output Level gt 1Vp p 1 gt 1Vp p 1 1 Vp p 1 gt 1 V p p 1 gt 1Vp p Typical Jitter rms lt 10 ppm lt 1 ppm lt 1 ppm lt 1 ppm lt 1 ppm Sequence 5 2 1 from 5 s to 2 ns e g 500 ms 200 ms 100 ms 2 At least 10 around each sequence value indicated above Frequency Adjustment Range Resolution 4 digits 1 Typical rise time of square wave and 20 pulse 20 duty cycle pulse is lt 1 5 ns 2 Time marker uncertainty is 50 ppm away from the cardinal points 3 As an example a 0 5 second period would have uncertainty of 25 0 5 x 10 x 10 525 ppm Wave Generator Specifications Table 5 Wave Generator Specifications Square Wave Sine Wave and Triangle Wave Wave Generator Characteristics into 50 Q or 1 MQ Amplitude into 1 MQ 1 8 mV to 55 V p p Range into 50 Q 1 8 mV to 2 5 V p p 1 Year Absolute Uncertainty tcal 5 C 10 Hz to 10 kHz
90. z set the DMM to NPLC 01 DELAY 0007 TRIG EXT To find the average of multiple readings it is possible to program one of the keys to MATH OFF MATH STAT and then use the RMATH MEAN function to recall the average or mean value Note For this application if making measurements of a signal gt 1 kHz the HP 3458A has been known to have 05 to 0 1 peaking For these signals lock the HP 3458A to the 1 V range Oscilloscope Calibrator Option Calibration and Verification of Square Wave Voltage Functions HP 3458A Front SC1100 Cable 5520A SC1100 p O NORMAL AUX V O RTD A N SENSE AUX V 50 Q Feedthrough Termination BNC F to Double Banana Adapter HP 3458A Rear zeo54f eps Figure 2 Equipment Setup for SC1100 Voltage Square Wave Measurements Setup for SC1100 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 DCV 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 17 and Figure 3 Table 17 Edge and Wave Generator HP3458A Settings HP 3458A Seitings Input Frequency NP

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5520A SC1100

5520A-SC1100

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