HP 5356A User's Manual
Contents
1. Signal Generator Pulse Modulation Capability 50 to 400 MHz 1 to 20 us Pulse Width 1 to 20 us Pulse Repetition Rate 0 to 5V Output To 225 MHz CW To 1200 MHz CW HP IB Compatibility 500 MHz 1120A Compatibility 2 to 2 GHz WJM1p Pulse Generator HP 8013A Frequency Counter HP 5382A HP 5340A HP 59401A HP 1120A HP 1122A HP P N 0960 0455 Frequency Counter HP IB Bus Analyzer Active Probe Probe Power Supply Mixer Model 5355A installation SECTION I INSTALLATION 2 1 INTRODUCTION 2 2 This section provides instructions for unpacking inspection preparation for use storage and shipment of the 5355A plug in 2 3 UNPACKING AND INSPECTION 2 4 if the shipping carton is damaged inspect the 5355A for visible damage scratches dents etc If the 5355A is damaged notify the carrier and the nearest Hewlett Packard Sales and Service Office immediately offices are listed at the back of this manual Keep the shipping carton and packing material for the carrier s inspection The HP Sales and Service Office will arrange for repair or replacement of your instrument without waiting for the claim against the carrier to be settled 2 5 PREPARATION FOR USE 2 6 Power Requirements 2 7 The 5355A does not require external ac power All necessary power is supplied by the 5345A when the 5355A is plugged in 2 8 Operating Environment 2 9 The ope2. A 157 FRADA RUTUMATIRE REST sie fr nem A e LAD KAE Les tu tecace Normalion see A ENS UNSER EROS NETS HEWLETT PACKARD MANUAL CHANGES MODEL 5355A 05355 90013 SE ren ar ah ni reer re unum NORE AOR AR HS MH Ar rum cum La arum vum PA cum Nh au Ai A SAEED EE SERA TU AAW eh LS VUA SH Perm rolas SAT asma SU A Va rfr A TUE SOIR LAN O ANA SH re hr H dede UV TY SAVOY nl ai u si an Hi dns e AR SS Wish adh ana SERIAL PREFIX OR SERIAL NUMBER CHANGES Page 1 2 Table 1 1 Model 5355A Specifications Ali Serials Maximum Input gt Add two asterisks to 5 dBm for the 5356C Add the following footnote In Pulse Mode 1 5 to 5 0 GHz 0 dBm 5 dBm typical gt Add two asterisks to the 15dBm on all ranges for the 5356C gt Change the two asterisk footnote to read as follows In Pulse Mode OdBm 5dBm typical Page 1 3 Table 1 1 Model 5355A Specifications All Serials gt Delete the asterisk next to 5355A under PULSE MODE column gt Delete the Min Pulse Width in the 5355A column to 150ns gt Delete at bottom of page Specifications apply only to external gating of 5345 5355 2132A gt Change the MAN MODE specification from 60ns to 75ns in the area labeled PULSE MODE Pulse Width MIN gt Change the PULSE MODE Accuracy specification lower right hand corner from 08EXT GATE WIDTH to WES T2 EAT GATE WIDTH Page 1 4 Table 1 1 Model 53554 Specification
3. 3 25 The LISTENING indicator on the front panel when illuminated indicates the 5355A is addressed and monitoring the interface bus 3 26 AM Tolerance 3 27 The 5355A 5345A will measure carrier frequencies containing amplitude modulation to any modulation index provided the minimum voltage of the signal is greater than the sensitivity specification of the 5355A 3 28 FM Tolerance 3 29 The 5355A 5345A will measure carrier frequencies which are modulated in frequency such as a microwave radio carrier The FM tolerance is the worst case FM deviation which can be present without affecting the counters ability to acquire the signal If the deviations about the carrier are symmetrical then the counter averages out the deviations to measure the actual carrier frequency The FM tolerance is determined by the mode of operation See Table 1 1 The auto mode provides FM tolerance of 15 MHz peak to peak A special FM mode is selected by pressing E and GE simultaneously in CW auto mode The special FM mode DEC PT provides a tolerance of 60 MHz peak to peak but results in slower acquisition time 1 1 second compared to 400 milliseconds for CW position NOTE Most measurements should be made without using the special FM mode The special FM mode should be used only when the input signal has significant amounts of FM gt 15 MHz p p 3 30 Automatic Amplitude Discrimination CW Mode 3 31 The automatic amplitude discrimination featu
4. active LOCAL illuminated the UNITS blue label function is active The UNITS key shifts the displayed reso lution annunciator from GHz to MHz kHz Hz mHz and Hz respectively with each successive press of the UNITS key NOTE Cw DEC PT SET EAST If both the Msas keys are pressed PULSE simultaneously SET LAST MEAS the last measurement will be displayed on the 5345A if the 5355A is in the OFFSET FREQ or MAN FREQ DATA ENTRY mode See Table 3 5 When key is pressed and illuminated the 0 4 to 1 6 GHz is connected Otherwise the RF HEAD INPUT is connected If the 5356A B C Frequency Converter Head is not connected tothe 5355A the 0 4 to 1 6 GHz input is automatically selected when power is applied QFFSET E When the o EREO key function is active LOCAL illuminated the CHANGE SIGN key function is active Each time the key is pressed the minus sign changes on or off in the display Figure 3 1 Front Panel Controls Connectors and Indicators Continued Model 5355A Operation and Programming CONNECTORS BNC connector for the low range 0 4 1 6 GHz INPUT SELECT signal input Active when the a key is CHANGE SIGN active illuminated or when the RF Head is not connected to the RF HEAD INPUT Multipin connector for the high range 15 40 GHz signal input Active when the INPUT SELECT key is not illuminated This connector CHANGE SIGN mates with the plug on the ca
5. assemblies to be extended from their plug in connectors for monitoring with appropriate test equipment The HP part number of the kit is 05355 60100 Refer to paragraph 8 183 for detailed information 1 25 RECOMMENDED TEST EQUIPMENT 1 26 Thetest equipment listed in Table 1 3 is recommended for use during performance tests adjustments and troubleshooting Substitute test equipment may be used if it meets the required characteristics listed in the table 1 5 Mode 5355A General Information 1 6 Table 1 3 Recommended Test Equipment msmamen Required Characteristics Recommended Mode Oscilloscope dc to 275 MHz HP 1725A dc to 1 GHz HP 180A 1810A dc to 200 MHz HP 183C 1830A 1840A HP 10020A Oscilloscope Oscilloscope Oscilloscope Probe Kit Signal Generator 1 to 4 3 GHz HP 8620C 8621B 4 to 2 0 GHz HP 8620C 86222B 2 to 18 GHz HP 8620C 86290B 18 to 26 5 GHz HP 8690B 8696A 26 5 to 40 GHz HP 8690A 8697A Digital Multimeter 20V range HP 3465A AC Voltmeter 10 to 375 MHz HP 3406A dc to 18 GHz HP 11667A HP 5004A 10 MHz to 18 GHz HP 436A 10 MHz to 18 GHz HP 8481A 30 dBm to 20 dBm 10 MHz to 500 MHz HP 8565A 500 20 1 Attenuation HP 10020A 100 MHz to 1 GHz HP 8755A 182T 100 MHz to 1 GHz HP 11664A 18 to 26 5 GHz HP K422A 26 5 to 40 GHz HP R422A 18 to 26 5 GHz HP 432A 18 to 26 5 GHz HP K486A 26 5 to 40 GHz HP R486A Power Splitter Signature A
6. plug in unit when used with a 5345A Electronic Counter provides measure ments of CW or burst frequencies from 400 MHz to 1 6 GHz Since the 5345A has a range of Oto 500 MHz the 5345A 5355A combination offers frequency measurement capability from 0 1 6 GHz Frequencies up to 40 GHz may be measured by use of the accessories described in the following paragraph 1 21 For higher frequency measurements the 5356A 5356B or 5356C Frequency Converter Head is used The heads use the single sampler harmonic heterodyne technique to downconvert the input signal frequency The 5356A allows measurements from 1 5 to 18 GHz the 5356B allows measurements from 1 5 to 26 5 GHz and the 5356C allows measurements from 1 5 to 40 GHz The head connects to the signal source and the attached 512 foot cable connects to the multipin connector on the front panel of the 5355A 1 22 Signals in the 0 4 to 1 6 GHz range are sent through a prescaler divider in the 5355A to the IF circuits Signals in the 1 5 to 40 GHz range are sent through the down converter head to the IF circuits The 5355A automatically acquires the input CW or pulsed rf signal and under control of its microprocessors algorithm routes the down converted signal to the 5345A mainframe to be counted and displayed 1 23 SERVICE EQUIPMENT AVAILABLE 1 24 A kit of extender boards is available to allow servicing printed circuit assemblies while extended from the instrument The extender boards allow the
7. 355A automatically sets the 5345A to EXT GATE mode when PULSE mode on the 5355A is selected and to INT GATE mode when CW mode on the 53554 is selected However older 5345A s with Serial Prefix 1744A and below do not have this capability For these 5345A s when in PULSE mode set the 5345A GATE CONTROL switch to EXT and when in CW mode set the switch to INT A minor modification see paragraph 8 13 can be made which updates the older 5345A s for automatic selection of EXT INT GATE c Press Buse Key on the front panel of the 5355A NOTE In the 5355A s PULSE mode a calibration factor is automatically computed during the first 10 measurements a IZ is displayed in the 5345A s most significant digit to indicate that the calibration factor is being computed All subsequent frequency measure ments are multiplied by the calibration factor in order to reduce the effects of error The calibration factor remains unchanged unless the external gate width changes by more than 12 in which case another calibration factor is computed Theaccuracy specification applies to readings after the first 10 see Table 1 1 3 40 Manual Signal Operation MAN e OFFSET a Press Esto key and use the e BF J su to enter a manual center STEP frequency that is within 50 MHz of the input signal frequency b Press fero key again to release the DATA ENTRY mode and press N key GITS STEP PA to enter the MEASUREMENT mode 3 9 Model 5355A Operation
8. 56C 1 4s option 001 1 15 FREQ 800 MHz Specifications describe the instrument s warranted performance Supplemental characteristics are intended to provide information useful in applying the instru ment by giving TYPICAL or NOMINAL but nonwarranted performance parameters Definition of terms is provided at the end of the specification section 1 2 Model 5355A Table 1 1 Model 5355A Specifications Continued fieneraliniormation OPERATING MODE SPECIFICATIONS CW MODE Continued Measurement Time LSD Displayed Resolution Accuracy t FM Tolerance TYPICAL Acquisition Time TYPICAL Calibration Time Measurement Time TYPICAL Pulse Width Min Max Pulse Repetition Frequency Min Max Minimum ON OFF RATIO Maximum Video Feedthrough LSD Displayed Resolution Accu racyt 5356A B C INPUT AUTO MODE 5356A B C MAN MODE 5355A 0 4 1 6 GHz INPUT Gate Time 100 ms Acquisition time 4 X 5345A GATE TIME 5345A Sample Rate 125 ms Acquisition time 5345A GATE TIME 5345A SAMPLE RATE Gate Time gt 100 ms Acquisition time 5345A GATE TIME 35 ms 5345A Sample Rate 35 ms 1 Hz 5345A GATE TIME 2X LSD x 1 X 10710 rms X FREQ 5XLSD Resolution Resolution time base error X FREQ t time base error X FREQ PULSE MODE 5356A B C INPUT MAN MODE 5355A 0 4 1 6 GHz INPUT 5356A B C INPUT AUTO MODE 50 MHz p p chirp 80 MHz p p chirp Instantaneous frequency must not
9. A Hewlett Packard Interface Bus System may contain no more than 1 8 metres 6 ft of connecting cable per instrument 2 The maximum accumulative length of connecting cable for any Hewlett Packard Interface Bus System is 20 0 metres 65 6 ft Figure 2 1 Hewlett Packard Interface Bus Connection Model 5355A Operation and Programming SECTION Ili OPERATION AND PROGRAMMING 3 1 INTRODUCTION 3 2 This section contains descriptions of operating characteristics and modes operating procedures descriptions of front and rear panel controls and indicators keyboard test procedures and Hewlett Packard Interface Bus HP IB programming information 3 3 The 5355A is a plug in for the 5345A Electronic Counter Operating and programming characteristics of the 5345A must be understood before attempting to operate and program the 5355A For complete information on the 5345A refer to the 5345A Operating and Service Manual When appropriate the 5355A programming explanations that follow contain notes on the interrelated 5345A programming instructions 3 4 The 5355A is programmed via the HP IB The HP IB is a carefully defined instrumentation interface which simplifies the integration of instruments calculators and computers into systems The HP IB is Hewlett Packard s implementation of IEEE Standard 488 1975 Standard Digital Interface for Programmable Instrumentation 3 5 OPERATING CHARACTERISTICS 3 6 The following paragraphs
10. Amp store the EXT GATE WIDTH equals the input PULSE WIDTH minus 30 ns TYPICAL for the Weight 5355A 375 kg 8 lb 4 oz net 5356A B C input and equals input PULSE 5356A B C 0 54 kg 1 lb 3 oz net width minus 40 ns TYPICAL for the 5356A B C 27 4 mm 138 mm 56 6 mm 1 08 5 43 2 23 UL ROSH EAP YE An Dimensions Cable length 1 68 metres 66 rs 1 13 SAFETY CONSIDERATIONS 1 14 This product is used as part of a Safety Class instrument provided with a protective earth terminal Safety information pertinent to the operation and servicing of this instrument is included in appropriate sections of this manual 1 15 EQUIPMENT SUPPLIED 1 16 The only equipment supplied with the 5355A plug in unit is the BNC Cable HP Part No 05355 60101 shown in Figure 1 1 1 17 ACCESSORIES 1 18 Accessories available for use with the 5355A are as follows connector and filter options listed in Table 1 2 5356A Frequency Converter Head 1 5 18 GHz 5356B Frequency Converter Head 1 5 26 5 GHz 5356C Frequency Converter Head 1 5 40 GHz Extender Board Service Kit HP Part No 05355 60100 See paragraph 1 19 APC 7 to N f Adapter HP 11524A 1 4 Model 5355A General Information Table 1 2 5356 Frequency Converter Head Options E mem 9e Tum WAVEGUIDE Option 001 WR 42 Option 001 WR 28 FILTER OPTION Option 001 N A N A High Pass Filter 1 19 DESCRIPTION 1 20 The 5355A
11. IFC 10 SRQ 11 ATN 12 SHIELD CHASSIS GROUND 18 P O TWISTED PAIR WITH PIN 6 19 P O TWISTED PAIR WITH PIN 7 20 P O TWISTED PAIR WITH PIN 8 21 P O TWISTED PAIR WITH PIN 9 22 P O TWISTED PAIR WITH PIN 10 23 P O TWISTED PAIR WITH PIN 11 24 ISOLATED DIGITAL GROUND Logic Levels THESE PINS ARE INTERNALLY GROUNDED The 5355A contains metric threaded HP IB cable mounting studs as opposed to English threads Metric threaded HP 10631A B C or D HP 48 cable lockscrews must be used to secure the cable to the Instrument Identification of the two types of mounting studs and lockscrews is made by their color English threaded fasteners are colored silver and metric threaded fasteners are colored black DO NOT mate silver and black fasteners to each other or the threads of either or both will be destroyed Metric threaded HP IB cable hardware illustrations and part numbers follow LONG SHORT MOUNTING MOUNTING LOCKSCREW STUD STUD 1390 0360 9380 0643 9380 0644 The Hewlett Packard Interface Bus logic levels are TTL compatible i e the true 1 state is 0 0V dc to 0 4V dc and the false 0 state is 2 5V dc to 4 0V dc Programming Refer to Section 1H Operation Mating Connector HP 1251 0293 Amphenol 57 30240 Mating Cables Available HP 10833A 1 metre 3 28 ft HP 10833B 2 metres 6 56 ft HP 10833C 4 metres 13 12 ft HP 10833D 0 5 metre 1 64 ft Cabling Restrictions for Standard System 1
12. It 5356B Option 001 18 26 5 GHz dd ne re ane des lol us in Scis din E008 0d a td gd g 5356C 1 5 40 GHz m III III d Ig 5356C Option 001 26 5 40 GHzj Page 4 17 Performance Tests All Serials Paragraph 4 30 TEST 2 MANUAL MODE Change 60 ns PULSE WIDTH to 75 ns PULSE WIDTH tep a waveform figure gt Change 60 to 75 in both occurences gt Change 9 2 dB to 8 2 dB Page 4 20 Performance Tests All Serials Table 4 2 Maximum Input Specifications HP Model 53564 B and C Frequency Converter Heads gt Add two asterisks to 5 dBm for the 5356C gt Add the following footnote In Pulse Mode 1 5 to 5 0 GHz O dBm 5 dBm typical Page 5 4 Adjustments Ali Serials gt Change display from zz Ic to zz lC z in paragraph f Model 5355A General Information EQUIPMENT SUPPLIED 5355A REAR PANEL CABLE AUTOMATIC FREQUENCY CONVERTER 10502A ACCESSORIES FREQUENCY CONVERTER HEADS 5356A 1 5 to 18 GHz 5356B 1 5 to 26 5 GHz 5356C 1 5 to 40 GHz Figure 1 1 HP 5355A Automatic Frequency Converter and Accessories 1 0 Model 5355A General Information SECTION GENERAL INFORMATION 1 1 INTRODUCTION 1 2 This manual provides information pertaining to the installation operation testing adjust ment and maintenance of the HP Model 5355A Automatic Frequency Converter and accessories 1 3 Figure 1 1 shows the HP 5355A and accessories The 5355A is a p
13. NOMINAL 500 NOMINAL 502 NOMINAL pa 502 NOMINAL SWR 0 4 1 6 GHz e lt 2 5 1 TYPICAL 1 5 10 GHz 2 1 TYPICAL lt 2 1 TYPICAL 2 1 TYPICAL 10 18 GHz 3 1 TYPICAL 3 1 TYPICAL 3 1 TYPICAL 18 26 5 GHz 3 1 TYPICAL 3 1 TYPICAL 26 5 34 GHz 3 1 TYPICAL 34 40 GHz 5 1 TYPICAL APC 3 5 male with collar Option 001 26 5 40 GHz waveguide WR28 SMA male with collar Option 001 18 26 5 GHz waveguide WR 42 Specifications in italics apply to both the standard 5356 Head and Option 001 of the same model OPERATING MODE SPECIFICATIONS CW MODE 5356A B C INPUT 5356 A B C 5355A AUTO MODE MAN MODE 0 4 1 6 GHz INPUT FM Tolerance 5356A B 15 MHz p p 80 MHz p p Instantaneous frequency must 160 MHz in special FM mode Rate dc 10 MHz not exceed 0 4 1 6 GHz range 5356C 60 MHz p p Rate dc 10 MHz 0 4 1 6 GHz input AM Tolerance Any modulation index provided the minimum signal level is greater than the counter sensitivity Multiple Signal Discrimination Automatically measures largest signal provided signal is 8 dB TYPICAL greater than any signal within 500 MHz and 20 dB greater than any signal over 1 5 26 5 GHz range 5356C only 15 dB option 001 20 dB greater than any signal over 26 5 40 GHz range Acquisition Time 5356A B 400 ms lt 1 ms FREQ 2 800 MHz TYPICAL 1 1s in special FM mode 5345A GATE TIME 45 ms 53
14. Perform the preliminary procedures in paragraph 3 34 and connect a 5356A B C Frequency Converter Head to the 5355A prior to pro ceeding If a 5356B Option 001 or 5356C is used refer to paragraph 3 17 for differences in frequencies displayed in steps 4 and 7 through 12 3 12 Model 5355A Operation and Programming Table 3 1 Keyboard Check Continued Model 5355A Operation and Programming Table 3 1 Keyboard Check Continued DA 3 14 Model 5355A Operationg and Programming Table 3 2 Pulsed RF Measurements NOTE Connect the GATE OUT connector on the rear panel of the 5355A to the GATE CONTROL INPUT connector on the rear panel of the 5345A using 10502A cable provided NOTE The manual measurement mode decreases acquisition time see Table 1 1 and can be used if the input frequency is known within 50 MHz Model 5355A Operation and Programming Table 3 4 Offset Measurements NOTE The offset measurement mode allows a constant to be added to or subtracted from a measurement as shown below NOTE Steps 3 through 9 show how to expand the number of digits in the display position the decimal point and select displayed resolution for precise offset frequencies If these procedures are understood proceed to step 10 3 16 Model 5355A Operation and Programming Table 3 5 Set Last Measurement Functions pie NOTE For automatic offset mode or manual mode operation perform the prel
15. UNITS while in the offset or manual data entry mode Refer to Table 3 5 for an example of the SET LAST MEAS function Model 5355A Operation and Programming BNC connector that supplies an output from the IF amplifier The down converted signal in the 78 375 MHz range is available for monitoring BNC connector that supplies the envelope of the input pulse Signal can be used to measure the pulse width or PRF of the RF input Can be used to trigger a delay generator for frequency profile measurements BNC connector that supplies a gating signal derived from the IF pulse burst that is used to drive the 5345A GATE CONTROL INPUT Hewlett Packard Interface Bus connector Accepts HP IB system signals for remote control of the plug in functions Refer to HP IB programming paragraph 3 58 for details HP IB Address switches A1 4 5 These switches are used to assign the HP IB address code listen only to the 5355A Refer to paragraph 3 62 Figure 3 2 Rear Panel Control and Connectors 3 11 Model 5355A Operation and Programming Umbilical connectors 5355A to 5345A Provide power connections from the 5345A to the 5355A and interface the control and data lines between the units Figure 3 2 Rear Panel Control and Connectors Continued 3 46 KEYBOARD CHECK 3 47 Check for proper operation of the keyboard and display by performing the procedures listed in Table 3 1 Table 3 1 Keyboard Check NOTE
16. ad will always be in the special FM mode 22424 gt Replace the Display Error Condition table with the following table DISPLAY ERROR CONDITION a e 5345A rear panel GATE CONTROL INPUT switch wee IL in wrong position Should be in INTERNAL CW Automatic only position Harmonic number n due to a low input fre uw quency or due to the CHECK COM A SEP I 4 do Pe hk PIE E O4 switch on 5345A front panel in CHECK position Should be in COM A or SEP or Indicates the CHECK COM A SEP switch on SU THU E ene 5345A front panel in CHECK position Should be ES Pp Pay CoE ey TIAE in COM A or SEP MANUAL CHANGES MODEL 5355A 05355 90013 CD A ARE it END CECI LA A Fa cuum md aui Sie AM MNA RUP Sp Hin ce NV NUM FAR HT WARE SOD ih ll may ATUM CC wur nde CL PE A OWI SLI I A VE lo rur an Aa mr rr mc lio vum nd cm duum vium mu dmm umma CNW Aum AEN A RA LEA WAR CIR AML HIM MR MM AMO ARS HO PHA E SERIAL PREFIX OR SERIES NUMBER CHANGES CEA M WR ie AM HR Se abe TH cms lum camur CRM KEY HER MAR MON in MD MAE FE CHO Mr ANS lr m SANE KO cibi mih SC VE EAR DI O CG Li HAMA PE Aly AI Hle MA H cuni AME ers io amici Aude Hub snm same COM ah mm OD SUME CI ARR CAP Ha VM is ii sd See rid arde icm um ice Page 3 19 Paragraph 3 56 CONVERTER CODES 22424 gt Replace the Display Head Installed table with the following table DISPLAY HEAD INSTALLED CJ E ELE HET 5356A 1 5 18 GHz ks Dur i e Er e n N 5356B 1 5 26 5 GHz CRECEN ae ah www d
17. and Programming 3 10 3 42 Offset Measurements 3 43 To make offset measurements proceed as follows see Table 3 4 a Make a CW measurement or a pulsed RF measurement as listed in the applicable procedures in the above paragraphs NOTE In the following step the offset frequency will be preceded by a minus sign for a negative offset INPUT SELECT To change to a positive offset press the key CHANGE SIGN b Press the Pos key to display the offset frequency N MANUAL s OFFSET c Press the 8 ww or the o un Key to change the value of the offset frequency displayed MAN i d Usethe jo key to expand the display the e key to move the decimal 5 point and Key to change the units annunciators as described in Table 3 1 e Press the wo key to extinguish the key indicator and enter the MEASUREMENT mode The input signal should be displayed f Press a key to illuminate the key indicator and display the resultant frequency sum or difference of input signal frequency and offset frequency Will be the difference if offset displayed was preceded by a minus sign 3 44 Set Last Measurement Function 3 45 The SET LAST MEAS function labeled on the front panel is used in the offset mode or the manual mode to automatically store the last measurement as a negative offset or as a manual e j w X DEC PF center frequency This function is accomplished by pressing i keys simultaneously PULSE
18. be entered into the display prior to the measurement Use ofthe manual mode is described in the following paragraph and an example is shown in Table 3 3 V MAN FREQ sen key results in a display of the low frequency listed below or a 3 17 Pressing the reviously entered manual frequency The es feto key indicator lights and the gold labeled p qe T key functions are in effect Press and hold the Key to cause the display to count up ar OFFSET to the high frequency listed below in 1 GHz 100 MHz steps Press and hold the S key to cause the display to count down to the low frequency in 1 GHz steps These keys are used to set the display to a frequency within 1 GHz of the input signal Press and release the fato key to depart the DATA ENTRY function and press MUE to enter the MEASURE GITS STEP MENT function The following table lists the high and low frequency displayed for each mode of the 5356 Frequency Converter Heads 3 18 OFFSET Mode 3 19 The OFFSET mode is used to add or subtract a constant to from a measurement For example a radio frequency can be measured by measuring the local oscillator frequency and then adding the IF as a positive offset Use of the OFFSET mode is described in the following paragraph and an example is shown in Table 3 4 3 20 The OFFSET mode of operation is initiated by pressing the D amp o key which results LOCAL OFFSET in a display of 1 GHz
19. ber Mark the container FRAGILE to assure careful handling Model 5355A Installation 2 27 n any correspondence refer to the instrument by model number and full serial number 2 28 Other Packaging Methods 2 29 f it becomes necessary to reship an instrument good commercial packing should be used Contract packaging companies in many cities can provide dependable custom packaging on short notice The following general instructions should be followed when repackaging with commercially available materials a If shipping to a Hewlett Packard Office or Center attach a tag indicating the type of service required return address model number and full serial number b Wrap the instrument in heavy paper or plastic c Useastrong shipping container A double wall carton made of 350 pound test material is adequate d Use enough shock absorbing material 3 to 4 inch layer around all sides of the instru ment to provide a firm cushion and prevent movement inside the container Protect the control panel with cardboard e Seal the shipping container securely f Mark the shipping container FRAGILE to assure careful handling 2 30 STORAGE 2 31 If the instrument is to be stored for an extended period of time it should be enclosed in a clean sealed container Model 5355A Installation 1 DIO1 2 DIO2 3 DIO3 4 DIO4 13 DIOS 14 DIO6 15 DIO7 16 DIO8 5 EOI 17 REN 6 DAV 7 NRFD 8 NDAC 9
20. ble of the 5356A B C RF Head Figure 3 1 Front Panel Controls Connectors and Indicators Continued 3 9 Operating Modes 3 10 Operating modes are selected by the front panel pushbutton keys The following modes may be selected a CW b Pulsed RF Manual d Offset 3 11 CW Mode 3 12 The automatic mode of operation for CW signals is initiated by applying power to the instrument Input CW signals are acquired measured and displayed automatically The illuminated indicator in the CW key shows the operator that this mode of operation is in effect If other key indicators are illuminated the 5355A is operating in the mode indicated 3 13 Pulsed RF Mode PULSE 3 14 The Pulsed RF mode for reception of pulsed RF signals is initiated by pressing pu on the front panel To operate in this mode the GATE OUT connector on the rear panel of the 5355A must be connected to the GATE CONTROL INPUT connector on the rear panel of the 5345A Input pulsed RF signals are acquired measured and displayed automatically The illuminated indicator in the PULSE key shows the operator that this mode of operation is in effect Measurement of a pulsed RF signal is described in Table 3 2 3 5 Model 5355A Operation and Programming 3 6 3 15 Manual Mode 3 16 The manual mode of operation is initiated by pressing the a an key To operate in this mode the input signal frequency must be known within 50 MHz and this manual frequency must
21. capability with local lockout PPG No parallel poll capability DC1 Device clear capability presets to power up control states DT1 Device trigger capability C6 No controller capability E1 1 Unit Bus Load NOTE Interface functions provide the means for a device to receive process and send messages over the bus 3 61 Bus messages are of 12 types Table 3 7 lists each bus message a brief description of the message and the response of the 5355A 5345A to the message The last column shows typical examples of how to send receive each message using the 9825A computing controller For complete details on sending bus messages using the 9825A refer to the 9825A Extended 1 0 Programming Manual Part Number 09825 90025 3 19 Model 5355A Operation and Programming Table 3 7 5355A Bus Message Usage 3 20 Model 5355A Operation and Programming 3 62 Address Selection 3 63 The 5355A must be assigned a bus address Table 3 8 gives the allowable address switch settings The setting of switches A1 through As defines the addresses The listen address Table 3 8 is used to program the functions of the 5355A 3 64 Before learning the programming details of the 5355A some knowledge of 5345A programming is required as described below 3 65 Programming the 5355A 5345A 3 66 The 5355A is programmed for remote control of all its operating modes by the codes shown in Table 3 9 The 5355A operates remotely only in the list
22. describe the operating ranges and modes AM and FM tolerance and automatic amplitude discrimination 3 7 Operating Ranges 3 8 The two operating ranges are 0 4 to 1 6 GHz and 1 5 to 40 GHz Frequencies in the lower range are measured by use of a prescaler technique while frequencies in the higher range are measured by use of a harmonic heterodyne down conversion technique A separate front panel input connector is provided for each range see Figure 3 7 Selection of the two ranges is INPUT INPUT SELECT SELECT provided by the key on the front panel When the o key indicator is lit CHANGE 4 CHANGE SIGN SIGN INPUT SELECT the 0 4 1 6 GHz input BNC is routed to the prescaler When the key indicator is not CHANGE SGN lit the RF HEAD INPUT multipin connector is sent to the IF circuits The multipin connector input requires the use of the 5356A B C Frequency Converter Head The 5356A covers the range of 1 5 to 18 GHz the 5356B covers 1 5 to 26 5 GHz and the 5356C covers 1 5 to 40 GHz See INPUT SELECT Table 1 2 When the LED is illuminated the 0 4 to 1 6 GHz input BNC is connected CHANGE SIGN otherwise the RF HEAD INPUT is connected 3 1 Model 5355A Operation and Programming 5355A AUTOMATIC FREQUENCY CONVERTER _ FEA LET TSP BOCK AR YD LISTENING SIGNAL SELECT INDICATORS REMOTE Indicator illuminates when 5355A is under remote operation and ail front panel controis are inoperative exc
23. displays mea UR se surement The DIGIT STEPS blue label func tion is in effect when OFFSET FREQ key blue is illuminated Each time the DIGIT STEPS key is pressed the display is expanded by two digits until 10 decimal places are displayed depending upon resolution og OFFSET When pressed and illuminated this key enters the hd Loca offset frequency controlled by the UP or DN key on the counters display and activates all key functions labeled in blue The OFFSET FREQ key function is in LOCAL control unless the REMOTE OFFSET indicator is illuminated When key is N OFFSET pressed again and extinguished and a car pressed counter displays the measurement Successive presses will result in alternate dispiay of measured and offset frequencies The offset fre quency is positive unless the minus sign is INPUT SELECT displayed controlled by the key CHANGE MEASUREMENT KEYS zx N ANUAL When key is pressed and illuminated a manual uu frequency measurement is displayed provided a manual center frequency within 50 MHz of the puso an input signal has been entered via the EAD function DATA ENTRY udi d When either DATA ENTRY key is in effect illumi nated the UP function will cause the display to count up while the UP key is held in If both the MANUAL and OFFSET keys are pressed simul taneously the display will reset QFFSEL When key is pressed and illuminated a resultant e ONION frequenc
24. en function and does not output to the HP IB 3 67 Measurement data from the 5355A is sent to the 5345A for processing and display This information is sent to the HP IB via the talk output of the 5345A which must be programmed by the codes shown in the 5345A Operating and Service Manual except as described in paragraph 3 68 below NOTE 5345A program codes E9 and J1 are invalid when the 5355A is plugged in as detailed in the following paragraph 3 68 INVALID 5345A PROGRAM CODES The 5345A program codes E9 Sample Rate Hold and J1 Sample Trigger Command are invalid when the 5355A is plugged into the 5345A These functions are performed by programming the 5355A plug in using the Hold code i e HDG selects the 5345A Sample Rate and HD1 is used in place of the normal 5345A code E9 for Sample Rate Hold Refer to Table 3 9 NOTE When the 5345A is operating in remote control the rear panel GATE CONTROL INPUT switch function must be programmed according to the operating mode of the 5355A The 5345A must be programmed for External Gate E when the 5355A is in the pulse mode of operation The 5345A must be programmed for Internal Gate E3 when the 5355A is in the CW mode of operation 3 69 Status Display 3 70 The status of the 5355A operation is shown on the display of the 5345A when program code R Read Status is sent to the 5355A The display contains a digit in each position that indicates the mode of operation first 8 di
25. ept the LOCAL key unless Local Lockout command has been sent LISTENING Indicator illuminates when 5355A is addressed and monitoring the interface bus SIGNAL Indicator illuminates when input signal is of sufficient level to be counted KEY INDICATORS Indicator within a key illuminates when the key is pressed to initiate the key function Pressing the key again releases the function and the indicator extinguishes except for the CW and PULSE keys CONTROLS All front panel controls are pushbutton keys with center indicators that indicate the oper ating function of the plug in The keys are grouped under two general functional headings DATA ENTRY and MEASUREMENT as described below DATA ENTRY Keys The two color coded DATA ENTRY keys on the left side of the front panel are used to enter datafor a manual center frequency or an offset frequency When one of these keys is enabled key indicator illuminated the functions of the MEASUREMENTS keys to the right are defined by the label whose color corresponds to that of the enabled DATA ENTRY key l Figure 3 1 Front Panel Controls Connectors and Indicators Model 5355A Operation and Programming When key is pressed and illuminated enters the piens manual center frequency shown on the counters 1 f MANUAL PR OFFSET display controlled by a or ME WOMAN When P pressed again and extinguished OUGITS STEP MANUAL and ih pressed counter
26. exceed 0 4 1 6 GHz range 5356A B C MAN MODE 0 5356A B AUTO MODE 100 as EXT GATE WIDTH X PRF 650 ms for EXT GATE x 100 ys 2 PRF 650 ms for EXT GATE gt 100 us 0 FREQ 800 MHz 5345A GATE TIME EXT GATE WIDTH X PRF 5356C AUTO MODE 100 us EXT GATE WIDTH X PRF 1 55s Option 001 1 255 8 Option 001 7 PRF for EXT GATE x 100 us 10 Option 0601 9 PRF 1 55s Option 001 1 255 for EXT GATE gt 100 us 45 ms FREQ lt 800 MHz 5345A GATE TIME mM M M vot EXT GATE WIDTH X PRE Performed during 10 consecutive measurements when PULSE Mode is selected after any front panel change or when the EXTERNAL GATE width changes by more than 12 Only calibrates if External Gate is lt 100 ys Acquisition Time Calibration Time 5345A SAMPLE RATE 60 ms 1 as 5345A GATE TIME EXT GATE WIDTH X PRF Acquisition Time Calibration Time 5345A SAMPLE RATE t 5345A GATE TIME or 100 us whichever is greater EXT GATE WIDTH X PRF 100ms NOTE Minimum off time is 400 ns i e 2 MHz PRF with 100 ns pulses 2 MFiz 2 MHz 2 MHz a A erben 2X LSD rms jitter X16 X LSD 5 X rms jitter t 08 EXT GATE WIDTH 24 KHz Time base error X FREQ After one minute warm up Resolution 04 EXT GATE WIDTH 3 KHz Time base error X FREQ Specifications apply only to external gating of 5345 5355 See jitter specification on follow
27. gits the head code 9th digit and the error code or diagnostic mode 10th and 11th digits as illustrated in Table 3 10 The head code indicates which Frequency Converter Head is installed The error codes are described in paragraph 3 54 Diagnostic modes are described in Table 3 11 3 21 Model 5355A Operation and Programming Table 3 8 Address Selection 3 22 Model 5355A Operation and Programming gee ne won NOTE 1 Underlined letters are code letters Asterisk indicates conditions of 5355A at power up NOTE 3 Any HP IB program code sequence will also trigger the 5355A however a non T trigger will restart a measurement sequence to cause restarts of the 10 measurement calibration The T trigger will calibrate the first 10 measure ments then stop calibration normal measurement sequence Some non T trigger are N CP2 DEVICE CLEAR etc NOTE 4 When the 5355A is in Remote and programmed to HOLD HD1 the Group Execute Trigger acts the same as a T trigger otherwise it acts the same as Device Clear 3 23 Model 5355A Operation and Programming Table 3 10 5345A Display of 5355A Status NOTE The READ Status R code results in the following display of 5355A status on the 5345A display This status is also available at the 5345A talk output MODE DISPLAY CW Continuous Wave 1 PS PUDO A cm 2 PRS PrescalBr naeh end ed NEE HD Head TTL The decimal point and GHz an
28. he bus c The total number of instruments connected to the bus must not exceed 15 2 17 5355A Listen Address 2 18 The 5355A contains a rear panel HP IB instrument address selection switch There are five switches designated As A4 A3 A2 A1 which are used to select the address Instructions for setting and changing the listen address are provided in Section Il of this manual along with programming codes 2 19 HP 1B Descriptions 2 20 A description of the HP IB is provided in Section lll of this manual A study of this infor mation is necessary if the user is not familiar with the HP IB concept Additional information concerning the design criteria and operation of the bus is available in IEEE Standard 488 1975 titled IEEE Standard Digital Interface for Programmable Instrumentation 2 21 Operational Check 2 22 To determine if the instrument is operating properly refer to the performance check in Section IV Contact the nearest HP Sales and Service Office see manual back cover for infor mation relative to warranty claims 2 23 PACKAGING FOR RESHIPMENT 9 24 Original Packaging 2 25 The same containers and materials used in factory packing can be obtained through the Hewlett Packard Sales and Service Offices listed at the rear of this manual 2 26 If the instrument is being returned to Hewlett Packard for service attach a tag indicating the type of service required return address model number and full serial num
29. iminary procedures in paragraph 3 34 and connect the signal to be measured to the 5355A Perform steps 1 through 3 for manual mode Perform steps 4 through 6 for offset mode of operation 3 17 Model 5355A Operation and Programming 3 18 3 48 RESET FUNCTION MANUAL UPAIP 3 49 The RESET function as shown u be pressed simultaneously This action resets the display during either DATA ENTRY mode of operation The display resets to 1 5 GHz or low frequency listed in paragraph 3 17 when in the manual mode and resets to 1 GHz when in the offset mode The RESET function allows for error correction in the DATA ENTRY mode 3 50 SPECIAL MODES 3 51 The two special modes are 1 the FM tolerance mode which increases FM tolerance from 15 MHz p p to 60 MHz p p in the automatic mode of operation and 2 the continuous calibration mode during pulse operation which causes the measurements to be continuously calibrated instead of just the first 10 measurements as in normal calibration Procedures for entering the special modes are described below requires that the MANUAL and OFFSET keys 3 52 FM TOLERANCE To enter the special FM tolerance mode during the CW mode of DEC PT operation simultaneously press H keys The key will continue flashing PULSE gt UNITS during this mode u 3 53 CONTINUOUS CALIBRATION To calibrate continuously during the pulse mode of EW DEQ PT operation simultaneously press yi
30. ing page 1 3 Model 5355A General Information Table 1 1 Model 5355A Specifications Continued 5356A OPTION 001 HIGH PASS FILTER DEFINITIONS SPECIFICATIONS insertion Loss lt 1 dB from 1 5 18 GHz LSD Displayed Unit value of least significant digit insertion Loss below 100 MHz gt 35 dB Resolution Maximum deviation or rms deviation between successive measurements under constant environmental and constant input conditions GENERAL Accuracy Deviation from the true value as fixed by universally accepted standards for frequency and time IF OUT Down converted signal in range of 80 375 MHz available at 5355 rear panel Minimum For a pulsed rf input the required minimum IF OUT connector 8 dBm NOMINAL level ON OFF Ratio difference in dB between the pulse ON signal level and pulse OFF signal level which will GATE OUT to 1 volt detected IF signal used to drive 5345A EXTERNAL GATE CONTROL INPUT Width of GATE OUT is approximately 30 ns Maximum Video For a pulse rf input the maximum peak to iess than rf burst width Feedthrough peak voltage caused by the superposition of video components above 75 MHz which the 5355 56 can tolerate in the burst enable the 5355 to distinguish a pulse input PULSE OUT Detected IF signal TTL levels TTL low indicates signal present 1 to V TYPICAL TOM 1 into 500 ims nter X Operating X 100 Hz rms n ars For EXT GATE signals generated by the 5355A
31. lug in unit for the HP 5345A Electronic Counter The 5356A 5356B or 5356C Frequency Converter Head extends the frequency range of the 5355A 1 4 SPECIFICATIONS 1 5 Instrument specifications are listed in Table 1 1 These specifications are the performance standards or limits against which the instrument may be tested Specifications are based on operation with the HP 5345A Electronic Counter 1 6 INSTRUMENTS COVERED BY MANUAL 1 7 This instrument has a two part serial number The first four digits and the letter comprise the serial number prefix The last five digits form the sequential suffix that is unique to each instrument The contents of this manual apply directly to instruments having the same serial number prefix es as listed under SERIAL PREFIX on the title page 1 8 Aninstrument manufactured after the printing of this manual may have a serial prefix that is not listed on the title page This unlisted serial prefix indicates that the instrument is different from those documented in this manual The manual for this instrument is supplied with a yellow Manual Changes supplement that contains change information that documents the differences 1 9 OPERATING MANUAL 1 10 Packaged with this manual is an Operating Information Supplement This is simply a copy of the first three sections of this manual This supplement should be kept with the instrument for use by the operator Additional copies of the Operating Information Supplement
32. nalyzer Power Meter Power Sensor Spectrum Analyzer Resistive Divider Probe Set Sweep Analyzer Detector Crystal Detector Power Meter Thermistor Mount Directional Coupler 18 to 26 5 GHz HP K752A 26 5 to 40 GHz HP R752A R752C Step Attenuator 10 dB step dc to 26 5 GHz APC 3 5 HP 8495D With Option 004 Attenuator 3 dB 100 MHz to 1 GHz HP 8491A Variable Attenuator 18 to 26 5 GHz HP K382A 26 5 to 40 GHz HP R382A Waveguide WR 42 to SMA OSM P N 2000 6256 00 Model 20188A Waveguide to OSM 26 5 to 40 GHz Maury Microwave U223A Adapter Adapter Adapter Waveguide WR 42 to APC 3 5 Narda 4608B Waveguide Straight Section 26 5 to 40 GHz Maury Microwave U101A4 Waveguide Bend 26 5 to 40 GHz Maury Microwave U135A Logic Probe TTL Compatibility HP 545A Logic Pulser TTL Compatibility HP 546A Current Tracer 1 mA to 1 range HP 547A AP Clips Clip for 14 16 pin 1C s HP P N 705 0048 Model 5355A General Information Table 1 3 Recommended Test Equipment Continued HP 11720A HP 8012A 05355 60100 HP 6284A HP 116658 HP 8640B instrument Required Characteristics 2 to 18 GHz Pulse Modulator Pulse Generator General purpose 5355A Compatibility 1 to 15V Extender Board Kit Power Supply Modulator Sweep Analyzer Compatibility
33. nd the 5345A is set to address 18 The 9825A controller is used with the following equipment installed a 98210A String Advanced Programming ROM b 98213A or 98214A or 98216A General Extended 1 0 ROM 98034A Interface Card 3 73 This printout shows a program for reading 5355A status R to be displayed on the 5345A and sent to the 9825A for display and listing The status is listed at the end of the program Thena pulse measurement is made and printed out below the status printout
34. nunciator shown above MAN Manual AD apad Ka are standard on each status display The first eight digits OFF SODISeU Frese 1 show operating modes the ninth digit shows the type of SIG ignal socis rs REN ian d Frequency Converter Head installed the tenth and eleventh SPEC FUNC Special Function 1 digits show the error code or diagnostic mode see CAL Calibrate ns ans 1 Table 3 11 The display contains a minus sign before the LLO l Local Lockout zt first digit to indicate a non T trigger see Table 3 9 5356 Head Code 0 7 NO ERR NO ETOF roro oid alza i 00 3 24 Model 5355A Operation and Programming Table 3 11 Diagnostic Modes and Special Functions NOTE IN LOCAL operation the diagnostic modes listed below are obtained in numerical sequence by pressing the gold MAN FREQ and blue OFFSET FREQ keys simultaneously Observe the display for the mode number listed below to determine the diagnostic mode of the 5355A each time the keys are pressed If diagnostic mode 1 10 is started in one column the sequence will stay in that column Press reset on 5345A and set desired operational mode on 5355A to restart sequence In REMOTE operation the diagnostic modes are programmed by use of the codes shown in Table 3 9 3 25 Model 5355A Operation and Programming 3 26 3 71 SAMPLE PROGRAM 3 72 A sample program for the 5355A is shown below The 5355A is set to address 98 a
35. or a previously entered offset frequency The reo key indicator lights and the blue labeled key functions are in effect Ges 2 keys cause the display to count up or down between 1 and 9 GHz to select the offset frequency The display can be expanded and the resolution of the offset frequency increased by using the E ta SE ole Eo key and B x key functions In addition uum STEP Cw lso Key can be used for limited Model 5355A Operation and Programming e MAN P e key adds two digits to the display each time it is Dias STEP shifting of the decimal point The pressed for a total of 10 decimal places 2 key changes the display annunciators from GHz to MHz kHz Hz mHz and uHz i 3 21 When the offset frequency has been selected as described in the preceding paragraph OFFSET key DWAIN press and release the C fo keyto depart the DATA ENTRY mode and press to enter the OFFSET mode 3 22 Remote Programming Mode 3 23 The 5355A is remotely controlled via internal interface circuits and a rear panel connector to the Hewlett Packard Interface Bus HP IB The 5355A operates in the Listen Only mode Remote programming is described in detail in paragraph 3 58 3 24 The REMOTE indicator on the front panel when illuminated indicates the 5355A is under remote operation and all front panel controls are inoperative except JE pushbutton tunless the Local Lockout command has been sent oa
36. or the Operating and Service Manual can be ordered through your nearest Hewlett Packard Sales and Service Office a list of these offices is provided at the end of this manual The part numbers are listed on the title page of this manual 1 11 MICROFICHE 1 12 Also listed on the title page of this manual following the Operating and Service Manual and Operating Information Supplement part numbers are Microfiche part numbers for these publications These numbers can be used to order 4 X 6 inch microfilm transparencies of these publications The Microfiche package includes the latest Manual Changes supplement and all pertinent Service Notes i 1 1 Model 5355A General Information Table 1 1 Model 5355A Specifications INPUT SPECIFICATIONS PULSE AND CW MODE 1 5 18 GHz 1 5 26 5 GHz 1 5 40 GHz 04 1 6 GHz Option 001 18 26 5 GHz Option 001 26 5 40 GHz i i Frequency Range Sensitivity 0 4 1 6 GHz 1 5 12 4 GHz 12 4 18 GHz 18 26 5 GHz 26 5 34 GHz 34 40 GHz Maximum Input 0 4 1 6 GHz 1 5 12 4 GHz 5 dBm 5 dBm 12 4 18 GHz 5 dBm 15 dBm 18 26 5 GHz 5 dBm 15 dBm 26 5 40 GHz 15 dBm Dynamic Range 0 4 1 6 GHz 1 5 12 4 GHz 12 4 18 GHz 18 26 5 GHz 26 5 34 GHz 34 40 GHz Damage Level Impedance 25 dB er 25 dBm peak xm 25 dBm peak 25 dBm peak 24 dBm peak fuse in BNC connector 500
37. orm the preliminary procedures in paragraph 3 35 and proceed CAUTION Do not connect signals with power levels greater than 24 dBm to the BNC input connector a Forsource signals in the 4 to 1 6 GHz range connect the signal from the source to the BNC connector on the front panel of the 5355A CAUTION Do not connect signals with power levels greater than 300 milliwatts 25 dBm peak to the 5356A B C Frequency Converter Head Higher power levels may damage internal circuits b For signals in the 1 5 40 GHz range refer to Table 1 2 for the 5356 model to use Connect the Frequency Converter Head to the source and connect the attached cable to the 5355A RE HERD wT c Set the 5345A POWER switch to ON Model 5355A Operation and Programming d ifthe signal is of sufficient amplitude to light the 5355A SIGNAL indicator the signal will be automatically measured and displayed on the 5345A e a 2 indicator light should be on 3 38 Pulsed RF Signal Operation 3 39 Use the same procedures as in CW Signal Operation paragraph 3 37 except as follows see Table 3 2 NOTE In the following step use of a cable of different length may cause measurement errors a Connect the GATE OUT connector on the rear panel of the 5355A to the GATE CON TROL INPUT connector on the rear panel of the 5345A using the 10502A cable provided b Place the 5345A GATE CONTROL switch to INT in this switch position a control signal from the 5
38. ovided in Figure 2 1 This connector is compatible with the HP 10833A B C D HP IB cables The HP IB system allows interconnection of up to 15 including the controller HP IB compatible instruments The HP 1B cables have identical piggy back connectors on both ends so that several cables can be connected to a single source without special adapters or switch boxes System components and devices may be connected in virtually any configuration desired There must of course be a path from the calculator or other controller to every device operating on the bus As a practical matter avoid stacking more than three or four cables on any one connector If the stack gets too large the force on the stack produces great leverage which can damage the connector mounting Be sure each connector is firmly finger tight screwed in place to keep it from working loose during use 2 16 CABLE LENGTH RESTRICTIONS To achieve design performance with the HP 1B proper voltage levels and timing relationship must be maintained If the system cable is too long the lines cannot be driven properly and the system will fail to perform properly Therefore when interconnecting an HP IB system it is important to observe the following rules a The total cable length for the system must be less than or equal to 20 metres 65 feet b The total cable length for the system must be equal to or less than 2 metres 6 6feet times the total number of devices connected to t
39. rating temperature range is 0 C to 55 C If these limits are exceeded at the installation site auxiliary cooling or heating should be used to keep environment within limits 2 10 Installation 2 11 To install the 5355A proceed as follows a On the 5345A set POWER switch to STANDBY b Pull the locking handle on the left side of the 5355A up to the horizontal position c Slide the 5355A into the 5345A Use caution to prevent damage to interface con nectors at rear of unit d Push locking handle down and toward the instrument until it is parallel with the front panel e For operating information address switch settings and connections to rear panel BNC connectors refer to Section lll 2 12 Compatibility with 5345A 2 13 The 5345A must be in EXT GATE mode when the 5355A is in PULSE mode and must be in INT GATE mode when the 5355A is in CW mode If the GATE CONTROL switch on the rear panel of the 5345A is left in INT position then the proper gating mode is selected automatically in 5345A s that have Serial Prefix 1808A or higher Older 5345A s with serial prefix 1744A and below require manual selection of EXT GATE mode for PULSE and INT GATE mode for CW However a minor modification can be added see paragraph 8 13 which updates these units 2 1 Model 5355A installation 2 2 2 14 HP IB interconnections 2 15 HEWLETT PACKARD INTERFACE BUS Interconnection data concerning the rear panel HP IB connector is pr
40. re allows the 5355A to acquire and display the highest level signal within its sensitivity range The highest level signal must be 8 dB greater in amplitude than any other signal present within 500 MHz and 20 dB greater than any signal over the full range This feature is useful for discriminating against spurious signals and harmonics 3 7 Model 5355A Operation and Programming 3 8 3 32 OPERATING PROCEDURES 3 33 Operating procedures for the 5355A are given in the following paragraphs Refer to Figures 3 1 and 3 2 for descriptions of front and rear panel controls connectors and indicators and to Tables 3 2 through 3 5 for specific examples Power up codes are described in para graph 3 54 Frequency Converter Head codes in paragraph 3 56 and frequency range coverage in Table 8 21 Refer to the 5345A manual for operating procedures for the 5345A 3 34 Preliminary Procedures 3 35 To operate the 5355A and 5345A combined perform the following preliminary procedures Set the 5345A POWER switch to STANDBY b Set the 5345A FUNCTION switch to PLUG IN c Install the 5355A into the 5345A as described in Section H and attach GATE cable as described in paragraph 3 14 d Set the 5345A SAMPLE RATE fully ccw e Set 5345A DISPLAY POSITION switch to AUTO GATE TIME switch to 100 us and channel select switch to COM A or SEP f Set 5345A rear panel GATE CONTROL INPUT switch to INTERNAL 3 36 CW Signal Operation 3 37 Perf
41. s All Serials gt Change maximum Operating Temperature to 55 degrees 2132A gt Change 40Ons to 65ns under DEFINITIONS rms jitter Page 1 5 General Information All Serials gt Add the following paragraph after Table 1 2 OPTION W30 Extended Hardware Support provides two addi tional years of return to HP hardware service support Option W30 is available only at time of purchase Servioe contracts are available from Hewlett Packard for instruments which did not include Option W30 at time of purchase For more information contact your nearest Hewlett Packard Sales and Support office offices are listed at the back of this manual MANUAL CHANGES MODEL 5355A 05355 90013 SERIAL PREFIX OR SERIES NUMBER CHANGES Page 3 7 Operation and Programming All Serials Paragraph 3 29 gt Add the following sentence between simultaneously in CW auto mode and The special FM mode A signal must be present before the 5355A signal light flashes gt Add to the end of paragraph 3 29 It should be noted that the 53554 when used in conjunc tion with the 5356C Frequeney Converter Head will always be in the special FM mode Use of the special FM mode with the 5356C head is necessary to ensure proper harmonic number determination at frequencies above 26 5 Ghz Page 3 18 Operation and Programming All Serials gt Add note following paragraph 3 54 NOTE The 53554 when used in conjunction with the 5356 Frequency Converter He
42. s keys A flashing IZ will be displayed in the most ib PULSE UNITS significant digit position during calibration 3 54 POWER UP CODES 3 55 When power is applied to the 5355A certain error codes are displayed on the 5345A to indicate error conditions Diagnostic indications used for troubleshooting are listed in para graph 8 197 Operating error indications are listed below Model 5355A Operation and Programming 3 56 CONVERTER CODES 3 57 When power is applied to the 5355A certain codes are displayed to indicate which Frequency Converter Head is installed as follows 3 58 PROGRAMMING 3 59 Bus Characteristics 3 60 The capability of a device connected to the HP IB is specified by the interface functions that it has Table 3 6 lists the interface functions included in the 5355A The Interface Function Subset Identifier refers to the particular capability of the interface function as listed in Appendix C of IEEE Standard 488 1975 Table 3 6 HP IB Interface Capability INTERFACE FUNCTION SUBSET IDENTIFIER INTERFACE FUNCTION DESCRIPTION SHO No source handshake capability AH1 Complete acceptor handshake capability TO TED No talker no basic talker no serial poll no talk only mode does not unaddress to talk if addressed to listen 12 LEG Listener basic listener no listen only mode does not unaddress to listen if addressed to talk SRO No service request capability RL1 No complete remote local
43. y sum or difference of input signal and offset frequency is displayed provided an offset OFFSET frequency has been entered viathe nto key a LOCAL When either DATA ENTRY key is in effect illumi nated the DN function will cause the display to count down while the DN key is held in NOTE MANGAL Lau If both se keys are pressed U OFFSET DNDN simultaneously the display will reset Figure 3 1 Front Panel Controls Connectors and Indicators Continued 3 3 Model 5355A Operation and Programming When key is pressed and illuminated a CW signal input frequency is automatically acquired mea sured and displayed The CW measurement mode is initiated whenever power is applied to the plug in OFFSET When the Ja key function is active illuminated the DEC PT blue label function is active With at least 3 digits displayed the DEC PT key shifts the decimal point on the display to the right one place for each of the first two presses of the DC PT key then two places to the left on the third press This sequence repeats for successive presses of the key When key is pressed and illuminated a pulsed RF signal input frequency is automatically acquired measured and displayed NOTE To operate in PULSE mode the GATE OUT connector on the rear panel of the 5355A must be connected to the GATE CONTROL INPUT connector on the rear panel of the 5345A OFFSET N When the Je key function is
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