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Errata Title & Document Type: 8516A S

1. HP11713A s 50 B 24 B D DRE PA a Tr ome ET uP D g T me ri ri 1 2 1 2 1 2 o 6 2 O 9 E O PNOT 4 j ARMATURE et ARMATURE ARMATURE COAXIAL COAXIAL COAXIAL TH i SWITCH SWITCH Des SWITCH 500 500 500 500 501 2 1 2 HP33311C HP33311C HP33311C PORTL__ PORTL__ PORT to 26 5GHz PORTL PORT to 286 5GHz TPORTL PORT to 26 5GHz 93517 80002 08517 80002 f 08517 80002 to 5OGHz to 50GHz to 506 2 RF IN FROM SOURCE TEST SET 1 TEST SET 2 TEST SET 3 TEST SET 4 TO HP85108 NETWORK ANALYZER TEST SET INTERCONNECT 4 E S RE IN J10 RN vt0 RF IN J10 J11 RF IN J10 i EXTERNAL EXTERNAL EXTERNAL o 0 9 uM Oa NE oso List 1st INTERNAL LIE ITERNAL LE INTERNAL LIF HP851X OPT 001 HP851X OPT 001 HPB51X OPT 001 HPB51X TEST SET 1 TEST SET 42 TEST SET 5 TEST SET 4 TEST SET REAR PANEL TEST SET REAR PANEL TEST SET REAR PANEL TEST SET REAR PANEL ADDRESS SWITCH SET ADDRESS SWITCH
2. A HPB 9 9990999900999990900027 t w ooo ATTN DRIVER A15 REGULATOR 1 22 9900609092000999900909006 ecc00000900009099900900 23 A2 MUX e 0 scecsceccecceeccecc 23 1 pm 8 9 00000690009900909999999 SUMMING AMP 1 8516 Motherboard Figure 7 1 8516A S Parameter Test Set 7 2 Service 8516 S Parameter Test Set Service 7 3 Figure 7 2 8516A Motherboard 7 4 Service HP 8516A S Parameter Test Set 9099999900999000909029 A HPB 9 9990999900999990900027 t w eoooo AS ATTN DRIVER e e A15 REGULATOR 1 22 990060090920099990099006 ec900090090000099900900 23 A2 MUX e 0scccsceccecceeccoco 23 1 p 0 900006902099009009999999 SUMMING 1 Service 7 5 8516 S Parameter Test Set Miscellaneous Performance Tests Performance test information and procedures are located in the Performance Tests section of the HP 8510B System Manual Note that the HP 8510B performance test software supplied with the test set is required to test the HP 8516A Performance test results are based on the HP 8510 system including the test set cables calibration kit
3. Operation HP 11713 ATTENUATOR SWITCH DRIVER T 0000 a re m ss J1 25 25 na nad gt HP8510 SYSTEM BUS ms o T EYES ooo 4 Ln A 59 59 24 xen 1 D P HP33311C to 26 5GHz meet tT 08517 80002 to 506Hz COAXIAL SWITCH 1 RF SOURCE PORT PORT PORT 1 2 6 HP8510 SYSTEM BUS TEST SET INTERCONNECT RF IN J10 J11 RF IN J10 EXTERNAL lt 18 1st INTERNAL LIE E HP851X OPT 001 HP851X TEST SET 1 TEST SET 2 TEST SET REAR PANEL TEST SET REAR PANEL ADDRESS SWITCH SET ADDRESS SWITCH SET TO 20 TO 21 Figure 3 1 and IF Switching with Two Test Sets HP 33311C Coaxial Switch Positions with Two Test Sets NEW Address of Test Test Set Selected HP 33311C Coaxial Switch Port Selected Seti 20 1 Port 1 21 2 Port 2 1 Not all system connections are illustrated 2 In dual source configurations the second source may be multiplexed in a similar manner If only one dual source test set is used the second source may be connected directly to the appropriate test set HP 8516A S Parameter Test Set Manual 3 5 Initialization at Power Up Selec
4. HP 85057A 2 4 mm Verification Kit This kit contains precision airline mismatched airline 20 dB and 40 dB attenuators with NBS traceable data and uncertainties 1 6 8516A S Parameter Test Set Manual Table 1 2 HP 8516A Test Set Accessories General Information Accessories Accessory Accessory Model Number Contents or Description Type Cables HP 85133 2 4 mm Test Port Return Cable For measurements where 2 4 mm device under test is connected directly to Port 1 of the test set The test port return cable is connected between the device under test and Port 2 HP 85133D 2 4 mm Test Port Return Cable Set For measurements where the 2 4 mm device under test is connected between the cable ends HP 85134 3 5 mm Test Port Return Cable For measurements where one end of a 3 5 mm device under test is connected directly to a HP 85130F adapter on Port 1 The test port return cable is connected between the device under test and Port 2 HP 85133D 2 4 mm Test Port Return Cable Set For measurements where the 2 4 mm device under test is connected between the cable ends HP 85134 3 5 mm Test Port Return Cable For measurements where one end of a 3 5 mm device under test is connected directly to a HP 85130F adapter on Port 1 The test port return cable is connected between the device under test and Port 2 HP 85134D 3 5 mm Test Port Return Cable Set For measurements where a 3 5 mm
5. 1 4 HP 8516A S Parameter Test Set Manual Table 1 1 General Information HP 8516A Test Set Options HP 8516 Test Set Options Test Set Options and Descriptions Option Number Description Option 001 This option adds IF switching capability to allow up to four test sets to be connected to the HP 8510B C at the same time The test set in use is selected from the HP 8510B C The 20 MHz IF signal is transmitted from the standard test set through the Option 001 test set s to the network analyzer IF switching is performed automatically by the Option 001 test set s without reconnections Only one HP 8516A may be used in this configuration For more information refer to Controlling Multiple Test Sets on page 3 5 of this manual Option 002 This option deletes the programmable attenuators and bias tees Note that bias can be applied externally using the HP 116124 bias tee if bias is required but attenuation is not Option 003 High Forward Dynamic Range Configuration This option is described in detail in Instrument Description and Operating Characteristics on page 1 4 Option 002 003 This option is a combination of Option 002 and Option 003 which were previously described Option 908 This option supplies the test set with the parts required to rack mount it with handles removed Refer to the Installation section of this manual for additional information Option 910 This option
6. 7 Remove transformer T1 When replacing the transformer refer to Figure 5 6 which illustrates the locations of the various wires connected to line module FL 1 TO S1 FRONT PANEL ON OFF SWITCH Figure 5 6 Wire Connections to Line Module HP 8516A S Parameter Test Set Manual 5 17 Test Set Troubleshooting Test Set Assembly Replacement Procedures Unratioed Power Test This procedure allows you to check the output power level of each test set sampler mixer assembly and its associated IF amplifier alone The normal power level display S11 for example is a ratio in this case b1 al The network analyzer automatically powers and phaselocks a predefined port or ports to make the measurement selected Ratioed measurements provide useful data but they can mask certain malfunctions Assume for example the task is to measure an S parameter at a specific power level If the test set has a 20 dB power hole due to a faulty RF input connector that deficiency would be invisible ratioed out in a ratioed measurement But the data would be incorrect it would not have been taken at the specified power level Similarly troubleshooting system faults in a ratioed measurement mode can be deceptive The solution is to check each channel singly to check the power in an unratioed mode To do so requires specifying which port to drive power to and which channel to achieve phase lock with The following procedures include steps to r
7. CABLE ASSY LINE SWITCH CLAMP CABLE 25 DIA 1 WD PVC SCREW MACH 4 40 312IN LG PAN HD POZI SCREW MACH 6 32 312IN LG HD POZI SMM 4 0 8 GL PD FRAME FRONT FRAME REAR STRUT CORNER 18 HP 8515A S Parameter Test Set Manual 6 19 Replaceable Parts Table 7 Detailed View Right and Left Reference HP Part Qty Description Designation Number 80 0515 0396 6 SMM 4 0 10 FL PD 83 5020 8896 2 TRIM FRNT HNDL 92 3050 0105 3 WASHER FL MTLC NO 4 125 IN ID 6 20 HP 8515 S Parameter Test Set Manual Replaceable Parts Figure 6 10 Miscellaneous Mechanical and Electrical Parts Top HP 8515A S Parameter Test Set Manual 6 21 Replaceable Parts AQ 49 ae vs i H i i i amp 4 6 22 8515A S Parameter Set Manual Replaceable Parts Table 6 8 Miscellaneous Mechanical and Electrical Parts Top Reference HP Part Number Qty Description Designation MISCELLANEOUS PARTS TOP 0360 0031 TERMINAL CRIMP R TNG 6 22 16 AWG RED 24 2360 0115 5 SCREW MACH 6 32 312 IN LG PAN HD POZI 26 2360 0333 12 SCREW MACH 6 32 25 IN LG 100 DEG 34 08512 20005 1 RFI GASKET 35 08513 00001 1 MAIN DECK 36 08513 00002 1 TRANSFORMER BRACKET 39 08513 00015 1 CAP APRT PLATE 47 1400 1209 1 CLP CA 69D 1 0W 49 08516 00015 1 TOP DECK 53 2200 0109 2 SCREW MACH 4 40 438 IN LG PAN HD POZI 54 2200 0164 4 SCREW MACH 4 40 188 IN LG UNCT 82 DEG
8. Table 6 15 Accessories Reference HP Part Number Qty Description Designation ACCESSORIES 1 8120 1348 1 POWER CORD U S A ONLY 2 08510 60102 1 TEST SET CABLE ASSEMBLY 3 08516 60009 1 CABLE ASSEMBLY RS232 4 8120 3445 1 HP IB CABLE ASSEMBLY 5 08513 60009 1 RF FLEX SOURCE CABLE 6 8710 1764 1 20 MM TORQUE WRENCH 90 8 IN LB 7 08515 60003 2 NON ROTATING CLAMP 8 8710 1770 1 1 2 X 9 16 IN OPEN END WRENCH 9 1250 1894 1 ADAPTER MALE N TO MALE SMA 6 42 HP 8515A S Parameter Test Set Manual Reference Designation Table 6 15 Accessories HP Part Number Qty Replaceable Parts Description SPECIFICATION AND PERFORMANCE VERIFICATION SOFTWARE 10 08510 10031 08510 10032 2 1 PROGRAM DISKS DATA DISK HP 8515A S Parameter Test Set Manual 6 43 Service This HP 8516 Service section consists of a wiring diagram keyed to Figure 7 1 the component location diagram of the motherboard A19 RF and Control Block Diagrams for the HP 8516A Use these tools as aids to troubleshoot motherboard trace and component problems Other service information is included in the Test Set Troubleshooting sections of HP 8510B Service Manual and this manual Topics covered include checks of the major assemblies and assembly removal procedures and RF troubleshooting procedures HP 8516A S Parameter Test Set Service 7 1
9. 5 dBm Nominal connector nut size 20 mm Recommended torque 90 N cm 8 in Ib 1 Available power in PRESET condition 2 Must be AC coupled Table 4 3 8516A Power Requirements and Physical Characteristics Operating Temperature 0 to 55 Power 110 120 220 or 240 10 Vac 47 to 66 Hz line frequency Dimensions 460 mm X 133 mm X 609 mm 18 1 X 5 25 X 24 inches Weight HP 8516A 15 kg 35 Ib net 4 2 8517B S Parameter Test Set Manual Specifications Table 4 4 Recommended Equipment Item Critical Specifications Recommended Model Use Network analyzer No substitute HP 8510B C Source HP 8340B HP 8341B or HP 8360 Controller No substitute HP 9000 series 200 or 300 with 4 Mbyte RAM and BASIC 3 0 or higher OR PC 305 or PC 308 HP BASIC Controller with 4 Mbytes of Basic Language Processor RAM P T Disc drive compatible with controller HP 3456A T Multimeter range 0 to 50V HP 1740A Oscilloscope 50 MHz bandwidth 1 operation P performance test T troubleshooting 2 Revision May 11 1988 firmware or higher required 3 PC or laptom running HP Basic for Windows Revision 3 0 or grater under Windows 3 1 95 NT HP IB card for PCs National Instruments HP PCMCIA card for Omnibook Laptops NI HP 8517B S Parameter Test Set Manual 4 3 Specifications 4 4 8517B S Parameter Test Set Manual Test Set Temperature Test Set Troubleshoot
10. HP 8516A S Parameter Test Set Manual 5 3 Check VTO Driver LO NOTE Test Set Troubleshooting Check Power Supply Regulator Fuses Switches There are two procedures available for checking the VTO check the VTO at two frequencies the more thorough of the two check the V TO at 12 frequencies across the VTO range Check the VTO at two frequencies Using a frequency counter and a voltmeter check the VTO fundamental frequency and A3 Summing Amp output as follows 1 Disconnect the Test Set IF Interconnect cable 2 Using a BNC to Snap On cable provided in the service kit connect the frequency counter to A14J1 labeled VTO AUX on the VTO board assembly 3 Check that A14J1 is between 165 MHz and 195 MHz 4 Disconnect the cable to A3J4 The VTO frequency should be between 150 MHz and 200 MHz Check that A3J4 is between 5 6V and 6 8V 5 Ifthe frequency is incorrect but the voltage at A3J4 is correct suspect a failed VTO 6 Ifthe voltage at A3J4 is incorrect suspect a failed A3 Summing Amp board assuming the HP 85102 is working Check the VTO at 12 frequencies Use a power supply and a frequency counter to check the VTO as follows 1 Injecta 1 to 12V DC voltage in 1 volt steps into the A14 Drive A14J2 2 Monitor A14J1 to verify that the steps through its range of 65 MHz to 300 MHz about 21 3 MHZ volt Figure 5 2 illustrates the relationship of voltage at A14
11. Option 003 b2 Thru Figure 5 9 Typical Test Set Unratioed Power Test Traces Option 003 5 22 HP 8516A S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures b1 Reflection b2 Reflection Figure 5 10 User Signal Paths in Test Sets HP 8516A S Parameter Test Set Manual 5 23 Test Set Troubleshooting Test Set Assembly Replacement Procedures TUNE RF IN a2 b2 BAS 2 1 b1 PRETUNE BAS 1 bi 91 gt N PE UD B1 Thru B2 Thru Figure 5 11 User Signal Paths in Test Sets 5 24 HP 8516 S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures BAS 1 b1 oi Na 5t c a b1 Thru b2 Thru TUNE E RF IN 92 b2 BAS 2 b2 Reflection Figure 5 12 User Signal Paths in Test Sets Option 003 HP 8516A S Parameter Test Set Manual 5 25 Equipment SOURCE Test Set Troubleshooting Test Set Assembly Replacement Procedures If Any User Channel Appears Faulty If one or more user channels appear faulty the problem might be with the source test set or HP 85102B IF detector The service adapter is a source test set emulator It provides the same 20 MHz signal to the HP 85102B as the test set and source Thus it indicates whether or not the problem is in the HP 85102B IF detector HP 85102B service adapter provided in the HP 8510
12. Table 6 10 Motherboard Parts Reference HP Part Number Qty Description Designation A19 08513 60001 1 BOARD ASSEMBLY MOTHER THE FOLLOWING PARTS ARE NOT SUPPLIED WHEN A19 IS ORDERED A19C1 A19C2 A19C3 19 4 A19C1 0180 2671 4 CAPACITOR FXD 012F 75 1096 AL A19C2 0180 2671 CAPACITOR FXD 012F 75 1096 AL A19C3 0180 2671 CAPACITOR FXD 012F 475 1096 AL 19 4 0180 2671 CAPACITOR FXD 012F 75 1096 AL A19C5 C6 0160 4834 2 CAPACITOR FXD 047UF 10 100VDC CER A19J1 1251 5745 CONNECTOR 20 PIN M POST TYPE A19J1 DOES NOT INCLUDE A19MP1 amp A19MP2 A19J2 1251 6868 4 CONNECTOR 5 PIN M POST TYPE A19J3 1251 7939 1 CONN POST TYPE 100 PIN SPCG 14 CONT A193 DOES NOT INCLUDE A19MP3 A19J4 1251 6868 CONNECTOR 5 PIN M POST TYPE A195 1251 6868 CONNECTOR 5 PIN M POST TYPE A19J6 1251 6868 CONNECTOR 5 PIN M POST TYPE A19J7 1251 3825 1 CONNECTOR 5 PIN M POST TYPE A19J8 1200 0508 2 SOCKET IC 14 CONT DIP SLDR A19J9 1200 0508 SOCKET IC 14 CONT DIP SLDR A19R1 0764 0015 2 RESISTOR 560 5 2W MO TC 0 200 A19R2 0764 0015 RESISTOR 560 5 2W MO TC 0 200 A19R3 0764 0016 2 RESISTOR 1K 5 2W MO 0 200 A19R4 0764 0016 RESISTOR 1K 596 2W MO 0 200 A19R5 0757 0394 RESISTOR 51 1 1 125W TC 0 100 A19R6 0757 0394 RESISTOR 51 1 1 125W F TC 0 100 A19XA2 1251 7882 5 CONNECTOR PC EDGE 2 ROWS A19XA3 1251 7882 CONNECTOR PC EDGE 2 ROWS A19XA4 1251 7882 CONNECTOR PC EDGE 2 ROWS A19XA5 1251 7882 CONN
13. credit to realize the cost savings Thus assemblies required for spare parts stock should be ordered by the new assembly part number which is included in the replaceable parts list of this section Refer to the parts list for the orderable part numbers A2 IF multiplexer board assembly option 001 A3 summing amplifier board assembly A4 HP IB board assembly AS attenuator switch driver assembly A7 bias tee Port 1 A9 bias tee Port 2 A14 frequency converter assembly A15 doubler interface board assembly A18 switch splitter A21 switch doubler A22 regulator board assembly 8515A S Parameter Set Manual 6 1 Replaceable Parts Replaceable Parts Lists The replaceable parts lists consist of tables with illustrations Use the illustrations to identify the part to be ordered Each table is arranged in alphanumerical order by reference designator The reference designator keys the part listed to the illustration The part number listed is a Hewlett Packard part number Quantity refers to the total number of that part in the instrument The description is a brief written description of the part and may be used for ordering purposes Table 6 1 Reference Designations A assembly J electrical connector jack AT attenuator MP miscellaneous part B fan resistor C capacitor T transformer E miscellaneous electrical W cable wire F part X Socket FL fuse filter More comprehensive tables of referenc
14. etc Adjustments The HP 8516A has no adjustments Specifically no attempt should be made to adjust the samplers as is done in other Hewlett Packard test sets Manual Backdating Manual backdating is not required for this manual set This manual applies directly to instruments with the same or lower serial number prefix indicated on the title page Instruments with serial number prefixes higher than in the front of this manual may be documented in a manual update supplement HP 8516A S Parameter Test Set Miscellaneous 8 1 8 2 Miscellaneous HP 8516A S Parameter Test Set
15. 5 11 Make sure that you redefine the parameters back to the original conditions for al bl a2 and b2 NOTE If one or more channels look abnormal refer to the procedure If Any User Channel Appears Faulty on page 5 26 5 20 8516 S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures START 9 045909900 GHz START 045000000 GHz STOP 40 000000000 GHz STOP 40 000000000 GHz al a2 START 045000000 START 9 045009000 GHz sop 40 000000000 GHz STOP 40 000000000 GH Standard b2 Thru Standard b1 Thru Ussr2 log MAG REF 30 0 20 6 4B Eq uus A REFERENCE VAL 30 0 dB START 945000000 GHz STOP 48 009000000 GHz Standard b2 Reflection Figure 5 8 Typical Test Set Unratioed Power Test Traces HP 8516A S Parameter Test Set Manual 5 21 Test Set Troubleshooting Test Set Assembly Replacement Procedures Users le ser2 bog REF 30 0 48 REF 30 0 d8 10 0 dB 10 9 48 START 0 045000000 GHz START 9 0450909000 GHz sTOP 49 0000090000 Giz STOP 40 000000000 GHz Option 003 b1 Thru Option 003 b2 Reflection User2 log MAG REF 30 0 dB 16 0 dB REFERENCE VAL 0 0 dB START 45800000 GHz 40 000000000 GHz
16. 66 08516 00010 2 COUPLER CLAMP 67 08516 00009 2 COUPLER SUPPORT 71 08513 00017 2 BRACKET CONV ASSY 78 08514 00007 1 SWITCH SPLITTER MOUNTING PLATE 95 5040 7202 1 STRIP TRIM TOP 100 08516 00014 1 ATTENUATOR MOUNTING PLATE 101 08516 00013 1 ATTENUATOR MOUNTING PLATE HP 8515A S Parameter Test Set Manual 6 23 Replaceable Parts Figure 6 11 Miscellaneous Mechanical and Electrical Parts Bottom 6 24 HP 8515A S Parameter Test Set Manual Replaceable Parts Denis PUR RI rye M P CI 2 8515A S Parameter Set Manual 6 25 Reference Designation Replaceable Parts Table 6 9 Miscellaneous Mechanical and Electrical Parts Bottom HP Part Number Qty Description MISCELLANEOUS PARTS BOTTOM 18 19 21 23 26 28 37 38 0624 0099 0624 0100 2190 0011 2200 0165 2360 0119 2680 0129 08513 00005 08513 00006 37 4 8 8 1 6 8 1 1 SCREW TPG 4 40 375 IN LG PAN HD POZI SCREW TPG 4 40 5 IN LG PAN HD POZI STL WASHER LK INTL T NO 10 195 IN ID SCREW MACH 4 40 25 IN LG 82 DEG SCREW MACH 6 32 438 IN LG PAN HD 2 SCREW MACH 10 32 312 IN LG PAN HD PCZI MTG BRACKET LH MTG BRACKET RH 6 26 8515A S Parameter Test Set Manual Replaceable Parts Figure 6 12 Motherboard Parts HP 8515A S Parameter Test Set Manual 6 27 Replaceable Parts 6 28 HP 8515A S Parameter Test Set Manual Replaceable Parts
17. SET ADDRESS SWITCH SET ADDRESS SWITCH SET TO 20 To 21 TO 22 TO 23 rfifsw_d HP 8516A S Parameter Test Set Manual 3 9 33311C Coaxial Switch Positions with Four Test Sets Operation Multiple Test Set Connections New ADDRESS of Test HP 33311C Coaxial Switch Port Selected Set1 2 3 Test Set Selected Switch 1 Switch 2 20 1 1 Port 1 21 2 Port 1 Port 2 22 3 Port 2 Port 1 23 4 Port 2 Port 2 1 Not all system connections are shown 2 In dual source configurations the second source can be multiplexed in a similar manner test set 3 If only one dual source test set is used the second source can be directly connected to the appropriate 3 10 HP 8516A S Parameter Test Set Manual Operation Measurement Calibration Measurement Calibration After selecting the active test set complete the system calibration procedure as usual When you select a different test set make sure that you recall the cal set that applies to that test set Since the cal set limited instrument state does not include the number of the active test set a cal set which does not apply to the current test set can be turned on without displaying the HP 8510B C caution messages However this causes errors in the data displayed because incorrect error coefficients are applied to the measured data For convenience store a hardware state file and an instrument state file for each comb
18. Switches Test Set Self Test Indicators If the ACTIVE LED on the front panel of test set selected by the HP 8510 does not light within two seconds of turn on or lights immediately the test set has not passed its self test You can determine what part of the self test failed by noting which HP IB LEDs on the A4 board are lit as shown below Self Test Indication A4 HP IB LEDs Time after turn on LSN TLK SRQ REM PWON ON ON ON ON 0 to 0 5 seconds on Fail ROM Test OFF ON ON ON briefly Pass ROM Test OFF OFF ON ON Pass RAM Test OFF OFF OFF ON 0 5 to 2 0 seconds Pass RAM Test OFF OFF OFF OFF after 2 seconds If Self Test Fails to Run Two seconds after turn on all four HP IB LEDs on the top of the A4 board should turn off at the same time the front panel ACTIVE LED lights Then the LEDs will light according to the state of the test set If you are using Multiple Test Sets the first test set in line becomes the active test set until another is chosen If the portion of memory which contains the self test programming is faulty the self test will not run properly The following conditions indicate that the self test ROMs are faulty All LEDs flash briefly and go off All LEDs flash briefly and stay on ACTIVE LED goes on too soon ACTIVE LED does not go on Be aware that there are other problems that can cause the self test to fail it is just that the ROMs are the most probable cause
19. areas Outside HP service travel areas warranty service will be performed at Buyer s facility only upon HP s prior agreement and Buyer shall pay HP s round trip travel expenses In all other areas products must be returned to a service facility designated by HP For products returned to HP for warranty service Buyer shall prepay shipping charges to HP and HP shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to HP from another country HP warrants that its software and firmware designated by HP for use with an instrument will execute its programming instructions when properly installed on that instrument HP does not warrant that the operation of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED HP SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE iv HP 8516A S Parameter Test Set Manual EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE F
20. device under test is connected between the cable ends HP 85134E 3 5 mm Flexible Test Port Return Cable For measurements where one end of a 3 5 mm device under test is connected directly to a HP 85130F adapter on Port 1 The test port return cable is connected between the device under test and Port 2 HP 85134F 3 5 mm Flexible Test Port Return Cable Set For measurements where a 3 5 mm device under test is connected between cable ends HP 85135C 7 mm Test Port Return Cable For measurements where one end of a 7 mm device under test is connected directly to a HP 85130E adapter on Port 1 The test port return cable is s ADS idu ISTE ej Manual 1 7 General Information Accessories Table 1 2 HP 8516A Test Set Accessories Accessory Accessory Model Number Contents or Description Type Cables HP 85135D 7 mm Test Port Return Cable For measurements where a 7 mm Continued Set device under test is connected between the cable ends HP 85135E 7 mm Flexible Test Port Return For measurements where one end of a Cable 7 mm device under test is connected directly to a HP 85130E adapter on Port 1 The test port return cable is connected between the device under test and Port 2 HP 85135F 7 mm Flexible Test Port Return For measurements where a 7 mm Cable Set device under test is connected between cable ends Adapters 85130E Special 2 4 mm to 7 mm Used to convert special 2 4 mm ports Adapter Set
21. for specific recommendations HP 8516A S Parameter Test Set Manual 1 9 Electrostatic Discharge Information WARNING General Information Operating and Safety Precautions Operating and Safety Precautions Electrostatic discharge ESD can damage or destroy electronic components work on electronic assemblies should be performed at a static safe work station Figure 1 3 on page 1 11 shows an example of a static safe work station using two types of ESD protection Conductive table mat and wrist strap combination Conductive floor mat and heel strap combination Both types when used together provide a significant level of ESD protection Of the two only the table mat and wrist strap combination provides adequate ESD protection when used alone To ensure user safety static safe accessories must provide at least 1 of isolation from ground Refer to Table 1 3 on page 1 12 for information on ordering static safe accessories These techniques for a static safe work station should not be used when working on circuitry with a voltage potential greater than 500 volts 1 10 HP 8516A S Parameter Test Set Manual General Information Operating and Safety Precautions Building Ground 1 Meg Ohm Resistor Building Ground 1 Meg Ohm Resistor Floor Mat Figure 1 3 Example of a Static safe Work Station Reducing ESD Damage The following suggestions may help reduce ESD damage that occurs during t
22. is higher than the b1 power level 5 a better configuration for wide dynamic range or reciprocal device or component measurements for example filters cables or antennas where 512 is generally not measured However because there is less isolation between the b2 sampler and Port 2 sampler bounce appearing as an occasional spurious response spike related to the VTO frequency can be noticeable Sampler bounce spikes are reduced when measuring well matched devices such as terminations or attenuators because the effects of instantaneous sampler mismatch are reduced by the return loss of the device under test Sampler bounce effects can also be reduced by placing attenuation between the sampler and device under test in front of the test port 9518 INTERCONNECT 8510 SYSTEM BUS RF INPUT TEST SET INTER CONNECT TEST SET Figure 1 2 8510 INTERCONNECT HP IB s RF OUTPUT 3 oooo Been 0000 o 00 Aai TRIGGER IN TRIGER OUTPUT Je na na na Oooo n n SWEEP STOP SWEEP IN OUT p Z Ac OO O O aun O HP 8518 NETWORK ANALYZER HP 83851 SYNTHESIZED SWEEPER Typical HP 8516A Measurement Setup
23. 19 THIS CABLE IS USED FOR OPTION 001 W20 08513 60140 1 CA ASSEMBLY A3J4 TO A14J2 W21 08513 60141 1 CA ASSEMBLY A5J2 TO A18J4 W22 08513 60142 1 CA ASSEMBLY A5J1 TO A18J3 W23 08513 60143 1 CA ASSEMBLY A5J3 TO A18J6 W24 08513 60144 1 CA ASSEMBLY A12J3 TO J11A1 W25 08513 60145 1 CA ASSEMBLY A13J3 TO J11A4 W26 08513 60146 1 CA ASSEMBLY A10J3 TO J11A2 W27 08513 60147 1 CA ASSEMBLY A11J3 TO J11A3 W28 08516 20003 1 CA RF J1 TO A22 W29 08516 20006 1 CA RF A22 TO A18 W31 08516 20011 1 CA RF A7 TO A8 W33 08516 20012 1 CA RF A8 TO AQ W34 08516 20009 1 CA RF A18 TO A13 W35 08516 20010 1 18 12 W36 08516 20007 1 CA RF A8 TO A10 W38 08516 20008 1 CA RF A8 TO A11 W40 08513 60013 1 CA ASSEMBLY A1 TO A19 W41 08513 60036 1 CA ASSEMBLY A4 TO A20 W42 08516 60007 1 CA ASSEMBLY A21 TO A22 W43 08516 60006 1 CA ASSEMBLY A21 TO REAR PANEL W44 08516 60008 1 CA ASSEMBLY A22 TO A15 W45 08513 60014 1 CA ASSEMBLY J10 TO J11 REAR PANEL W46 08516 20024 1 CA ASSEMBLY A9 TO A17 W48 08516 20026 1 CA ASSEMBLY A17 TO A18 W49 08516 20027 1 CA ASSEMBLY A16 TO A18 W50 08516 20028 1 CA ASSEMBLY A16 TO A7 6 8 HP 8515A S Parameter Test Set Manual Replaceable Parts DES 051 48 places Eie vues bes Not visible Figure 6 4 Front View External Table 6 3 Front View External Reference HP Part Number Qty Description Designation FRONT VIEW DS1 1990 0858 1 LED LAMP LUM INT 15UCD IF 25MA DS2 1990 0858 1 LE
24. 2204 1 CONNECTOR R amp P 24M 1 0380 0643 2 STANDOFF HEX 255 IN LG 6 32 THD 2 0400 0002 4 GROMMET RND 188 IN ID 312 IN GAV OD 3 0590 0926 4 THREADED INSERT STDF 6 32 188 IN LG SST 4 1251 7812 6 CONNECTOR JACKSCREW 6 2360 0123 4 SCREW MACH 6 32 625 IN LG PAN HD POZI 7 2420 0001 4 NUT HEX WILKWR 6 32 THD 109 IN THK 10 2510 0270 4 SCREW MACH 8 32 3 25 IN LG PAN HD POZI 12 3050 0139 12 WASHER FL MTLC NO 8 172 IN ID 13 3050 0152 4 WASHER SHLDR NO 8 172 IN ID 438 IN OD 14 3050 0227 4 WASHER FL MTLC NO 6 149 IN ID 16 3160 0309 1 FINGER GUARD 17 08516 00003 1 REAR PANEL 21 2190 0017 4 WASHER LK INTL NO 10 195 IN ID 36 08513 00002 1 TRANSFORMER BRACKET 49 5021 0906 14 TEFLON CABLE SLEEVE 50 5001 3907 2 LINE MODULE RETAINER CLIPS 51 2190 0016 2 WASHER LK INTL T 3 8 IN 377 IN ID 52 2190 0104 5 WASHER LK INTL T 7 16 IN 439 IN ID 59 2950 0001 2 NUT HEX DBL CHAM 3 8 32 THD 094 IN THK 60 2950 0132 5 NUT HEX DBL CHAM 7 16 28 THD 094 IN THK 61 7121 2380 1 LABEL SERIAL NUMBER 86 5041 8821 2 FOOT REAR 93 0380 0010 4 SPACER RND 625 IN LG 18 IN ID 96 0590 0663 6 NUT HEX 4 40 HP 8515A S Parameter Test Set Manual 6 15 Replaceable Parts LOCK BULKHEAD PIN AND BEAD GOLD NOSE NUT WASHER CONNECTOR ASSEMBLY CONNECTOR 60 E25 E24 E10 EP WE h D gt REAR RF INPUT CONNECTOR LOCK FLAT FLAT FLAT FLAT NUT WASHER WASHER WASHER WASHER SPACER WASHER SCREW 59 21 12 13 12 93 12 10 HL TRANSFORMER BRACKET d
25. 510 INTERCONNECT RF PUT TEST SET INTER CONNECT See x cac 950 Co aoo i Le O 9 ana O QOO O T 8518A HP 85198 TEST SET WETWORK ANALYZER HP SYNTHESIZED 8 Figure 2 3 8516A System Connections Packaging If reshipping is required each test set should be repackaged in the original factory package Containers and materials identical to those used by the factory are available through Hewlett Packard offices Alternatively comparable packaging materials may be used Wrap the test set in heavy paper or anti static plastic If shipping to an HP Office or Service Center complete and attach a service tag in the HP 8510 manual set Use sufficient shock absorbing material on all sides of the test set to provide a thick firm cushion and prevent movement Seal the shipping container securely and mark it FRAGILE In any correspondence with HP refer to the test set by full model and serial number 2 6 8515A S Parameter Test Set Manual Operation Operation This section illustrates the features and functions of the front and rear panels of the HP 8516A test set It also describes Option 001 Multiple Test Set Operation available with these Hewlett Packard test sets HP 8511A HP 8514B HP 8515A and HP 85164 It also includes the related automatic control by the HP 8
26. 510B C Network Analyzer Front Panel Features Table 3 1 8516A Front Panel Features ex N 2 pP f V Sa ss F 1 i aud Enid O gt SSS Item Description Function Description Numb or Label er 1 Line Switch This switch turns the test set on and off When the side of the switch labeled O is depressed the test set is off is on 2 Line LED This LED goes on and off with the test set line switch 3 Active LED This LED lights about two seconds after power is turned on following the successful conclusion of self test If the test set is used with other test sets Option 001 and is not addressed by the HP 8510 then this light remains off 4 Port 1 This test port transmits RF energy from the source to the DUT and receives reflected or transmitted RF energy from the DUT The reflected RF energy is coupled to a sampler within the instrument Under no circumstances should anything be torqued to the test port connector with greater than 20 inch pounds 5 Bias Fuse The fuse which limits bias applied to Port 1 is within this holder see the instrument front panel or the replaceable parts list for the value of the fuse HP 8516A S Parameter Test Set Manual 3 1 Table 3 1 8516A Front Panel Features 6 ai LED This LED indicates that the HP 85164 is internally switch
27. 8 ii HP 8516A S Parameter Test Set Manual What You ll Find in This Manual Part1 Test set description and installation information Part2 Principles of operation and specifications Part3 Troubleshooting replacement procedures and replaceable parts information HP 8516A S Parameter Test Set Manual iii Certification Warranty Warranty Custom systems are warranted by contractual agreement between Hewlett Packard Company and the Customer Hewlett Packard Company certifies that this product met its published specifications at the time of shipment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology NIST formerly NBS to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members This Hewlett Packard system product is warranted against defects in materials and workmanship for a period corresponding to the individual warranty periods of its component products Instruments are warranted for a period of one year During the warranty period Hewlett Packard Company will at its option either repair or replace products that prove to be defective Warranty service for products installed by HP and certain other products designated by HP will be performed at Buyer s facility at no charge within HP service travel
28. B Service Manual refer to Service Tools BNC to BNC cable TEST SET HP 85102 SERVICE ADAPTER IF MULTIPLEXER Figure 5 13 85102 Signal Path with Service Adapter Service Adapter Procedure 1 Connect the HP 85102B service adapter to the HP 85102B rear panel 20 MHz OUT connector and the J2 IF DISPLAY INTERCONNECT connector Press PRESET MARKER STIMULUS MENU STEP PARAMETER MENU and each User softkey to observe the unratioed power level of the Userl through User4 channels The traces should be flat lines quite close to each other as indicated by the marker value typically about 28 5 dB 5 26 HP 8516A S Parameter Test Set Manual Service Adapter Conclusions Test Set Troubleshooting Test Set Assembly Replacement Procedures If all of the channels look good with the service adapter and all looked bad in the unratioed power test the HP 85101 and 85102 are working The problem is probably source related Refer to the Source Tests and Service Program sections of the Service Manual to continue troubleshooting the problem If all four User channels look bad with the service adapter suspect the 20 MHz signal from the A6 clock board assembly Refer to the paragraph titled HP 85102 IF Detector Tests in the Service Program section to verify the 20 MHz output If one or more but not all channels look bad troubleshoot the HP 85102 by referring to the Service Progr
29. D ASSY DOUBLER INTERFACE NEW A15 08516 69034 1 BOARD ASSY DOUBLER INTERFACE REBUILT A16 33325 60001 2 PORT 1 STEP ATTENUATOR A17 33325 60001 2 PORT 2 STEP ATTENUATOR Al8 5086 7478 1 SWITCH SPLITTER NEW Al8 5086 6478 1 SWITCH SPLITTER REBUILT A20 08513 60006 1 BOARD ASSY HP IB INTERCONNECT NEW A21 5086 7472 1 ASSEMBLY SWITCH DOUBLER NEW A21 5086 6472 1 ASSEMBLY SWITCH DOUBLER REBUILT A22 08516 60002 1 BOARD ASSEMBLY REGULATOR NEW A22 08516 69002 1 BOARD ASSEMBLY REGULATOR REBUILT AT1 08516 60021 1 2 4MM 6 dB ATTENUATOR AT2 08516 60021 1 2 4MM 6 dB ATTENUATOR 08516 60022 1 2 4 13 dB SHAPED ATTENUATOR AT4 08516 60022 1 2 4MM 13 dB SHAPED ATTENUATOR B1 08513 20031 1 FAN TBAX 34 CFM 115V 50 60 HZ 1 5KVDIEL T1 9100 4723 1 POWER TRANSFORMER HP 8515A S Parameter Test Set Manual 6 5 Replaceable Parts Figure 6 3 Cable Assemblies 6 6 8515A S Parameter Test Set Manual Replaceable Parts WS W25 LE i 8 somos HP 8515A S Parameter Test Set Manual 6 7 Replaceable Parts Table 6 2 Cable Assemblies Reference HP Part Number Qty Description Designation CABLE ASSEMBLIES W1 W12 THESE CABLES ARE USED FOR OPTION 001 W13 08513 60133 1 CA ASSEMBLY A3J1 TO A14J1 W14 08513 60134 1 CA ASSEMBLY A3J2 TO J11A7 W15 THIS CABLE IS USED FOR OPTION 001 W16 08513 60136 1 CA ASSEMBLY A3J5 TO J11A5 W17 THIS CABLE IS USED FOR OPTION 001 W18 08513 60138 1 CA ASSEMBLY A3J7 TO J11A6 W
30. D LAMP LUM INT 15UCD IF 25MA E33 E34 2110 0565 1 FUSEHOLDER E37 2110 0565 1 FUSEHOLDER CAP 12A MAX FOR UL E38 2110 0565 1 FUSEHOLDER CAP 12A MAX FOR UL F1 2110 0012 1 FUSE 5A 250V NTD 1 25X 25 UL F2 2110 0565 1 FUSE 5A 250V NTD 1 25X 25 UL J13 J14 08516 60005 2 CONNECTOR ASSY 2 4MM TEST PORT FOR TEST SET SERIAL 2820 AND LOWER 08516 60018 2 CONNECTOR ASSY 2 4MM TEST PORT FOR TEST SET SERIAL 2903A AND GREATER W59 85102 60226 1 CABLE ASSY LINE SWITCH 43 5021 8747 1 FRONT BEZEL 48 1450 0615 2 RETAINER LED 0 75 IN LG 0 38 IN 50 08514 20024 1 TEST PORT FLANGE 63 5021 3427 2 WSHR TS PORT CONN 64 5021 3428 2 NUT FLANGE TS PORT CONN 65 08340 40002 2 MOUNT LED 75 08516 00011 1 FRONT PANEL 76 08516 00012 1 SUB PANEL 88 5062 3757 1 COVER ASSY SIDE HP 8515A S Parameter Test Set Manual 6 9 Replaceable Parts Table 6 3 Front View External Reference HP Part Number Qty Description Designation 89 5062 3799 2 HANDLE ASSY FRONT 90 08513 00040 1 TEST SET COVER TOP 91 08513 00041 1 COVER SIDE PERF 6 10 HP 8515A S Parameter Test Set Manual Replaceable Parts Figure 6 5 Front View Internal Table 6 4 Front View Internal Reference HP Part Number Qty Description Designation FRONT INTERNAL A1 08513 60005 1 BOARD ASSEMBLY FRONT PANEL A6 0955 0422 1 DIRECTIONAL COUPLER 40 GHz 2 4MM PORT 1 A8 0955 0422 1 DIRECTIONAL COUPLER 40 GHz 2 4MM PORT 2 08513 80028 2 FUSEHO
31. Diagram of 3 5 mm Connector 1 Remove any attached cables from the connector to be replaced 2 Use a 1 2 inch wrench to loosen the gold nose connector Remove the pin and bead assembly from the connector If only the pin and bead assembly needs to be replaced continue with step 6 3 From the inside of the test set use the 9 16 inch nut driver to loosen the 9 16 inch nut and remove the rest of the connector 4 Usethe part numbers given in the replaceable parts section of this manual HP 8516A S Parameter Test Set Manual 5 13 Assembly NOTE Test Set Troubleshooting Test Set Assembly Replacement Procedures 5 Assemble the bulkhead connector lock washer and nut Tighten the nut using the 9 16 inch nut driver 506 N cm 45 in Ib 6 Clean the pin and bead assembly using the procedures described in the Microwave Connector Care Manual provided with your HP 8510B manual set Insert the pin and bead assembly into the gold nose connector Attach this assembly to the bulkhead connector Torque the bulkhead connector to 281 N cm 25 in Ib 7 Clean the mating surfaces with liquid freon or alcohol and lint free swabs 8 Check the pin depth of the gold nose connector The pin depth specification is 0 0000 to 0 0030 inch If the pin depth is not within specification do not shim Instead install another pin and bead assembly 9 Reconnect the cables disconnected in step 1 8 Switch Doubler Interface Board 1 Re
32. ECTOR PC EDGE 2 ROWS A19XA6 A19XA14 NOT ASSIGNED A19XA15 1251 7882 CONNECTOR PC EDGE 2 ROWS HP 8515A S Parameter Test Set Manual 6 29 Replaceable Parts Figure 6 13 Parts Unique to Option 003 6 30 HP 8515A S Parameter Test Set Manual Replaceable Parts ELLE HP 8515A S Parameter Test Set Manual 6 31 Reference Designation Replaceable Parts Table 6 11 Parts Unique to Option 003 HP Part Numer Qty Description PARTS UNIQUE TO OPTION 003 W47 W51 AT5 95 08516 20025 08516 20031 08516 60020 1400 1470 1 1 1 2 CA ASSEMBLY A17 B2 SAMPLER CA ASSEMBLY A8 TO A18 2 4MM 3dB ATTENUATOR CABLE CLAMP 6 32 HP 8515A S Parameter Test Set Manual Replaceable Parts Figure 6 14 Parts Unique to Option 001 HP 8515A S Parameter Test Set Manual 6 33 Replaceable Parts 6 34 HP 8515A S Parameter Test Set Manual Reference Designation Replaceable Parts Table 6 12 Parts Unique to Option 001 HP Part Number Qty Description PARTS UNIQUE TO OPTION 001 A2 A2 W1 W2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W12 W13 W14 W15 W16 W17 W18 W19 08513 60004 08513 69004 08513 60121 08513 60122 08513 60123 08513 60124 08513 60125 08513 60126 08513 60127 08513 60128 08513 60129 08513 60130 08513 60131 08513 60132 08513 60135 08513 60137 08513 60139 M NM HU E E BD ASSY IF MULTIPL
33. EXER NEW BD ASSY IF MULTIPLEXER REBUILT CA AY A12J3 TO A2J1 CA AY A13J3 TO A2J7 CA AY A10J3 TO A2J4 CA AY A11J3 TO A2J10 CA AY A2J2 TO J11A1 CA AY A2J8 TO J11A4 CA AY A2J5 TO J11A2 CA AY A2J11 TO J11A3 CA AY A2J3 TO J10A1 CA AY A2J9 TO J10A4 CA AY A2J6 TO J10A2 CA AY A2J12 TO J10A3 NOT UNIQUE TO OPTION 001 CA AY A3J3 TO J10A7 NOT UNIQUE TO OPTION 001 CA AY A3J6 TO J10A5 NOT UNIQUE TO OPTION 001 CA AY A3J8 TO J10A6 HP 8515A S Parameter Test Set Manual 6 35 Replaceable Parts Figure 6 15 Parts Unique to Option 002 6 36 HP 8515A S Parameter Test Set Manual Replaceable Parts HP 8515A S Parameter Test Set Manual 6 37 Replaceable Parts Table 6 13 Parts Unique to Option 002 Reference HP Part Number Qty Description Designation W52 08516 20033 1 CA ASSEMBLY A8 TO A18 W53 08516 20032 1 CA ASSEMBLY A18 TO A6 6 38 HP 8515A S Parameter Test Set Manual Replaceable Parts Figure 6 16 Parts Unique to Options 002 and 003 HP 8515A S Parameter Test Set Manual 6 39 Replaceable Parts 6 40 HP 8515A S Parameter Test Set Manual Reference Designation Replaceable Parts Table 6 14 Parts Unique to Options 002 and 003 HP Part Number Qty Description W54 08516 20030 1 CA ASSEMBLY A8 TO B2 SAMPLER HP 8515A S Parameter Test Set Manual 6 41 Replaceable Parts Figure 6 17 Accessories
34. Errata Title amp Document Type 8516A S Parameter Test Set Op amp Svc Manual Manual Part Number 08516 90069 Revision Date March 12 1998 HP References in this Manual This manual may contain references to HP or Hewlett Packard Please note that Hewlett Packard s former test and measurement business is now part of Agilent Technologies We have made no changes to this manual copy The 8516A referred to in this document is now obsolete as is the 8510 Network Analyzer About this Manual We ve added this manual to the Agilent website in an effort to help you support your product This manual provides the best information we could find It may be incomplete or contain dated information and the scan quality may not be ideal If we find a better copy in the future we will add it to the Agilent website Support for Your Product Agilent no longer sells or supports this product You will find any other available product information on the Agilent Test amp Measurement website www tm agilent com Search for the model number of this product and the resulting product page will guide you to any available information Our service centers may be able to perform calibration if no repair parts are needed but no other support from Agilent is available 4 Agilent Technologies This page has been intentionally left blank HEWLETT PACKARD 8516A S Parameter Test Set Operating and Service Manual HP part numb
35. F TEST SET CONNECTOR FRONT VIEW OF FRONT VIEW OF TEST SET CONNECTOR CABLE CLAMP clamp d Figure 3 3 Visually Aligning Clamp and Nut Flats HP 8516A S Parameter Test Set Manual 3 15 Using the Anti Rotation Clamps Positioning the connector See Figure 3 6 Maneuver the clamp over the RF connector and onto the test port connector 1 Hold the test cable with one hand Use the other hand to press the clamp gently and steadily as you wiggle it into position straight over the RF connector and onto the test port connector nut Be sure to loosen the clamp when you are slipping it over the connector 2 Fitthe internal flats in the clamp over the flats on the test port connector nut Avoid rotating the clamp as you position it so the RF connection remains tight remember it loosens easily HOLD CABLE WITH ONE PRESS CLAMP HERE GENTLY STEADILY Figure 3 4 FACE OF TEST SET PART OF TEST SET CONNECTOR mating d Mating the Clamp and Nut Flats 3 16 8516A S Parameter Test Set Manual THUMBSCREW ALIGN THUMBSCREW WITH COUNTER SU HOLE COUNTER SU HOLE Figure 3 5 Operation Using the Anti Rotation Clamps Aligning the thumb screw See Figure 3 5 Ensure that the thumb screw is aligned with the counter sink hole on the clamp s body Pushthe clamp toward the test set front panel 2 Fin
36. HP for repair HP 8516A S Parameter Test Set Manual 5 11 CAUTION Test Set Troubleshooting Test Set Assembly Replacement Procedures 4 Frequency Converter The frequency converter consists of a VTO voltage tuned oscillator assembly and four samplers Electrostatic discharge ESD can damage or destroy electronic components work on electronic assemblies should be performed at a static safe workstation Refer to Operating and Safety Precautions on page 1 8 for more information on preventing ESD The assemblies handled in this procedure are very sensitive to damage by static electricity They may or may not continue to function if subjected to an electrostatic discharge In any case an electrostatic discharge will impair the reliability of these assemblies Always perform the following steps in order 1 Remove the four semi rigid cables from the four samplers 2 Remove the in line attenuators from the samplers 3 Remove the six flexible cables from the frequency converter by gently pulling on the gold connector 4 Unplug the ribbon cable near the front panel 5 Unplug the four harnessed multi colored wire and socket assemblies 6 Remove the four frequency converter mounting plate screws and the frequency converter bracket screw that fastens the frequency converter to the chassis Lift the frequency converter out of the test set 7 Remove the frequency converter bracket by removing the two 2 pozidri
37. J2 to VTO oscillation frequency If a power supply is unavailable use the 1 to 10V DC available from the AUX OUT on the rear panel of the HP 85102 For more information on this feature please refer to the Operating and Programming Manual of the HP 8510B C manual set 5 4 8516A S Parameter Test Set Manual Test Set Troubleshooting Check Power Supply Regulator Fuses Switches CAUTION Any positive voltage injected into the VTO drive will damage the VTO 300MHz 250 MEASURED FREQUENCY 200 A14 Ji VIO AUX 150 100 50 12 11 10 9 8 7 6 5 4 3 2 1 0 NEGATIVE DC VOLTAGE AT A142 Figure 5 2 VTO Voltage to Frequency Relationship HP 8516A S Parameter Test Set Manual 5 5 CAUTION Test Set Troubleshooting Check Power Supply Regulator Fuses Switches Nominal Programmed Source Power The HP 8516A uses fixed source power It instructs the source to provide 0 to 10 dBm ramp from 45 MHz to 20 GHz and a constant 10 dBm from 20 GHz to 40 GHz The source power may be varied using the RPG rotary pulse generator knob on the HP 8510B C Network Analyzer by 5 dBm and 10 dBm but caution must be exercised not to exceed the damage level of the switch doubler When the power is varied the shape of the source output remains constant that is there is still a 10 dBm ramp from 45 MHz to 20 GHz For example the ramp may extend from 2 dBm to 8 dBm The Switch Doubler can be DAMAGED by a DC voltage inpu
38. LDER E34 08513 80028 FUSEHOLDER J13 J14 08516 60005 2 CONNECTOR ASSY 2 4MM TEST PORT FOR TEST SET SERIAL 2820A AND LOWER 08516 60018 2 CONNECTOR ASSY 2 4MM TEST PORT FOR TEST SET SERIAL 2903A AND GREATER W40 08513 60013 1 ASSY A1 TO A19 48 1450 0615 2 RETAINER LED 0 75 IN LG 0 38IN 50 2110 0569 2 FUSEHOLDER COMPONENT NUT THREAD 65 08340 40002 2 MOUNT LED HP 8515A S Parameter Test Set Manual 6 11 Replaceable Parts Table 6 4 Front View Internal Reference HP Part Number Qty Description Designation 66 08516 00010 2 COUPLER CLAMP 67 08516 00009 2 COUPLER SUPPORT 76 08516 00012 1 SUB PANEL 6 12 HP 8515A S Parameter Test Set Manual Replaceable Parts Figure 6 6 Rear View External HP 8515A S Parameter Test Set Manual 6 13 Replaceable Parts El i i i i pee zer ie 6 14 HP 8515A S Parameter Test Set Manual Replaceable Parts Table 6 5 Rear View External Reference HP Part Qty Description Designation Number REAR VIEW EXTERNAL B1 08513 20031 1 FAN TBAX 34 CFM 115V 50 60 HZ 1 5KVDIEL E10 08613 20016 1 GOLD NOSE CONNECTOR E24 5061 5394 1 PIN AND BEAD ASSEMBLY E25 08513 20017 1 BULKHEAD CONNECTOR F3 2110 0002 1 FUSE 2 0A 250V NTD 1 25X 25 UL FL1 9135 0217 1 LINE MODULE FILTERED J6 1250 0083 2 CONNECTOR RF BNC FEM SGL HOLE FR 50 OHM J8 1250 0083 CONNECTOR RF BNC FEM SGL HOLE FR 50 OHM J10 1251 2197 1 CONNECTOR R amp P 24F J11 1251
39. OR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY Assistance Product maintenance agreements and other customer assistance agreements are available for Hewlett Packard products For assistance call your local Hewlett Packard Sales and Service Office refer to Service and Support on page vi HP 8516A S Parameter Test Set Manual v Service and Support Any adjustment maintenance or repair of this product must be performed by qualified personnel Contact your customer engineer through your local HP Service Center You can find a list of HP Service Centers on the web at http www hp com go tmdir If you do not have access to the Internet one of these HP centers can direct you to your nearest HP representative United States Hewlett Packard Company Test and Measurement Call Center PO Box 4026 Englewood CO 80155 4026 800 452 4844 toll free in US Canada Hewlett Packard Canada Ltd 5150 Spectrum Way Mississauga Ontario LAW 5G1 905 206 4725 Europe Hewlett Packard European Marketing Centre Postbox 999 1180 AZ Amstelveen The Netherlands 81 20 547 9900 Japan Hewlett Packard Ltd Measurement Assistance Center 9 1 Takakura Cho Hachioji Shi Tokyo 192 Japan 81 426 56 7832 81 426 56 7840 FAX Latin America Hewlett Packard Latin American Region Headquarters 5200 Blue Lagoon Drive 9th F
40. S MENU on the HP 85102 to preset the HP 8510 and access the STIMULUS menu HP 8340 41 systems press STEP on the HP 85101 to put the source in step mode 2 check all of samplers in an S parameter test set first redefine the a2 and b2 phase lock and drive paths Press PARAMETER MENU User 3 a2 REDEFINE PARAMETER DRIVE Port 2 PHASE LOCK a2 REDEFINE DONE to redefine a2 Press User 2 b2 REDEFINE PARAMETER DRIVE Port 2 PHASE LOCK a2 REDEFINE DONE to redefine b2 3 Connect an open or short to port 1 and port 2 4 Press User 1 a1 User 2 b2 User 3 a2 and User 4 b1 to check the samplers indicated the RF signal paths are shown in Figure 5 10 and Figure 5 11 Each trace should typically look like the examples in Figure 5 8 and Figure 5 9 within 5 dB HP 8516A S Parameter Test Set Manual 5 19 Test Set Troubleshooting Test Set Assembly Replacement Procedures b1 Thru Test 5 Connecta thru two RF cables from port 1 to port 2 6 Press PARAMETER MENU USER 4 b1 REDEFINE PARAMETER DRIVE PORT 2 PHASELOCK a2 REDEFINE DONE to observe the b1 power level trace through the path indicated by Figure 5 10 and Figure 5 11 b2 Thru Test 7 Press PARAMETER MENU USER 2 b2 REDEFINE PARAMETER DRIVE PORT 1 PHASELOCK a1 REDEFINE DONE to observe the b2 power level trace through the path indicated by Figure 5 10 and Figure
41. am and Block Diagrams sections of the service manual Then recheck the unratioed channel power levels Single channel problems suggest the IF Mixer board corresponding to the User function channel al b1 al or a2 is faulty Refer to the Overall System Block diagram located in the Block Diagrams section of the Service Manual Multiple channel problems indicate the problem is most likely in the circuitry after the Mixer boards for example the IF amplifiers or synchronous detectors Refer to the HP 85102A Overall Block Diagram in the Block Diagrams section of the Service Manual Determine whether the failure is in the reference path or the test path Test the suspect board s using the procedures provided in the Service Program section Check the IF Amplifiers and Synchronous Detectors by swapping the reference and test board assemblies since they are identical and seeing if the problem moves HP 8516A S Parameter Test Set Manual 5 27 Test Set Troubleshooting Test Set Assembly Replacement Procedures 5 28 HP 8516 S Parameter Test Set Manual Replaceable Parts Introduction This section contains information for ordering parts Exchange Assemblies Available describes how to order assemblies which are available on an exchange basis Exchange Assemblies Available The items below are replaceable on a rebuilt exchange basis at a cost saving They are not field repairable Defective assemblies must be returned for
42. ays the new address OR to change the network analyzer read out you can use the network analyzer s HP IB ADDRESS command and enter the desired address Now to actually change the test set s addres re set the switches located on the test set s rear panel to match the number displayed on the network analyzer screen Driver Control Another feature of the network analyzer is that a code sequence is RF Switch Driver Control automatically issued across the HP 8510B C system bus to the device at the ADDRESS of RF SWITCH when the HP 8510 ADDRESS of TEST SET function is changed In the recommended configuration the device is an HP 11713A Attenuator Switch Driver The switch driver in turn controls one or more coaxial switches These switches shown in a Figure 3 3 on page 3 4 and Figure 3 4 on page 3 7 are used to choose which test set receives the RF output from the network analyzer source The exact command issued depends upon the new value of the ADDRESS of TEST SET function also shown in shown in a Figure 3 3 and Figure 3 4 HP 8516A S Parameter Test Set Manual 3 7 Multiple Test Set Connections Figure 3 2 and IF Switching with Four Test Sets 3 8 HP 8516A S Parameter Test Set Manual Operation Multiple Test Set Connections
43. binE 1 Order from Mountz Company 1080 North 11th Street San Jose CA 95112 HP 8516A S Parameter Test Set Manual 5 9 Test Set Troubleshooting Test Set Assembly Replacement Procedures c oy A A HIN TP wee iO a M F Figure 5 4 General Set Component Location Diagram Top View 5 10 HP 8516A S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures 1 Bias Tee Unsolder the wire connected to the bias tee 2 Loosen the nuts 2 on both sides of the bias tee 3 Disconnect the two semi rigid cables from the bias tee and remove the tee from the test set 2 Coupler 1 Remove the two semi rigid cables attached to the coupler 2 Remove the coupler support bracket 3 Carefully loosen the nut connecting the coupler to the front panel with the 5 16 inch torque wrench 4 Remove the coupler away from the front panel and lift it out of the test set 3 Switch Splitter 1 Remove the five semi rigid cables and the three flexible cables from the switch splitter with the 5 16 inch wrench Reposition any other cables as required to ease removal 2 Remove the four screws which attach the switch splitter mounting bracket to the top deck 3 Remove the switch splitter and bracket from the test set 4 Remove the bracket from the switch splitter before sending the switch splitter to
44. by addressing it then enter the address of the desired test set Refer to the procedure in Test Set Addressing for instructions To select a test set follow the procedure in Table 3 3 on page 3 7 3 6 8516A S Parameter Test Set Manual et IF Switching Operation Multiple Test Set Connections Table 3 3 Selecting a Test Set When Multiple Units are Configured The active test set is selected by the built in capability ofthe analyzer Test Set IF Switching to generate an addressed command to the test set Each time the HP 8510 ADDRESS of TEST SET function is changed refer to LOCAL Menu in the HP 8510B C manual the network analyzer switches the IF signal of the previously addressed test set to external switches the IF signal of the newly addressed test set to internal sets the front panel ACTIVE LED to indicate test set status applies the active test set IF signals directly to J11 TEST SET INTERCONNECT passes the inactive test set s IF signals at J10 through to J11 and on to the next test set or to the network analyzer et Addressing To change the address of the active test set change the address Test Set Addressing displayed on the HP 8510B C and set the mechanical switch on the rear panel of the test set Here s how 1 On the analyzer s front panel select the HP 8510 ADDRESS OF TEST SET function 2 Using the key pad enter the desired address for the test set then press The HP 8510B C now displ
45. cation Standard system performance verification procedures verify the operation of an Option 001 test set used as test set number 1 To verify the performance of a different test set in the configuration use ADDRESS of TEST SET to select it then continue with this procedure Refer to the HP 8510B C On Site Service Manual for its performance verification procedure HP 8516A S Parameter Test Set Manual 3 13 Using the Anti Rotation Clamps Using the Anti Rotation Clamps Use anti rotation clamps to secure RF connections at the test ports of the test sets When installed each clamp holds the large nut on the test set s RF test port to the connector on an RF cable attached to the port If an adapter is used the clamp stabilizes the adapter to the front panel RF port connector Without these clamps the test port connections can loosen when the device under test is moved This in turn can invalidate calibrations and measurements These instructions refer to an installation using HP RF cables However the anti rotation clamps may also be used with front panel adapters Adapter installations are similar There are two anti rotation clamps included in the test set accessories box Attach the first clamp Remove one anti rotation clamp from the accessories box Loosen its thumb screw until it is nearly removed from counter sink socket in the clamp body The clamp is shown as it
46. ctor assembly 11 B1 Fan Turn the test set OFF and disconnect the power cord from the mains Electrocution can result if power is not removed from the test set prior to this procedure To replace the fan transformer T1 must be removed so that the ends of the fan wires may be unsoldered from line module FL1 Refer to the Replaceable Parts section of this manual for a detailed view of the B1 fan and T1 transformer hardware stackup 1 Turn the test set on its right hand side 2 Usea 5 16 inch open end wrench to remove the hardline cables connected between couplers A7and A9 and bulkhead connectors J2 and J5 3 Unplug the transformer connector mating with connector J2 on the A15 regulator board assembly 4 Usealarge pozi driv screwdriver to remove the four screws and washers holding transformer T1 onto the rear panel 5 Usea large pozi driv screwdriver to remove the one screw holding the transformer angle bracket to the main deck Carefully remove the transformer from the test set and put it on the bench close to the test set HP 8516A S Parameter Test Set Manual 5 15 Test Set Troubleshooting Test Set Assembly Replacement Procedures The transformer wires soldered to the FL1 line module are short so do not pull on the transformer too much Strip the heat shrink tubing off of the two fan wires and unsolder them from line module FL1 Use wire cutters to cut any cable ties holding the fan wires to nearb
47. e designators and abbreviations are behind the Replacement Parts tab of the HP 8510B Service Manual 6 2 8515A S Parameter Test Set Manual Replaceable Parts Figure 6 2 Major Assemblies HP 8515A S Parameter Test Set Manual 6 3 Replaceable Parts s a se ioi uu E L ae ACTUS qe FA 5 s aa 6 4 HP 8515A S Parameter Test Set Manual Replaceable Parts Table 6 1 Major Assemblies Reference HP Part Number Qty Description Designation MAJOR ASSEMBLIES A1 08513 60005 1 BOARD ASSEMBLY FRONT PANEL NEW A2 08513 60004 1 BD ASSY USED FOR OPT 001 ONLY A2 08513 69004 1 BD ASSY USED FOR OPT 001 ONLY A3 08513 60008 1 BD ASSY VTO SUMMING AMPLIFIER NEW A3 08513 69008 1 BD ASSY VTO SUMMING AMPLIFIER REBUILT A4 08516 60029 1 BOARD ASSEMBLY HP IB NEW A4 08516 69029 1 BOARD ASSEMBLY HP IB REBUILT A5 08513 60011 1 BD ASSY ATTEN SWITCH DRIVER NEW A5 08513 69011 1 BD ASSY ATTEN SWITCH DRIVER REBUILT A6 0955 0422 2 DIRECTIONAL COUPLER 40 GHZ 2 4 MM PORT 1 A7 5086 7484 2 BIAS TEE PORT 1 NEW A7 5086 6484 BIAS TEE PORT 1 REBUILT A8 0955 0422 DIRECTIONAL COUPLER 40 GHZ 2 4 MM PORT 2 A9 5086 7484 BIAS TEE PORT 2 NEW A9 5086 6484 BIAS TEE PORT 2 REBUILT A10 NOT ASSIGNED A11 NOT ASSIGNED A12 NOT ASSIGNED A13 NOT ASSIGNED A14 5086 7480 1 FREQ CONV SAMPLERS amp VTO NEW A14 5086 6480 1 FREQ CONV SAMPLERS amp VTO REBUILT A15 08516 60034 1 BOAR
48. ed to the S44 or So mode and source power is switched to Port 1 7 a2 LED This LED indicates that the HP 85164 is internally switched to the Soo or 42 mode and source power is switched to Port 2 8 Bias Fuse The fuse which limits bias applied to Port 2 is within this holder see the instrument front panel or the replaceable parts list for the value of the fuse 9 Port 2 In the HP 85164 this test port transmits RF energy from the source to the DUT and receives reflected or transmifted RF energy from the DUT In the HP 8516A Option 003 high forward dynamic range configuration the Port 2 coupler is reversed to optimize dynamic range in the forward direction The received RF Port 1 energy is input directly to a sampler within the instrument Rear Panel Features Table 3 2 HP 8516A Rear Panel Features 8 TEST e COM 5 00000 b rearpan Item Label or Description Function Description Line Module This assembly houses the line cord connector line fuse and line voltage selector Pull out the right side of the line module cover to replace or change the fuse or to change the voltage selection Note that the voltage selector drum must be removed to rotate it to a different voltage setting Recommended fuse values are printed on the rear panel 3 2 8516A S Parameter Test Set Manual Operat
49. edefine parameters as required The HP 8516A Test Set is unique among test sets produced Hewlett Packard in that as part of the design criteria port 1 and port 2 were not phase balanced Because of this variations will occur when examining the output of the individual samplers or when comparing the S parameters Additionally the HP 8516A option 003 High Forward Dynamic Range Configuration has the port 2 coupler reversed to optimize dynamic range in the forward direction Because the b2 sampler is connected to the coupler throughpath instead of the coupled arm there is less isolation between the b2 sampler and port 2 and the power level will be higher than b1 As a result sampler bounce appearing as an occasional spur related to the VTO frequency can be worse in this asymmetrical test set than the standard symmetrical test set Figure 5 7 Figure 5 10 and Figure 5 11 show which assemblies are parts of the signal path of each channel Realizing that some assemblies are common to two or all four channels is a powerful troubleshooting tool Figure 5 8 and Figure 5 9 following these procedures show typical traces 5 18 8516 S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures SOURCE TEST SET HP 85102 o9 2 N MULTIPLEXER Figure 5 7 Simplified Signal Path of Unratioed Power Test Sampler Test Press PRESET STIMULU
50. em 5 in Figure 2 1 Accessories Supplied with the HP 8517B Test Set 1 Gently push the clamp round hole end first over and past the RF cable connector to be used 2 Fitthe rubber O ring in the round end of the clamp over the connector If the O ring is not snug or is damaged refer to the Chapter 6 procedure 8 Replacement Procedures for instructions about replacing the internal O ring 3 Wiggle the clamp to ease it over the connector 4 Attach the cable to the test port and tighten it as specified in the cable manual Do not twist the cable as you attach it to the test port Use the torque wrench supplied with your calibration kit to tighten the cable to 90 N cm 8 in lb and no greater 3 14 8516A S Parameter Test Set Manual Operation Using the Anti Rotation Clamps Important The test set RF connector becomes loosened easily Hold the RF cable securely throughout the remainder of this procedure Do not allow the cable to rotate Positioning the thumb screw See Figure 3 5 Position the clamp so the thumb screw is positioned at the top of the clamp Turn the clamp to visually align the clamp flats with the flats on the test port connector nut This positioning minimizes rotating the connector in the procedure step The flats may actually be in any orientation with respect to the front panel MAKE SURE FLAT SURFACE ON REAR OF CABLE CLAMP 15 PARALLEL WITH FLAT SURFACE O
51. er 08516 90069 Printed in USA 12 March 1998 Revision 2 Notice The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett Packard This document contains proprietary information which is protected by copyright rights are reserved No part of this document may be photocopied reproduced or translated to another language without prior written consent of Hewlett Packard Company Restricted Rights Legend Use duplication or disclosure by the U S Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 for DOD agencies and subparagraphs c 1 and c 2 of the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 for other agencies Hewlett Packard Company Santa Rosa Systems Division 1400 Fountaingrove Parkway Santa Rosa CA 95403 1799 U S A Copyright Hewlett Packard Company 1997 199
52. er monitor The Edit Parameters window will appear on the screen Used for menus lists dialog boxes and button boxes on a computer monitor from which you make selections using the mouse or keyboard Double click EXIT to quit the program HP 8516A S Parameter Test Set Manual ix x 8516 S Parameter Test Set Manual Getting Started General Information General Information The purpose of this manual is to enable you to use the HP 8516A S Parameter test set effectively and confidently The test set is an integral component of the HP 8510B C measurement system General Information includes the following topics How to Use this Manual on page 1 2 Description of the Instrument on page 1 3 Options of the HP 8515A Test Set on page 1 4 Operating and Safety Precautions on page 1 7 The contents of this manual are to be an integral part of the HP 8510B C system documentation For that reason this manual is divided into the following sections Insert these sections into the HP 8510B C service manual if you do not have the HP 8510B C manual set keep the contents of this manual within this binder Installation operation and instrument characteristics Insert into the HP 6510B C Test Set and Accessories Manual Test Set section Replaceable parts service and replacement procedures Insert into the HP 8510B C Service Manual Operating section HP 8516A S Parameter Test Set Manual 1 1 Instruments Sup
53. esting and servicing operations Before connecting any coaxial cable to an instrument connector for the first time each day momentarily ground the center and outer conductors of the cable Personnel should be grounded with a resistor isolated wrist strap before touching the center pin of any connector and before removing any assembly from the unit Be sure that all instruments are properly earth grounded to prevent a buildup of static charge Table 1 3 lists static safe accessories that can be obtained from Hewlett Packard using the HP part numbers shown HP 8516A S Parameter Test Set Manual 1 11 General Information Operating and Safety Precautions Table 1 3 Static Safe Accessories HP Part Description Number 9300 0797 Set includes static control mat 0 6 m X 1 2 m 2 ft X 4 ft and 4 6 cm 15 ft ground wire The wrist strap and wrist strap cord are not included They must be ordered separately 9300 0980 Wrist strap cord 1 5 m 5 ft 9300 1383 Wrist strap color black stainless steel without cord has four adjustable links and a 7 mm post type connection 9300 1169 ESD heel strap reusable 6 to 12 months Operating Power Do not exceed the front panel operating level power input as noted Level Table 1 4 Maximum Operating Power Level Maximum Operating Power Test Port Level 17 1 13 dBm Port 2 Do not exceed 15 dBm source RF inpu
54. et HP 8516A Ports 1 and 2 are precision 2 4 mm connectors and mate with precision 2 4 mm female connectors 2 4 8515A S Parameter Test Set Manual Installation The TEST SET INTERCONNECT connector is a series D subminiature female connector with seven RF connections It mates with the corresponding male connector The 8510 SYSTEM BUS connector is a female HP IB type connector and mates with the corresponding male connectors of HP IB cables Power and Control Connections Figure 2 3 shows the following connections with the exception of line power and the required RF source connections Connect the power cord to an electrical outlet and the line module to supply power to the test set Connect the test set IF interconnect cable from the J11 TEST SET INTERCONNECT connector on the rear panel of the test set to J1 TEST SET INTERCONNECT connector on the rear panel of the HP 85102 IF Detector Connect the system bus cable from the HP 8516A J12 HP 8510 SYSTEM BUS connector to the HP 8510 INTERCONNECT connector of the HP 85101 display processor The test set IF interconnect cable and the system bus cable transmit control signals between the test set and the network analyzer Connect the source control cable from the HP 834XX source to the J15 TEST SET INTERCONNECT connector on the rear panel of the HP 8516A test set The HP 85164 test set requires a HP 834XX source with firmware revision date 11 MAY 88 or late
55. ger tighten the thumb screw The cable cannot be damaged if the thumb screw is tightened too tightly CORRECT INCORRECT THUMBSCREW COUNTER SUNK HOLE thumbscr_d Aligning the Thumbscrew With the Counter Sink Hole Attaching the second clamp To complete the anti rotation clamp installation repeat the steps above beginning at step 1 to attach the second clamp HP 8516A S Parameter Test Set Manual 3 17 Using the Anti Rotation Clamps 3 Make sure the thumbscrew is aligned with the counter sunk hole in the clamp body Push the clamp toward the test set front panel and then tighten the thumbscrew with your fingers The cable cannot be damaged by tightening the thumbscrew too tightly Refer to Figure 3 6 CORRECT IN THUMBSCREW THUMBSCREW ALIGN THUMBSCREW WITH COUNTER SUNK HOLE DRE v re edere COUNTER SUNK HOLE COUNTER SUNK HOLE Figure 3 6 Aligning the Thumbscrew With the Counter bored Hole 4 Repeatsteps 1 through 6 for the other clamp This completes the anti rotation clamp installation procedure Refer to the installation section of the test set operating and service manual for instructions to replace the internal O ring in the anti rotation clamp 3 18 HP 8516A S Parameter Test Set Manual Specifications Specifications describe the warranted perfo
56. h To install the flanges to rack mount the instrument with or without handles in a standard 19 inch rack refer to Figure 2 2 The recommended rack is the HP 850434 Instructions for rack mounting the test set in a system configuration with the HP 8510 are provided in the HP 8510 Installation section and in the HP 8504 system rack manual When installing the test set for use on a bench place it on a grounded anti static work surface refer to Figure 1 2 on page 1 8 to lessen the chance of ESD damage The anti static surface should extend far enough in front of the test set to provide effective protection for the test ports and cable ends A grounding receptacle is provided on the test set as an alternate grounding point for your wrist strap HP 8515A S Parameter Test Set Manual 2 3 Installation OPTION 908 RACK MOUNT 3 Remove feet before rack mounting WITH HANDLES REMOVED HP Part Number 5061 9677 FRONT OF 1 Remove trim INSTRUMENT Screws and handle 2 Attach rack flange with pan head machine screws TOP OF INSTRUMENT OPTION 913 R f RACK MOUNT KIT FOR 3 Remove feet before rack mounting INSTRUMENTS WITH PREVIOUSLY ATTACHED FRONT HANDLES HP Part Number 5061 9771 FRONT OF 1 Remove trim and screws INSTRUMENT 2 Attach rack flange with pan head machine screws TOP OF INSTRUMENT Figure 2 2 Attaching Rack Mounting Hardware Connecting the Test Mating Connectors S
57. he more precise the measurement will be within the limitations of your system For this reason Hewlett Packard recommends that for precision measurements you recalibrate your system every two hours or at a minimum you re verify your system calibration HP 8516A S Parameter Test Set Manual 1 3 General Information Description of the Instrument Description of the Instrument The HP 85164 test set combined with the HP 8510B C network analyzer and an HP 834XX source provide a system for making S parameter measurements over a 45 MHz to 40 GHz frequency range An example of a test system setup is shown in Figure 1 2 In the standard configuration this system is particularly suited for making measurements on two port devices without having to physically reverse the DUT device under test to measure all four S parameters It is useful for measuring non reciprocal devices or components like transistors amplifiers or isolators where 12 measurements are important The HP 8516A uses two directional couplers for signal separation For measurements of active devices the HP 8516A includes two bias tees for applying external dc bias to both test port center conductors In the High Forward Dynamic Range Configuration Option 003 The Port 2 coupler is reversed to optimize dynamic range in the forward measurement direction The b2 sampler is connected to the coupler main arm path instead of the coupled arm so that the b2 power level
58. he test sets should be operated in temperatures between 0 C and 55 with relative humidity less than 9590 at 40 dry bulb temperature maximum They may be operated at altitudes up to 4 500 meters 15 000 feet The test sets may be stored in temperatures from 40 C to 75 with relative humidity up to 90 at 65 maximum dry bulb temperature and at altitudes up to 15 240 meters 50 000 feet HP 8515A S Parameter Test Set Manual 2 1 Installation Figure 2 1 Accessories Supplied with the HP 8516A Relorenes HP Part Qty Description Designation Number ACCESSORIES 1 8120 1348 1 POWER CORD U S A ONLY 2 08510 60102 1 TEST SET CABLE ASSEMBLY 3 08516 60009 1 CABLE ASSEMBLY RS232 4 8120 3445 1 HP IB CABLE ASSEMBLY 5 08513 60009 1 FLEX SOURCE CABLE 6 8710 1764 1 20 MM TORQUE WRENCH 8 IN LB 7 08515 60003 2 NON ROTATING CLAMP 8 8710 1770 1 1 2 X 9 16 IN OPEN END WRENCH 9 1250 1894 1 ADAPTER MALE TYPE N TO SMA MALE 2 2 HP 8515A S Parameter Test Set Manual Reference Designation HP Part Number Installation 10 08510 10031 08510 10032 Qty Description SPECIFICATION AND PERFORMANCE VERIFICATION SOFTWARE REV A 02 00 2 PROGRAM DISK 1 DATA DISK Positioning the Test Set CAUTION Preparation For Use Typically the test set is placed on a work surface whether it is rack mounted or used on a benc
59. in HARDWARE STACK UP TRANSFORMER METAL SLEEVE RUBBER FLAT HEX NUT INSIDE GROMMET GROMMET WASHER SCREW 3 2 14 HARDWARE STACKUP FAN HEX NUT HEX SCREW 90 INSTRUMENT 2 d 17 CONNECTOR HARDWARE STACK UP REAR PANEL CABLE CONNECTORS Figure 6 7 Detailed Views 6 16 HP 8515A S Parameter Test Set Manual Replaceable Parts 134 P Figure 6 8 Rear View Internal Table 6 6 Rear View Internal Reference HP Part Number Qty Description Designation REAR INTERNAL B1 08513 20031 1 FAN TBAX 34 CFM 115V 50 60 HZ 1 5KVDIEL FL1 9135 0217 1 LINE MODULE FILTERED J10 1251 2197 1 CONNECTOR R amp P 24F J11 1251 2204 1 CONNECTOR R amp P 24M T1 5181 0124 1 POWER TRANSFORMER W43 08516 60006 1 CA ASSY A21 TO REAR PANEL HP 8515A S Parameter Test Set Manual 6 17 Replaceable Parts Table 6 6 Rear View Internal Reference HP Part Number Qty Description Designation 17 08516 00003 1 REAR PANEL 36 08513 00002 1 TRANSFORMER BRACKET 50 5001 3907 2 LINE MODULE RETAINER CLIPS 6 18 HP 8515A S Parameter Test Set Manual Replaceable Parts Reference Designation Figure 6 9 Detailed View Right and Left Table 7 Detailed View Right and Left HP Part Number Description LEFT AND RIGHT SIDES W59 20 22 24 27 29 30 31 85102 60226 1400 0757 2200 0105 2360 0115 0515 1367 5021 5803 5021 5804 5021 5837 1 2 13 62
60. ination of test set to cal set You may also store your hardware state file on a tape or disk for future use To change the configuration recall the appropriate hardware state file The hardware state file does the following sets the address of test set issues the RF switch command then recalls the appropriate instrument state file which recalls the cal set HP 8516A S Parameter Test Set Manual 3 11 Making Operational Checks Making Operational Checks To check the operation of multiple test set configurations do the following 1 7 Connect a device with known response to test set number 1 Press HP 8510 LOCAL TEST SET ADDRESS of TEST SET Enter the address of test set number 1 which is 20 Press x1 The measurement from test set number 1 should appear Press the following keys to store the trace for comparison later DISPLAY DATA gt MEMORY DISPLAY DATA and MEMORY Now use ADDRESS of TEST SET to select test set number 2 then switch back to test set number 1 Observe any difference in the response between the stored trace and the results after switching back and forth between the test sets Repeat the procedure for each of the other test sets Any differences in data that you suspect are due to the IF switch Option 001 or to RF switching must be investigated 3 12 HP 8516A S Parameter Test Set Manual Operation Performance Verification Performance Verifi
61. ing The information in this section is presented as an aid in troubleshooting the HP 8516A test set If you are not certain that the problem with your system is due to a faulty test set read the sections titled Service Overview and Built In Diagnostics in this manual Continue reading this section only if you know the test set is faulty The information consists of procedures for checking The test set temperature Check all connections Power supply regulator fuses switches Test set self test indicators Check VTO Driver LO Nominal programmed source pPower Test set disassembly Unratioed power test The processor on the A4 HP IB board monitors the test set temperature with a comparator on the A3 VTO summing amplifier The temperature sensor is located on the 14 VTO driver assembly If the temperature of the VTO driver exceeds 85 degrees celsius the HP 85101 displays the TEST SET TOO HOT prompt CAUTION TEST SET TOO HOT means turn off the test set now This message is only a prompt It does not turn off the test set Determine the reason for the prompt before subjecting the test set to continuous use Check All Connections Check connections for loose broken crimped etc connections on the Test set rear panel A3 Summing Amp A5 Att SW Driver board cables Sampler cables RF path connections from rear panel to front panel Power holes often result from faulty connections semi rigid coax cables should be torqued t
62. ion Table 3 2 8516A Rear Panel Features RF Input This 3 5 mm connector receives RF energy from the source Connections made to this input must be torqued no more than 10 in Ib J10 Test Set This connector is used only in test sets with Option 001 It allows Interconnect connecting another test set to the Option 001 test set Up to four test sets can be serially connected to the HP 8510 The HP 8510B C system automatically selects the IF output from the chosen test set for processing and display Refer to Controlling Multiple Test Sets in this section for more information J11 Test Set Interconnect This connector transmits the IF signal from the test set to the HP 85102 IF Detector It also transmits control signals bidirectionally HP 8510 System Bus Address Option Switch This five pole binary weighted switch sets the system bus address of the test set The binary weight of each pole is indicated on the rear panel as are the on and off positions Decimal twenty off off on off on from left to right is the default setting J12 8510 System Bus Connector This connector is used for HP IB communications with the HP 85101 display processor Port 2 Bias This female BNC connector is used to supply bias through the center conductor of Port 2 to active devices under test Port 1 Bias This female BNC connector is used to supply bias through the center conductor of Port 1 Port 2 to active devices under
63. loor Miami Florida 33126 U S A 805 267 4245 305 267 4220 305 267 4288 FAX Australia New Zealand Hewlett Packard Australia Ltd 31 41 Joseph Street Blackburn Victoria 3130 Australia 1 800 629 485 Australia 0800 738 378 New Zealand 61 3 9210 5489 FAX Asia Pacific Hewlett Packard Asia Pacific Ltd 17 21 F Shell Tower Times Square 1 Matheson Street Causeway Bay Hong Kong 852 2599 7777 852 2506 9285 FAX vi 8516A S Parameter Test Set Manual CAUTION Instrument Markings Safety and Regulatory Information Review this product and related documentation to familiarize yourself with safety markings and instructions before you operate the instrument This product has been designed and tested in accordance with international standards The WARNING notice denotes a hazard It calls attention to a procedure practice or the like that if not correctly performed or adhered to could result in personal injury Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met The CAUTION notice denotes a hazard It calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met When you see this symbol on your instru
64. mblies Always perform the following steps in order 1 2 3 4 5 6 Ground the work area and yourself to prevent electrostatic damage to the microcircuits Turn the test set OFF Disconnect the power cord Remove the top cover Reverse the following procedures to install parts 3 5 mm and 2 4 mm connections are torqued to 90 N cm 8 in lb Exercise caution when handling semi rigid coax cables They are easily bent 5 8 8516A S Parameter Test Set Manual Equipment Needed But Not Supplied Test Set Troubleshooting Test Set Assembly Replacement Procedures The table below lists all equipment needed for replacing the various assemblies documented in the procedures in this section Use Figure 5 4 to locate all major assemblies in the test set Tools Used With HP Part Number 2 point pozidriv 1 point pozidriv 5 16 inch torque wrench 10 in Ib anti static mat wrist strap clip lead 9 16 inch nut driver 1 2 inch torque wrench 25 in lb 3 5 mm connector gauge connector cleaning kit 1000 20 watt resistor 1 inch torque wrench 72 in lb all components all components all components all components all components capacitors connector repair connector repair connector repair connector repair capacitor removal coupler removal 8710 0900 8710 0899 8710 1655 9300 0797 9300 1257 any supplier 8720 0008 8710 1581 1250 1862 92193Z 0819 0019 MTB 100 72l
65. ment you should refer to the instrument s instruction manual for important information The laser radiation symbol is marked on products that have a laser output 7 This symbol indicates hazardous voltages EN This symbol indicates that the instrument reguires alternating current ac input ce The CE mark is a registered trademark of the European Community If itis accompanied by a year it indicates the year the design was proven The CSA mark is a registered trademark of the Canadian Standards Association HP 8516A S Parameter Test Set Manual vii 15 1 This text indicates that the instrument is an Industrial Scientific and Medical Group 1 Class A product CISPER 11 Clause 4 This symbol indicates that the power line switch is ON This symbol indicates that the power line switch is OFF or in STANDBY position Safety Earth l This is a Safety Class I product provided with a protective earthing Ground terminal An uninterruptible safety earth ground must be provided from the main power source to the product input wiring terminals power cord or supplied power cord set Whenever it is likely that the protection has been impaired the product must be made inoperative and secured against any unintended operation Before Applying Verify that the product is configured to match the available main power Power source as described in the input power configuration instructions in thi
66. move the semi rigid cable connecting the doubler to the switch splitter Remove the three flexible coax cables attached to the switch splitter 2 Unplug the four cables connected to the board and move them out of the way 3 Remove the two screws securing the board to the test sets top deck 4 Pullthe board straight up and remove it from the test set 9 Switch Doubler 1 Unplug all cables attached to the doubler interface board 2 Remove all of the semi rigid cables attached to the Switch Splitter Doubler and Bias Tee on Port 1 3 Remove the seven screws securing the top deck to the main deck of the test set 4 Tilt the top deck assembly out of the test set Be careful not to crimp wire attached to the Bias Tee 5 14 HP 8516A S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures 5 Remove the four screws that attach the doubler to the top deck 6 Liftthe doubler out of the top deck and the test set 10 2 4 mm Test Port Connector 1 Remove the Coupler 2 2 Carefully loosen the nut on the front of the test set with the 1 inch torque wrench Remove the nut and washer 3 Remove the test port connector from the test set 4 Regauge the test port connector assembly after replacement The specification is 0001 to 0007 inch recession If the connector is not within specification do not repair Instead install another conne
67. o 10 in Ib HP 8516A S Parameter Test Set Manual 5 1 Test Set Troubleshooting Check Power Supply Regulator Fuses Switches Check Power Supply Regulator Fuses Switches On the A15 Regulator Board Assembly use a digital voltmeter to check the voltages of Table 5 1 Use an oscilloscope to check ripple if necessary Power Supply Table 5 1 Test Set Power Supply Criteria Nominal Test Point Voltage Range Maximum Voltage Ripple Peak to Peak 14 85 A22TP1 14 10 to 415 60 2mV r14 85 A22TP2 14 10to 15 60 mV 5 05 A22TP3 4 75 to 5 25 2 mV 5 20 A22TP6 4 90 to 5 50 2 mV Fuses The HP 8516A uses seven fuses SeeTable 6 4 and Table 6 5 for the part numbers of these fuses Two fuses are accessible from the front panel and are used to fuse bias supply Four fuses are used on the regulator board One fuse is used in the line module on the rear panel HP IB Address Set the switches as indicated dark side of switch is depressed The HP IB Switches address switch is on the test set rear panel It is easy to access but need not be changed unless the HP 8510 bus error message SYSTEM BUS ADDRESS ERROR is visible on the CRT It is shown in Figure 5 1 EC ii E Figure 5 1 HP IB Switch Setting for All Test Sets 20 Binary 5 2 8516A S Parameter Test Set Manual Test Set Troubleshooting Check Power Supply Regulator Fuses
68. of the HP 85164 test set to 7 mm connector interface m or f HP 85130F Special 2 4 mm to 3 5 mm Adapter Set Used to convert special 2 4 mm ports of the HP 85164 test set to 3 5 mm connector interface m or f HP 85130G Special 2 4 mm to 2 4 mm Adapter Set Used to convert special 2 4 mm ports of the HP 85164 test set to standard 2 4 mm connector interface m or f Functions as test port saver HP 11904S 2 4 mm to K 2 929 Adapter Kit This kit allows you to calibrate your HP 8516A test set using 2 4 mm devices and then change the test ports to K 2 92 and perform fully error corrected measurements Contains 2 2 4 mm to K m adapters and 2 2 4 mm to K f adapters 1 The K factor is developed and manufactured by the Wiltron Company Morgan Hill CA NOTE For more information on other 2 4 mm adapters refer to the Operating Note 2 4 mm Adapters and Calibration Accessories HP part number 11900 90003 Transistor Test Fixture Kit The HP 85041A Transistor Test Fixture Kit TTF is a comprehensive measurement system for testing and characterizing stripline packaged microwave transistors 1 8 HP 8516A S Parameter Test Set Manual General Information Accessories Although it has 7 mm connectors and a frequency range limited to 18 GHz the TTF may be adapted for use with the HP 8516A by using HP 85135C or HP 85135E cables and HP 85130E adapter set Please consult with your local HP Sales Office
69. ported by This Manual General Information How to Use this Manual How to Use this Manual The HP 85154 is designed to operate specifically with the HP 8510B C Network Analyzer Refer to the list below for the location of information in this manual install the instrument go to Chapter 2 Installation check for proper operation of the test set go to Chapter 3 Test Set Operation and review Performing the Operator s Check on page 3 5 find the specifications refer to Specifications in the HP 8510B C System Manual See Chapter 4 in this manual for operating characteristics of the test set To verify that the instrument meets its published specifications refer to Performance Tests in the HP 8510B C System Manual troubleshoot the test set refer to Service Overview and the Test Set Troubleshooting section of the HP 8510B C Service Manua Otherwise call a Hewlett Packard sales and service office Phone numbers and addresses for the offices are listed in the front section under Service and Support on page vi A label imprinted with a two part serial number is attached to the rear panel of the test set The first part is the serial number prefix and the second part is the suffix See The two parts of the serial number contain the following information The prefix includes the first four digits of the serial number plus the letter The contents of this manual apply directly to
70. provides a duplicate test set manual Option 913 This option supplies the test set with the parts required to rack mount it with handles Refer to the Installation section of this manual for additional information HP 8516A S Parameter Test Set Manual 1 5 Accessories Supplied Accessories Available NOTE Accessory Type Table 1 2 General Information Accessories Accessories The accessories supplied with the HP 8516 including part numbers are listed in the Installation and Replaceable Parts sections of this manual Test set accessories include calibration and verification kits as well as cables and adapters to use while making measurements Additional HP 8510B C system accessory information is located in the HP 8510B C manual set The calibration kits suitable for calibrating an HP 8510 85164 system when making error corrected measurements are listed in Table 1 2 Each calibration kit includes a set of precision standards to calibrate an HP 8510B C system in the interface indicated For additional information review the System and Documentation Overview section of the 8510B C System Manual 8516 Test Set Accessories Accessory Model Number Contents or Description Calibration and Verification Kits HP 85056A 2 4 mm Calibration Kit This kit contains open and short circuits fixed and 2 sliding loads 2 4 mm to 2 4 mm adapters connector tools and gauges for 2 4 mm connectors
71. r to operate You may not use a HP 8350B sweep oscillator or any other source The HP 8510 must have firmware revision 4 0 or higher Refer to Instrument Compatibility on page 1 3 for more information Signal Path Connections The IF signals from the test set are transmitted to the HP 85102 IF detector by the test set IF interconnect cable see above RF signals are transmitted from the source to the test set by the 3 5 mm flexible RF cable supplied with the test set Anti Rotation Clamps Use these clamps to stabilize the test port RF cable connection Connect the test port cables to the test ports and tighten them as specified in the cable manual Loosen the anti rotation clamp thumbscrew sufficiently to slip the clamp over the cable and up to the front panel The clamp end with the flats HP 8515A S Parameter Test Set Manual 2 5 Installation should come to rest on the flats of the test port shoulder Finger tighten the thumbscrews to prevent further loosening or tightening of the test port RF cable connection The internal O ring HP Part Number 0900 0007 is field replaceable without disassembling the anti rotation clamp Pry it out with fine tweezers or a similar tool when it no longer holds the RF cable securely Insert the new O ring by engaging one side of it in the slot of the phenolic clamp donut Use your fingers to push the O ring into the rest of the slot 8518 INTERCONNECT 415 SOURCE CONTROL 8
72. rmance of the instrument The electrical specifications of the test set used with an HP 8510 network analyzer are defined in the HP 8510B C On Site Service Manual Mechanical Specifications Table 4 1 Mechanical Specifications Test Ports Description Specification NMD 2 4 mm connector center pin 0 00256 mm to 0 0127 mm recession 40 0001 in to 0 0005 in Refer to the calibration kit manual for instructions about measuring pin depth with the gage HP 8517B S Parameter Test Set Manual 4 1 Specifications Supplemental Characteristics Supplemental characteristics listed in Table 4 2 provide useful information by giving typical but non warranted performance parameters Table 4 2 HP 8516 Characteristics Test Ports Front Panel RF Connectors Rear Panel Connector type precision 2 4 mm male Connector type precision 3 5 mm female Connector torque 8 in lb maximum Connector torque 8 in lbs maximum Impedance 50 ohms nominal Damage input level 15 dBm DC bias 500 mA 40 Vdc maximum User 1 power levels for reference channel phase lock Damage input level Minimum 45 dBm Port 1 17 dBm CW RF Maximum 10 dBm Port 2 13 dBm CW RF Nominal connector nut size 8 mm Nominal operating power level Recommended torque Operating Level Port 1 Port 2 Precision 3 5 mm 90 8 in Ib Standard 10 dBm 5 dBm 10 dBm 5 dBm SMA 56 5 in lb Option 003 10 dBm 5 dBm 25 dBm
73. rmance parameters for the HP in 8510B C 8516A are listed in the Specifications section Table 4 1 on page 4 1 They are the typical or nominal characteristics of the HP 8510B C 8516A HP 8516A S Parameter Test Set Manual 1 13 Operation and Storage Installation Installation This section explains how to install the HP 85164 test set The topics covered include initial inspection environmental considerations positioning and connecting the test set for use and packaging the instrument Refer to the Installation section of the HP 8510 manual for more complete system connection and turn on instructions Initial Inspection Inspect the shipping container including cushioning material for damage If it is damaged keep it until you have checked the contents for completeness The contents are listed and illustrated in Figure 2 1 If the shipping container is damaged perform the performance tests outlined in the HP 8510 manual set If the test set fails the performance tests or is damaged or defective keep the shipping materials and notify both the carrier and the nearest Hewleft Packard office The HP office will arrange for repair or replacement of the test set without waiting for settlement of the claim If any of the following accessories are not received with the test set notify your nearest HP office and the missing parts will be sent to you Environmental Considerations To perform within specifications t
74. s manual If this product is to be powered by autotransformer make sure the common terminal is connected to the neutral grounded side of the ac power supply viii HP 8516A S Parameter Test Set Manual Italics Instrument Display Keycap Softkey User Entry Path Name Computer Display Typeface Conventions Not all of the following conventions may appear within this manual however refer to this listing whenever you encounter on of the special font characters Used to emphasize important information Use this software only with the HP 8516A Test Set Used for the title of a publication Refer to the HP 8516A S Parameter Test Set Manual Used to indicate a variable Type LOAD BIN filename Used to show on screen prompts and messages that you will see on the display of an instrument The HP 8516A will display the message CAL1 SAVED Used for labeled keys on the front panel of an instrument or on a computer keyboard Press Return e Used for simulated keys that appear on an instrument display Press Prior Menu Used to indicate text that you will enter using the computer keyboard text shown in this typeface must be typed exactly as printed Type LOAD PARMFILE Used for examples of programming code endif ifndef NO CLASS Used for a subdirectory name or file path Edit the file usr local bin sample txt e Used to show messages prompts and window labels that appear on a comput
75. t or by a power level input greater than 15 dBm 5 6 8516A S Parameter Test Set Manual CAUTION Test Set Troubleshooting Test Set Assembly Replacement Procedures Test Set Assembly Replacement Procedures This section contains replacement procedures for the HP 8516A test set that are more difficult to replace The procedures are numbered as shown below 1 2 3 4 5 6 7 8 9 10 11 12 Bias tee Coupler Switch splitter Frequency converter Regulator board assembly Capacitor 3 5 mm RF connectors Switch Doubler interface board Switch Doubler 2 4 mm Test Port connector Fan Power Transformer Electrostatic discharge ESD can damage or destroy electronic components All work on electronic assemblies should be performed at a static safe workstation Refer to Operating and Safety Precautions on page 1 8 for more information on preventing ESD Figure 5 3 shows an example of and ESD workstation HP 8516A S Parameter Test Set Manual 5 7 Test Set Troubleshooting Test Set Assembly Replacement Procedures Building Ground Building Ground Resistor Heel Strap Floor Mat Figure 5 3 Example of ESD Safe Workstation The assemblies handled in this procedure are very sensitive to damage by static electricity They may or may not continue to function if subjected to an electrostatic discharge In any case an electrostatic discharge will impair the reliability of these asse
76. t level into the test set and under no circumstances ever apply a DC level to the source RF input of the test set Do not torque anything to the test port connector with greater than 90 N cm 8 in Ib of torque The wrench supplied with your accessory kit 15 calibrated to 90 N cm 8 in Ib Do not torque anything to the source RF input on the back of your test set with greater than 90 N cm 8 in Ib of torque Service The voltages in this test set warrant normal caution for operator safety Nevertheless service should be performed only by qualified personnel Service strategy troubleshooting procedures replaceable parts and similar information for the HP 85164 test set is in this manual or the HP 8510B C Service Manual 1 12 HP 8516A S Parameter Test Set Manual General Information Operating and Safety Precautions Additional Equipment Required Additional equipment and accessories required for use with the HP 8516A test set may be found in Table 4 4 on page 4 3 The table notes which items are required to verify the performance of the test sets and which are required to operate them Other equipment may be substituted if its specifications meet or exceed the specifications listed in the critical specifications column Specifications The specifications of the HP 8516A test set with an HP 8510B C network analyzer are defined in the Specifications section of the HP 8510B C System Manual Characteristics The perfo
77. test J15 Source This RS 232 connector is used by the HP 834XX source to Control control the HP 8516 test set Switch Doubler HP 8516A S Parameter Test Set Manual 3 3 Controlling Multiple Test Sets HP 851X Series Option 001 test sets allow an HP 8510B C to alternately control up to four test sets connected to it For example While a measurement is underway on test set number 1 equipped with Option 001 a test device can be connected to test set number 2 which does not need Option 001 When the measurement test set number 1 has completed network analyzer can then control test set number 2 In a standard test set the 20 MHz IF and control signals are applied directly to J11 TEST SET INTERCONNECT which is attached to HP 8510B C Option 001 adds a set of IF switches control switches and the J10 TEST SET INTERCONNECT attachment This configuration allows the selection of the 20 MHz test set IF signals As shown in Figure 3 3 on page 3 4 test set number 1 can apply its IF signal to the HP 8510B C or it can switch to pass the IF signal from test set number 2 through J10 TEST SET INTERCONNECT and into the network analyzer 3 4 8516A S Parameter Test Set Manual 85 19 NETWORK ANALYZER
78. test sets with the same serial number prefix as the one s on the title page The suffix includes the last five digits of the serial number which is sequential and unique to each test set You will need this part of the number to report test set problems to an HP sales and service engineer If your test set s serial number prefix is not listed on the title page of this manual your instrument differs from those that are documented here HEWLETT Z PACKARD 2 50A00827 MADE IN USA 1G b PREFIX SUFFIX SERIAL SERIAL NUMBER Figure 1 1 Serial Number Label Example 1 2 HP 8516A S Parameter Test Set Manual General Information How to Use this Manual Instrument The HP 8516 is compatible with HP 8510B C Network Analyzers with Comp atibility firmware revision B 04 0X and higher and HP 8340A B or HP 8341A B synthesizers with firmware revision 11 MAY 88 and later Additionally your HP 8340A B or HP 8341A B synthesizers must have a serial number prefix of 2812A or higher If your network analyzer and or HP 834XX source do not fulfill the above conditions it is necessary to upgrade your system to work with the HP 8516A Consult with your Hewlett Packard representative for more information Measurement Any precision measurement is no better than the calibration of your network Accuracy analyzer As a general rule the shorter the time between a calibration and the measurement of a device under test DUT t
79. ting a Test Set Operation Multiple Test Set Connections Multiple Test Set Connections For dual test set configurations set each rear panel address switch on the test sets to the address shown in Figure 3 3 Refer to Figure 3 4 on page 3 7 for configuration of two or more test sets Use the supplied test set interconnect cable to attach test set number 1 J11 to the network analyzer Use the supplied test set interconnect cable to attach test set number 2 J11 to test set number 1 110 You may continue connecting up to four test sets in series this way if the total length of all test set interconnect cables does not exceed 13 meters about 40 feet The last test set connected in the chain does not require Option 001 If an RF coaxial switch is not incorporated into the system the RF input to the test set must be manually switched to the active test set At power up configure the IF switches so that only one system test set is active The following procedure shows how to make one test set active 1 Check the LEDs of all system test sets They should all be lit 2 Check the network analyzer s test set address by pressing the front panel button LOCAL then TEST SET The address displayed needs to match the address of the test set selected If not correct the address setting on the network analyzer The instructions are in Table 3 4 on page 3 6 3 If unselected test set LEDs are on deactivate the unwanted test set
80. v screws before sending the frequency converter in for repair 5 Regulator Board Assembly 1 Unplug the transformer socket from the regulator board 2 Remove the three mounting screws from the top edge of the regulator board 3 Remove the regulator board It may be necessary to partially back out one of the transformer mounting screws for clearance 5 12 HP 8516A S Parameter Test Set Manual Disassembly Test Set Troubleshooting Test Set Assembly Replacement Procedures 6 Filter Capacitors 1 Setthe test set rightside up and pull the metal and plastic cover off the capacitors 2 Turn the test set upside down and remove the bottom cover 3 Discharge each capacitor by attaching one end of an insulted clip lead to the chassis of the instrument and the other end of the clip lead to the 1000 20 watt resistor Use this resistor to discharge each capacitor terminal large pozidriv screw on the bottom side of test set Each capacitor has two 2 terminals Discharge each capacitor terminal It will take approximately six seconds per capacitor to discharge 4 Toremove a capacitor remove the corresponding pair of screws and pull the capacitor out of the test set 7 3 5 mm RF Input Connector Repair Refer to Figure 5 5 and the following text to repair 3 5 mm connectors 9 18 in LOCK BULKHEAD PIN AND BEAD GOLD NOSE NUT WASHER CONNECTOR ASSEMBLY CONNECTOR INSTRUMENT WRENCH PANEL FLAT 1 2 In Figure 5 5 Exploded
81. y cables Use a small pozi driv screwdriver to remove the screw and lockwasher securing the green yellow fan ground wire to the top of the rear panel frame Use a small pozi driv screwdriver to remove the four screws holding fan B1 to the rear panel and remove the fan 12 T1 Power Transformer Turn the test set OFF and disconnect the power cord from the mains Electrocution can result if power is not removed from the test set prior to this procedure 1 2 Turn the test set on its right hand side Use a 5 16 inch open end wrench to remove the hardline cable connected between coupler A7 and bulkhead connector J2 Unplug the transformer connector mating with connector J2 on the A15 regulator board assembly Use a large pozi driv screwdriver to remove four screws and washers holding transformer T1 onto the rear panel Use a large pozi driv screwdriver to remove the one screw holding the transformer angle bracket to the main deck Carefully remove the transformer from the test set and put it on the bench close to the test set The transformer wires soldered to line module are short so do not pull on the transformer too much Strip the heat shrink tubing off of the transformer wires soldered to line module FL1 and unsolder them Unsolder the transformer ground wire connected to the chassis side rail 5 16 8516 S Parameter Test Set Manual Test Set Troubleshooting Test Set Assembly Replacement Procedures

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Errata Title & Document Type: 8516A S