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Wiltron 67 B Series Maintenance Manual

Swept frequency synthesizer
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Table of Contents

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SERIES
67XXB
SWEPT FREQUENCY SYNTHESIZER
MAINTENANCE MANUAL
TEL (408) 778-2000 •TELEX 28 5 227 WIL T R O N MH •F A X 4 08-778-023 9
PIN: 10370-10242
REVISION: A
PRINTED: FEBRUARY 1990
COPYRIGHT 1990 WIL TRON CO.

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Summary of Contents for Wiltron 67 B Series

  • Page 1 SERIES 67XXB SWEPT FREQUENCY SYNTHESIZER MAINTENANCE MANUAL TEL (408) 778-2000 •TELEX 28 5 227 WIL T R O N MH •F A X 4 08-778-023 9 PIN: 10370-10242 REVISION: A PRINTED: FEBRUARY 1990 COPYRIGHT 1990 WIL TRON CO.
  • Page 2 LIMITATION OF WARRANTY The foregoing warranty does not apply to WILTRON connectors that have failed due to normal wear. Also, the warranty does not apply to defects resulting from improper or inadequate main­ tenance by the Buyer, unauthorized modification or misuse, or operation outside of the environmen­...
  • Page 4 I II II I Postage Stamp Necessary Mailed in the United States BUSINESS REPLY MAIL First Class Permit No. ·2, Morgan Hill, CA WIL TRON Company 490 Jarvis Drive Morgan Hill, CA 95037-2809...
  • Page 5 TABLE CONTENTS Tab I Section Title GENERAL INFORMATION Section 1 contains a general description of the WIL TRON Series 67XXB Swept Frequency Synthesizer, its identification number, related manuals, and options. Information is included concerning level of maintenance, replaceable subassemblies and components, exchange assembly program, preventive maintenance, firmware, and schematics.

  • Page 6: Table Of Contents

    SECTION I GENERAL INFORMATION CONTENTS Title Paragraph Page SCOPE OF THE MANUAL ..... . . 1-3 INTRODUCTION ......1-3 DESCRIPTION .
  • Page 7 �:::;i- �-� .�- • Fipre Typical Series Swept Frequency Synthesizer 1-1. 67XXB 1 -2 67XXB M M...

  • Page 8: Scope Of The Manual

    67728 40.0 to 60.0 OdBm All WILTRON instruments are assigned a unique Op ti onal att enuato rs redu c e rated p owe r by 3 to 4 dB. six-digit ID number, such as "405001." Each 67XXB has two ID numbers assigned - one for the basic Please use it when ordering parts or corresponding frame and one for the RF microwave deck.

  • Page 9: Options

    (OM). general, installation, and operation information for having an upper frequency limit of GHz. 26.5 models. The part number for 67XXB WILTRON the OM is Step Attenuator. Each 10370-10202. Option 110 dB synthesizer comes supplied with a dB Step Test and Calibration Manual CT&C). The T&C Attenuator installed.
  • Page 12 SECTION 1·GENERAL INFORMATION REPLACEABLE SUBASSEMBLIES AND PARTS Table Replaceable Subassemblies and RF Components 1-3. SUBASSEMBLY OR WILTRON SUBASSEMBLY OR WILTRON PART NAME PART NUMBER PART NAME PART NUMBER Printed Circuit Board Assemblies Control Modulators A 1, A2 Front Panel Assy...

  • Page 13: Recommended Test Equipment

    RECOMMENDED TEST EQUIPMENT SECTION 1-GENERAL INFORMA T/ON Table 1-4. Recommended Test Equipment Maintenance Troubleshooting CRITICAL RECOMMENDED SPECIFICATION MANUFACTURER/MODEL INSTRUMENT Spectrum Analyzer, Frequency: 0.01 to 60 GHz Tektronix, Model 494P, with with Resolution: 1 O Hz External Mixers: Diplexer and WM 490K (18 to 26.5 GHz) External Mixers WM 490A (26.5 to GHz)
  • Page 14 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS Paragraph Description Page 2-SYSTEM DESCRIPTION AND TROUBLESHOOTING INTRODUCTION ....2-11 INSTRUMENT MECHANICAL LAY OUT ..2-1 1 CIRCUIT SUBSY STEMS ...
  • Page 15 SECTION 2 SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 2A-POWER SUPPLY 2A-1 POWER SUPPLY ASSEMBLIES: A22, A25, AND PART OF A2S PCBs ..2A-1 2A-2 POWER SUPPLY ASSEMBLIES, OVERALL DESCRIPTION ..2A-1 2A-3 POWER SUPPLY ASSEMBLIES, DETAILED DESCRIPTION .
  • Page 16 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING (CONTENTS (Continued Para.iraph Description Page 2C-FRONT PANEL 2C-l FRONT PANEL ASSEMBLIES: Al and A2 PCBs .... 2C-l 2C-2 FRONT PANEL ASSEMBLIES, OVERALL DESCRIPTION ..2C-l 2C-2 . l Al Front Panel PCB, General Descripton ..
  • Page 17 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 2D-INPUTS/OUTPUTS 2 D -1 INPUTS/OUTPUTS ASSEMBLIES: A27 and A2 9 PCBs 2 D-1 2 D -2 INPUTS/OUTPUTS ASSEMBLIES , OVERALL DESCRIPTION ..2 D-1 2 D -3 A27 AUXILLARY VO PCB , DETAILED CIRCUIT DESCRIPI'ION ..
  • Page 18 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 2F-COARSE LOOP 2F-1 COARSE LOOP ASSEMBLIES: A3 , A4 , AND A6 PCBs ....2F-1 2F-2 COARSE LOOP ASSEMBLIES, OVERALL DESCRIPTION ... 2F-1 2F-3 A3 COARSE LOOP M IXER, DETAILED CIRCUIT DESCRIPTION ..

  • Page 19: 2H- 1 Introduction

    SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 2H-YIG LOOP/FM 2H- 1 INTRODUCTION 2H- 1 2H-1. 1 Y IG Loop/FM Subsystem Overall Functional Description 2H- 1 2H-2 A 12 Y IG PHASE DETECTOR PCB CIRCUIT DESCRIPTION ..2H-3 2H-2.
  • Page 20 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 21-ANALOG INSTRUCTION 21-1 ANALOG INSTRUCTION ASSEMBLY: A17 PCB 21-1 21-2 ANALOG INSTRUCTION ASSEMBLY, OVERALL DESCRIPTION ..21-1 21-3 Al 7 ANALOG INSTRUCTION, DETAILED CIRCUIT DESCRIPTION ..21-2 21-3.1 Microprocessor Bus Interface and Internal Data Bus .
  • Page 21 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 2K-ALC/PULSE MODULATION 2 K -1 ALC (AUTOMATIC LEVEL CONTROL) AND PULSE MODULATION PCBs AND ASSEMBLIES 2 K -1 2 K - 1 . 1 Overview of ALC Loop Operation ..2 K -1 2 K -2 A 15 ALC PCB Functional Description...
  • Page 22 SECTION SYSTEM DESCRIPTION AND TROUBLESHOOTING CONTENTS (Continued) Paragraph Description Page 2L-RF MICROWAVE DECK 2 L- 1 RF MICROWAVE DEC K ASSEMBLY .. 2 L- 1 2L-2 RF MICROWAVE DEC K ASSEMBLY , OVERALL DESCRIPTION .....

  • Page 24: Circuit Subsystems

    SECTION 2-SYSTEM DESCRIPTION CIRCUIT SUBSYSTEMS AND TROUBLESHOOTING ler, are provided by the A24 GPIB PCB. Refer to Fine Loop - provides the fine tuning frequencies • for the YIG Loop. It consists of the A9 Fine Loop Section 2B-Digital Control for circuit descriptions, block diagrams, PCB parts locator diagrams, and Oscillator PCB and the All Fine Loop Divider schematics.

  • Page 25: 2-3.9 Rf Microwave Deck

    SECTION 2·SYSTEM DESCRIPTION AND TROUBLESHOOTING FREQUENCY SYNTHESIS CIRCUITS, FUNCTIONAL DESCRIPTION PCB. Refer to Section 2K-ALC/Pulse for circuit coverage (Figure 2-1). Only one YIG-tuned oscillator descriptions, block diagrams, PCB parts locator is active at any given time. Refer to Table 2L-2 (in diagrams, and schematics.

  • Page 26: Frequency Sy Nthesis Circuits, Functional Description 2-1

    SECTION 2-SYSTEM DESCRIPTION FREQUENCY SYNTHESIS CIRCUITS, FUNCTIONAL DESCRIPTION AND TROUBLESHOOT/NG REFERENCE BUFFER 200 ·321 MHz ············· 490 MHz • L �� � PULSE GENERATOR ······-······ AM :�--"•� • ... Synthesis, Figure Block Diagram of Frequency ALC, and Modulation Circuits 2-2. resulting harmonic steps may be as large as 12.1 desired operating frequencies.

  • Page 27: Rf Outputs 0.0 1 To 60 Ghz

    SECTION 2-SYSTEM DESCRIPTION AND TROUBLESHOOT/NG FREQUENCY SYNTHESIS CIRCUITS, FUNCTIONAL DESCRIPTION RF output frequencies of 0.01 to 2. 0 GHz (Band O) to the YIG loop phase detector. This signal is derived by dividing the fine-loop oscillator signal by a factor are developed by downconverting the fundamental of 10.

  • Page 28: Alc And Modulation Circuits, Functional Description

    SECTION 2-SYSTEM DESCRIPTION ALC AND MODULATION CIRCUITS, FUNCTIONAL DESCRIPTION AND TROUBLESHOOTING Broadband analog sweeps (�50 MHz wide) of the shaper/driver circuits located on the A29 PCB. The YIG-tuned oscillator RF output are accomplished by resulting PIN driver current output causes the PIN applying appropriate sweep ramp signals generated level control d i odes, loca ted in the Control by the Al 7 Analog Instruction PCB to the YIG-tuned...

  • Page 29: 2-5.2 A13 Pulse Generator Pcb Operation

    SECTION 2-SYSTEM DESCRIPTION ANO TROUBLESHOOTING 2-5.2 Pulse Generator PCB Operation AM Modulation The A13 PCB provides the internal pulse generating To provide modulation of the output sig­ function for the synthesizer and interfaces the exter­ nal, the external modulation signal from the nal pulse signal source to the pulse generation and front or rear panel inputs is summed with the PIN driver circuits in the external modes.
  • Page 30 (2C, 20, 2M) (20, 2M) REAR PANEL FRONT PANEL Power Outputs Input BNC Connectors ··--------- BNC Inputs Coaxlal Sl!Jlal Path P/OA2PCB ToA15ALC PCB EXT LEVEL Used (Via A28 Motherboa rd PCB) __________ _ LINE FILTER PULSE GATE/ • PULSE /TRIG �-- --- +:():-+-- --- --·ToA S1 ..
  • Page 31 SECTION 2-SYSTEM DES CRIPTION TYPICAL OVERALL BLOCK DIAGRAM AND TROUBLESHOOTING REFERENCE LOOP (2E) ���:.��UT A7 �'iv":=D�NCE 10 MHZID A13 DIVI D ER (Con,nued PULSE GENERATOR PCB Shee12) Phaoe SOO MHz Enor MHz m 10 llHz Oownconv.ter CRYSTAL OSCILLATOR �-Oven) 500 MHz COARSE COARSE LOOP OSCI L LATOR...
  • Page 32 SECTION 2-SYSTEM DESCRIPTION AND TROUBLESHOOTING (2H) VIG LOOP A31 POWER AMP/ (Continued MULTIPLIER fromSheet 1 ) FREQUENCY MODULATION (2H) A17ANALOG INSTRUCTION ANALOG (21) INSTRUCTION Switched RIW ToSa,,..MJ X RF OUTPUT MUX 67XXB M M...
  • Page 33 TYPICAL OVERALL BLOCK DIAGRAM RFOUlPUT llUX PIN SWITCH � 211 . 5 GHz Models EXT AM Front PaMI BNC Figure 2-1. Typical 67XXB Swept Frequency Syn­ thesizer, Block Diagram Showing Bands Through 4 2 of 2) (Sheet 2-19...
  • Page 34 ,---- EXTERNAL (FROM FRONT' REAR PANEL) ALC SLOPE FROM A29PCB FROM MAIN MICRO PROCESSOR: PAO- PA2, LPA 17 DO- D7 BAN D ODET BAND 1-4 DET...
  • Page 35 SECTION 2- SYSTEM DESCRIPTION BLOCK DIAGRAM OF ALC/MODULATION CIRCUITS AND TROUBLESHOOTING CONTROL SERIAL DATA FROM AB PCB CONTROL MODULATOR DRIVER(S) " FROM FRONT AND REAR PANELS Figure 2-3 Overall Block Diagram of ALC and Modulation Circuits 2-20 67XXB MM...

  • Page 36: System Troubleshooting

    This table makes reference to the circuit descrip­ ment. Contact the WILTRON Customer tions, block diagrams, and schematics located in the Service department at (408) 778-2000 for various subsystem sections of the manual.
  • Page 37 SECTION 2-SYSTEM DESCRIPTION AND TROUBLESHOOTING HIDDEN-KEY ROUTINES Table 2·2. Descriptions of Hidden-Key Routines Useful in Maintenance Troubleshooting of 6) cShlfb TRIGGER Code Function Enables the security function that turns off the FREQUENCY and MODULATION displays. is disabled by a reset. Enables the security function that turns off all of the front panel displays.
  • Page 38 SECTION 2-SYSTEM DESCRIPTION HIDDEN-KEY ROUTINES AND TROUBLESHOOTING Table 2·2. Descriptions of Hidden-Key Routines Useful in Maintenance Troubleshooting (2 of <Shift> TRIGGER Code Function Executes the A 17 Analog Instruction PCB test that is part of self test. Displays any failures as error codes in the FREQUENCY display window and outputs a pass/fail message thru the GPIB.
  • Page 39 SECTION 2·SYSTEM DESCRIPTION AND TROUBLESHOOTING HIDDEN-KEY ROUTINES Table 2·2. Descriptions of Hidden-Key Routines Useful in Maintenance Troubleshooting of 6) cShlfb TRIGGER Code Function Turns on the internally-gated pulse modulation mode of operation. Turns off the internally-gated pulse modulation mode of operation. Sets the ALC loop to the fixed gain (unleveled) mode.
  • Page 40 SECTION 2-SYSTEM DESCRIPTION HIDDEN-KEY ROUTINES AND TROUBLESHOOT/NG Table 2-2. Descriptions of Hidden-Key Routines Useful in Maintenance Troubleshooting cShlft> TRIGGER Function Code Generates memory checksum for the PCB EEPROMs. Must done anytime calibration of the in- strument is performed to eliminate checksum errors. Zeros out the AM meter calibration.
  • Page 41 SECTION 2·SYSTEM DESCRIPTION AND TROUBLESHOOT/NG HIDDEN·KEY ROUTINES Table 2-2. Descriptions of Hidden-Key Routines Useful in Maintenance Troubleshooting of 6) cShlfb TRIGGER Code Function Clears the A dwell strobe. Enables the A dwell strobe. Disables the A dwell strobe. Disable all the VIG-tuned oscillators. Enable the CS band VIG-tuned oscillator.
  • Page 42 SECTION 2-SYSTEM DESCRIPTION HIDDEN-KEY ROUTINES AND TROUBLESHOOTING Table 2-2. Descriptions of Hidden-Key Routines Useful in Maintenance Troubleshooting cShlft> TRIGGER Code Function 79 1 Sweeps the A 17 Tuning DAC in 100 step increments. Sweeps the A 17 Sweep Width DAC in 100 step increments. Sweeps the A 17 Tuning and Sweep Width DACs at the same time.
  • Page 43 SECTION 2-SYSTEM DESCRIPTION AND TROUBLESHOOTING TROUBLESHOOTING Table Turn 2-3. Troubleshooting On, Unusual Shutdown, and Locked Up Front Panel Problems (1 of Trouble Indication Troubleshooting Procedure Synthesizer does not­ Check both line fuses on rear panel. power up, STANDBY light is OFF. the line fuses are good, check A22TP11 for +24V.
  • Page 44 SECTION 2·SYSTEM DESCRIPTION TROUBLESHOOTING AND TROUBLESHOOTING Table 2·3. Troubleshooting Turn On, Unusual Shutdown, and Locked Up Front Panel Problems (2 of 2) Trouble Indication Troubleshootlng Procedure Synthesizer operates Indicates the 67XXB synthesizer has reached an excessive operating temperature. for some time, then shuts down If fan is still operating, clean air filter .
  • Page 45 This is a routine calibration. Contact the probable cause is the A4 PCB WILTRON Customer Service Department at (408) 778-2000 for Tuning Amplifier. assistance in this calibration. Refer to Section-2E Reference Reference Loop Tests Loop for circuit descriptions, block diagrams, and schematics.
  • Page 46 SECTION 2-SYSTEM DESCRIPTION ERROR CODES AND TROUBLESHOOT/NG Table 2-4. Summary of Error Codes with Probable Causes (2 of10) Error Code Description Remarks/Possible Problem Area Phase-Lock Error - Test checks whether the A5 Reference ES-10 Oscillator is locked. If unlocked, the E5-11 and E5-12 tests are run. If locked, they are bypassed.
  • Page 47 SECTION 2-SYSTEM DEXCR/PTION AND TROUBLESHOOT/NG ERROR CODES Table 2-4. Summary of Error Codes and Probable Causes Error Code Description Remarks/Possible Problem Area A 12 YJG Loop Tests Refer to Section 2H-YIG Loop/FM Modulation for circuit descriptions, block diagrams, and schematics. NOTE The E4-, ES-, and E9-series tests must have been successfully completed before these tests will be...
  • Page 48 SECTION 2-SYSTEM DESCRIPTION ERROR CODES AND TROUBLESHOOT/NG Table 2-4. Summary of Error Codes with Probable Causes (4 of10) Error Code Description Remarks/Possible Problem Area -1 OV Reference Error The A 15 PCB OV reference E15-15 supply is inoperative: A 1 5VR1 or A15U14C E15-16 + 1 OV Ref Error...
  • Page 49 SECTION 2-SYSTEM DEXCRIPTION AND TROUBLESHOOTING ERROR CODES Table 2-4. Summay of Error Codes with Probable Causes Error Code Description Remarks/Posslble Problem Area Refer to Section 2H-YIG Loop/FM A16 FM tests Modulation for circuit descriptions, block diagrams, and schematics. E16-10 Error The FM peak detector on A 16 is inoperative: A 16U28 The Phase Modulation Peak Detec­...
  • Page 50 SECTION 2-SYSTEM DESCRIPTION ERROR CODES AND TROUBLESHOOTING Table 2-4. Summary of Error Codes with Probable Causes Error Code Description Remarks/Posslble Problem Area DVM Error, Tune DAG Sweep Linearity problem in the Tune DAG. E17-23 DVM Error, Tune DAG Gain .. 4 E17-24 The switch for gain=4 is defective: A17U41A.
  • Page 51 SECTION 2·SYSTEM DEXCRIPTION AND TROUBLESHOOTING ERROR CODES Table 2-4. Summary of Error Codes with Probable Cause Error Code Description Remarks/Possible Problem Area Refer to Section 2L-Microwave RF tests Deck for circuit descriptions, block diagrams, and schematics. NOTE The following error codes indicate a problem on the RF microwave deck.
  • Page 52 SECTION 2-SYSTEM DESCRIPTION ERROR CODES AND TROUBLESHOOTING Table 2-4. Summary of Error Codes with Probable Causes Error Code Description Remarks/Possible Problem Area FM Path Error, Band The FM driver on A20 is defective. E20-33 Unleveled Error, Band 4 E21-41 The Band 4 Control Modulator or driver is defective.
  • Page 53 SECTION 2·SYSTEM DEXCRIPTION AND TROUBLESHOOTING ERROR CODES Table 2-4. Summary of Error Codes Probable Causes with Error Code Description Remarks/Possible Problem Area E22-27 15V FM Error There is no output from this supply located on the A22 PCB. E22-28 15V (A) Error There is no output from this supply located on the A22 PCB.
  • Page 54 SECTION 2-SYSTEM DESCRIPTION ERROR CODES AND TROUBLESHOOTING Table 2-4. Summary of Error Codes with Probable Causes Error Code Remarks/Possible Problem Area Description Refer to Section 28-Digital Control A24 GPIB Tests for circuit descript ions, block diagrams, and schematics. GPIB no response or A24 not installed E24-0 Check-Sum Error in the GPIB RAM Replace A24U 11.

  • Page 55: Power Supply

    2A-POWER SUPPLY: A22, A25, A26, 2A-2 POWER SUPPLY ASSEMBLIES, AND PART OF A28 PCBS OVERALL DESCRIPTION The PCBs and other assemblies that comprise the synthesizer power supply subsystem include the A22 Regulator Interface PCB, the A25 Switching Power 2A·l POWER SUPPLY ASSEMBLIES: A22, Supply PCB, the A26 Line Filter, and parts of the A25, PART OF A28 PCBs...

  • Page 56: Power Supply Assemblies, Detailed Description

    POWER SUPPLY ASSEMBLIES, DETAILED DESCRIPTION 2A POWER SUPPLY 2A-3 2A-3.2 A28 POWER SUPPLY ASSEMBLIES, Motherboard PCB Power Supply DETAILED DESCRIPTION Circuits, Detailed Circuit Description The power supply circuits that are located on the During this description, refer to Figure 2A-1 and to A28 Motherboard PCB are described below;...
  • Page 57 2A POWER SUPPLY PART OF REAR PANEL PART OF A28 PCB RECTIAER/ !>---D DOUBLER LINE LINE VOLT AGE SWITCH SELECTOR RELAY SWITCH (K1) TIAE BRIDGE TR ANSFORMER 04· r;; · ---- --·-· .PARTOF R F DECK i70'C SWITCH THERMAL CIRCUITS SWITCH ·...
  • Page 58 POWER SUPPLY BLOCK DIAGRAM PART OF MOTHERB OARD PCB +24V1 ==�! ����I ______________________________________ ASSEMBLY Figure2A-1. Power Supply Overall Block Diagram 2A-3/2A-4...

  • Page 59: 3.3 A25 Switching Power Supply Pcb, Detailed Circuit Description

    2A POWER SUPPLY POWER SUPPLY ASSEMBLIES, DETAILED DESCRIPTION 2A-3.3 A25 Switching Power Supply PCB, voltage input to the duty cycle of the output Detailed Circuit Description waveform g e nerated by t h e pulse width modulator circuit (explained below). This signal During the following description, refer to the block is the input to the driver transistors, Q4/Q5 that diagram of the A25 Switching Power Supply PCB ,...
  • Page 60 POWER SUPPLY ASSEMBLIES, DETAILED DESCRIPTION 2A POWER SUPPLY put is sensed by zener diodes CR2 and CR19 (via The UF and DF outputs of U7 are combined at Q12). Any overtemperature condition of the FET the junction of R90, R91, and R85. When the switching transistors is sensed by the circuit PWM oscillator frequency is too high, the signal comprised of thermistor RTl, and transistors Ql...

  • Page 61: 3.4 A22 Regulator Interface Pcb, Detailed Circuit Description

    2A POWER SUPPLY POWER SUPPLY ASSEMBLIES, DETAILED DESCRIPTION OU PUT DISTRIBUTION Table 2A·2. A25 PCB Output Vol tages Distribution Rectifier/Filter Circuits A typical A25 PCB rectifier/filter circuit is shown in Figure 2A-3. The output voltage from the T3 To All Digital Circuits +5VD winding is rectified and passed through a double To A22 PCB Regulator Circuits...

  • Page 62: Power Supply (A2 2, A2 5 , A26 Pcbs And P/O A2 8 Pcb)

    POWER SUPPLY ASSEMBLIES, TROUBLESHOOTING 2A POWER SUPPLY configured as a negative series regulator, with the the ±15V A, ±15V G, ±15V LP, and ±15V FM power -lOV output at the GND terminal. supply outputs. Regulators VR3-VR10 are fixed out­ put integrated circuit types; see Fi gure 2A-6, Operational amplifier UlB is the control amplifier Sheets 1 and 2.
  • Page 63 2A POWER SUPPLY +12V FROM MICROWAVE DECK OVERTEMP SHUTDOWN SWITCH SENSE CIRCUITS 01-03, 012 +12V +5 VD SENSE (FROM P2 CONNECTOR) POWER SUPPLY SHUTDO WN OVERTEMP SOFT START TIMER OU SENSE CAPACITOR +1 v REFERENCE VOLTAGE LOOP CONTROL AMPLIAER PULSE WIDTH MODULATOR REPETmoN RATE...
  • Page 64 A25 SWITCHING POWER SUPPLY BLOCK DIAGRAM •SY _IT.SYD RECTIAER TO ALL SYTHESIZER DIGIT AL CIRCUITS +165V OVER CURRENT SENSE +22V VIG DRIVER PCB DRIVER TR ANSISTORS +18V G* -18V G* -21V ·21V* -SOV -sov• RECTIAER OVERCURRENT SENSE ·165V +9V LP TO FINE LOOP, RECTIAER COURSE LOOP, ETC.
  • Page 65 TP1·13 ° ° (Front) (Back) 2 (To A28XA22) � � � � � � � � � � r· 1 � � :.._, VR1 VAS VR6 VR3 VR4...
  • Page 66 A22 REGULATOR INTERFACE PCB PARTS LOCATOR DIAGRAM 2A POWER SUPPLY GND G +22V -15VFM REGULATOR + 15VFM INTERFACE -15VG (A22A 1, A22A2) + 15VG -15VA + 15VA -15VLP --- - -- +15VLP TP10 +24V1 TP11 -18V TP12 -43V TP13 All measurements are made with reference to GND G at TP1.
  • Page 67 �= � : :;:; : :. ; ; :;; . ; .:;:.:.;.: P10 ,0.. 22. AI + 24V SUPPLY ·.;R1 -<'.. '1 +30V _H317 �\ Sl'-f CRl<O /l.. O 'J 31<0 :·:-:·:·:·�: : : : :::=:= : ·:·:·:·:·:·:.:-: · :·= - - · : - ; . :7:{.}z�; : ·:·:·:·:·:·: · :·:·:·:-:· : ·: :·:·:·:· : -:-:-:-:-:-: - :-: - :-:-:.,.:-.: :·:-: ·...
  • Page 68 -43V SUPPLY -,' .. :J 1.1<. 'H-\ r.,, S. llK G:>3 V <CBV µp5v04 PIO t>,2.ZA\ 7.87K I S i +15VA +15VA +ISV� 6ND G - \",VA - 15VA -1evc.. ,5\/LP 15VLP .,. 1•:>'/L? GND G � ' , � - 5\/LP 18V6 5- .
  • Page 69 P,2. 49. '! K 1g�0 +9 v LP 4i'. 3 K - IS'¥ LP • - <t3 'OOS - 18 v ·/ +24 VO '.:e y,,, 2 .,_ 115 K t-15 �i_ ·, :-�� · - . ·.·.·.·.·. · .·.·· : · : · : ·:·:<·: · :-: . :-:- ; . :-:· : :;: .;...
  • Page 70 R-:.2. b4. "! P,'3 3 '-4 . 'J K R34 45 .3k'. ?.::0.S• 45.3K 121 K MDN 2 R'3 7. �18'4G- CRIO SI-4- · +15 VG bN I) & -15 VG CRI\ 51-4 RI?. 51.4 +IS VFM � C.RI� 51-4 -8V G.
  • Page 71 . T P1 GND G T P2 �� � T P3 SIG) IN 1 (OSC T P4 IMARY DRIVE T P5 PRIMARY+ 165V T P6 RIMARY -165V TP1·6 (Front) (Front) (Back) 2 A28XA25P1) (Back) 2 A 2 8 XM...
  • Page 72 A25 SWITCHING POWER SUPPLY PCB PARTS LOCATOR DIAGRAM 2A POWER SUPPLY SWITCHING POWER SUPPLY --- - -- ___., ,-0 Figure 2A-7. Switching Power Supply PCB Parts Locator Diagram 6700-D-31725 -3 (Rev. 2A-14 67XXBMM...
  • Page 73 54'l + 165V 6. 19K 0.01 0.02 350V GND G �1� 8 �� - -+ 0.01 0.02 350V 54'l 6. 19K -165V P/0 A28 CR10 A2BJ20 CR19 XA25P1 1N4446 +22V +12V � "" 1. 47K � . 01 � 1N751A, 5.1V SWITCHER LP °':: 30PF C...
  • Page 74 1N4446 � +12Y CD 1N4446 PRIMARY DRIVE PRIMARY RETURN +12v CD 12v CD �"' 14.7K +12 Y CD 7555 CR32 SHUT DOWN 1N4446 CR 34 CR12 1N4446 1N4446 2. 2 +12Y + 5Y 3. 32K � OOOPF 1. 47K 165K TEST 7555 !OOOPF...
  • Page 75 CR16 1N5360 61.9 CR29 DRIVE PRIMARY PRIMARY RETURN CA24 MR822 CR25 � MR822 - - - - - CA26 MR822 61. 9 � CR27 MR822 MR822 CR30 24.9 � MR822 CR3 1 67XXB MM...
  • Page 76 ------ 17.6 17.6 +5VD R58 402 GND D COMP 0. 1 1.0mH SENSE � 40pF }" 240pf +22V ------ + C54 + C56 � �o 7 50V � GND G ------ 50V 47 19.6 +18V G + C40 R63 20K �...
  • Page 77 A26 LINE FILTER PCB PARTS LOCATOR DIAGRAM 2A POWER SUPPLY · 0. 0 S 1- 1 T1-3 Tl-2 S1 2 ·C1 WILTRON CO COPYRIGHT 1987 6700 31726 Figure 2A·9. Line Filter PCB Parts Locator Diagram (Rev. 6700-D-31726-2 2A-18 67XXBMM...
  • Page 78 OF R E A R. PA N E L P A R T R. T I F" I 5 .n. , C O L D I N P U T \ I O V A 5 2- 2.A 2 2-0 V F"...
  • Page 79 E. 1 A 2 B :r z t. - 3 C. I l u F I S O V 't O O V R M S E 2. T O A 2 8 J" 2 b - I c 2. R V 2.
  • Page 80 A28 MOTHERBOARD (As viewed from of instrum ent) « : •• · � • • • • • • • cl: · - • '= · � i . : •'>< • • • • • • ·.£) • • •...
  • Page 81 2A POWER SUPPLY A28 MOTHERBOARD PCB PARTS LOCATOR DIAGRAM MOTHERBOARD (Bottom Side) 1 : : : : : : : : : 1 1 • • • • • • .. � :: � a • • • •• • <( >( •...
  • Page 82 L I N E F I L T E R A28J26 5 8 , l l O V 220V I NPUT . c;, o v � P M S � av � POWE� 1 .. f � QC>V l' .O. , c:.. o � 1 1ov 220V MAB!
  • Page 83 (0). (µf), A21 ll01HERIOARD SCHEllATIC NOTH: (µH). 1. UNLESS OTlEllWISE 9P£CFED, RESISTANCES ARE II OH119 COllNE C1 10l lS CAPll QT AHCES ARE 11 lllCl lOl' Al lADS llDUCTAHCES AllE ti llCll OHEl lRIE S SIGllAL INDICATE 11.t.TaftllG fl.AGS llETWUN llULTPl.E SHEE'1S Of THIS 9CHEMATIC.

  • Page 84: Digital Control Assemblies, Overall Description

    28-DIGITAL CONTROL 2B-2 DIGITAL CONTROL ASSEMBLIES, AS, A23, and A24 PCBs OVERALL DESCRIPTION The digital control assemblies consist of the A23 Microprocessor PCB, the A24 GPIB PCB, and the A8 Serial PCB (see Figure 2B-1). These PCB as­ 2B-1 DIGITAL CONTROL ASSEMBLIES: AND A8 semblies control the synthesizer either locally via A23, A24,...
  • Page 86 DIGITAL CONTROL SUBSYSTEM BLOCK DIAGRAM 2B DIGITAL CONTROL 8-BIT MAIN MIC ROPROCESSOR DEDICATED ADDRESS DATA BUS DO·D 7 LINES LPA 15·LPA22 3·BIT PCB ADDRESS BUS PAO·PA2 REAR PANEL � ���� � � � � RFAC E � LPA21 GPIB INT/FF INT LPA17 �...
  • Page 87 A24 GPIB PCB, DETAILED DESCRIPTION 28 DIGITAL CONTROL Data from the A24 GPIB PCB, the AS Serial VO periods are used to trigger events (such as the PCB, or the DVM circuits on the Al 7 PCB are sent microprocessor housekeeping routine) and pro­...
  • Page 88 DIGITAL CONTROL Y1 (15 MHz) CLOCK . . 8 BIT ·.·. CIRCUIT · ADDRESS :> LATCH WAIT STATE CIRCUIT 8 BIT 3088 MICROPROCESSOR U2A,U2B DWELL INT (FROM A17 PCB) GPIB INT (FROM A24 PCB) : : , : · : : : : : : : ;...
  • Page 89 A23 MICROPROCESSOR PCB BL OCK DIAGRAM INTERNAL ADDRESS BUS (19-BIT) . : i . , : . i . : : = : : ; : : : : : : : : : : : : : : : : : : : : : < : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : · � . · , : . : . : .
  • Page 90 28 DIGIT AL CONTROL A24 GPIB PCB, DETAILED DESCRIPTION NOTE The GPIB control programs for Ul are located in UlO. EPROM The SK chip, Ull, is used as an Jumper P3 must be in the NORM AL posi­ input/output buffer and as Ua general scratch-pad tion for normal operation.
  • Page 91 28 DIGITAL CONTROL (6MHz) INTEI BIT . , ..'' ' /' ���€� j f: j EPROI . · . · · 16 K '.\' M: M lc ROP .ssoR • • • '�· " ' , · ·...
  • Page 92 A24 GPIB PCB BLOCK DIAGRAM 8255 24 BIT PARALLEL PARALLEL INTERFACE OUTPU,..(SPARE) INTERRUPT L FF INT �. ��rnT (TO A23 PCB) U38,U9B U13,U17C/D . (TO A23 PCB) DATA BUS OUTPUT LATCH 8255 PARALLEL INTERFACE DATA BUS DO·D7 INPUT (TO/FROM A23 PCB) LATCH Not Presenlly Used...

  • Page 93: As Serial 1/0 Pcb, Detailed Circuit Description

    AB SERIAL PCB, DETAILED CIRCUIT DESCRIPTION DIGIT AL CONTROL AB SERIAL I/O PCB, DETAILED internal 2B-5 • clock that is used to shift the data CIRCUIT DESCRIPTION through the shift registers. During the following description, refer to the AB The strobe signal that is sent either to the •...

  • Page 94: Ground Return Multiplexer

    28 DIGITAL CONTROL AB SERIAL 110 PCB, DETAILED CIRCUIT DESCRIPTION d. Ground Return Multiplexer microprocessor. Each of the five serial data buses include DATA, CLOCK, and RETURN lines. The All of the serial data and clock signals from the serial data bus to the A2 Front Panel Control PCB AS PCB go to destinations which have chassis­...

  • Page 95: Digital Control Assemblies, Troubleshooting

    DIGITAL CONTROL ASSEMBLIES, TROUBLESHOOTING 2B DIGITAL CONTROL Microprocessor PCB. Upon servicing the interrupt, • The Clock control flip-flop U4A is triggered to the main microprocessor programs the AS PCB as shift the single bit of data from the A 2 PCB into follows.
  • Page 96 D/Gff AL CONTROL FLIPFLOP '"" ' · DO-D7* CONTROL LATCH DATA SIGNAL DATA PAO* PA1* ADDRESS DECODER PA2* CIRCUIT SHIFT LPA22* REGISTER GROUND CLOCK/ RETURN TIMER CIRCUIT U4B,U7, 8 SHIFT REGISTER FPOUT ( F ROM PCB) SERIAL EXT REFDET INPUT : : j ): ·...
  • Page 97 AB SERIAL 110 PCB BLOCK DIAGRAM FLD 12 SERIAL DATA BUS TO A11 PCB � FLO 12 DATA CL DATA CL DATA PG DATA SERIAL DATA BUS CL RTN TOA6 PCB CN TR DATA CLCLK FP DATA FLRTN CLRTN PGRTN PG RTN SERIAL DATA BUS TOA13PCB...
  • Page 98 --IBID- I (Front) 1 (Back) 2 (To A28XA8 via filtercons) NOTE: Leading zeros on component number references may be disregarded.
  • Page 99 28 DIGITAL CONTROL AB SERIAL 110 PCB PARTS LOCATOR Figure 2B�. AB Serial 1/0 PCB Part.a Locator Diagram 6700-D-31708-3 (Rev. C) 67XX B MM 2B-12...
  • Page 100 + sv + sv 74HCl4 F A 0 >" A 2 1 2 I 3 c u L PA 2 2 6 E l 1 3: 5 E2B ::< 3 4,7 5 " 74HCl4 5 1 1 -:GUNTER 5 5 5 U 8 8 Q A 74HCl4 :.::: 9 r.c...
  • Page 101 -t 5 V • 4 99 CLR GND SERIAL 74H C 7 4 CONTROL V CC FL DAT A CL DATA LJ 5 S6 11 DATA I 25· ' 60 1 5 7016 74HC374 -i5v R NI RETURN 7> P/QD Otn .
  • Page 102 GND G U28 EEPROM U24 EPROM C� +5VD TP10 U25 RAM CS U9 µPROC WR TP11 U9 µPROC RD U26 RAM CS TP12 U22 EPROM CS U29 RAM CS TP13 U23 EPROM CS U9 µPROC ALE U27 EEPROM CS Position TP1 ·13 Jl/P2 W1 1·14...
  • Page 103 DIGrrAL CONTROL A23 MICROPROCESSOR PARTS LOCATOR MICROPROCESSOR · NORM SERV Figure 28·7. A23 Microprocessor PCB Parts Locator Diagram 6700-D-Sl 723-3 (Rev. T) 67XXB MM 2B-14...
  • Page 104 S 0 '+ W l l • SV C CD G-" U 2. 5 · .N 1 2. -r s v - s v RCo ! R O I R I DWE L L I N T � Lf I N T e s t .
  • Page 105 C Z I R N I iO K + '=:> C l l 1 0 0 :J . U20 A Y O "' '( I "'""' s � � o '2. AO 2. A -- - - - - � 2. /'-f L..
  • Page 107 + sv J" I I O K p 2. -t '5V :::> O ;:) / :::i z :)'-l :i s D � :::> 7 J2 3 " U M P E R TA 3LE J C. J U I-" P ERS ' N Z.
  • Page 108 ����MAL GND D FF I NT GPIB INT TP1 0 U 1 4 RD U 1 4 CS TP1 1 U 1 4 W R U 1 2 CS TP1 2 LPA2 1 U 1 0 CE IP1 3 U 1 1 CE UB CLK U7 CE Position...
  • Page 109 DIGITAL CONTROL A24 GPIB PCB PARTS LOCATOR GPIB SERV NORM SW01 U 0 1 ..Figure 2B-9. A24 GPIB PCB Parts Locator Diagram 6700-0-31724-3 (Rev. E) 67XXB MM 2B-18...
  • Page 110 + 5 \; - � P R O M - 1 2 D <; - - I '+ 0'1- I � fv1 1 C RO P P GC E SS O P 7 '-' L S 0 "'+ , -;.::. µ .::.1.::, 4 "...
  • Page 111 + s v U 1 4 � A 2. 2. LJ I Q DI 0 A 3 Vlh AO A > l-!- 7 0 3 I S [J A I 1 5 0 3 /'\O ,.. I D'+ I !; l'\ 't A S ._ _ I ? 0 5...

  • Page 112: Front Panel Assemblies: Al And A2 Pcbs

    2C-FRONT PANEL: A1 and A2 PCBs 2C-2 FRONT PANEL ASSEMBLIES, OVERALL DESCRIPTION The Al Front Panel and A2 Front Panel Control PCBs are part of the Front Panel Assembly. These 2C-1 FRONT PANEL ASSEMBLIES: PCBs are mounted within the front panel casting Al AND A2 PCBS and are isolated from the internal synthesizer cir­...

  • Page 113: . 2 A2 Front Panel Control Pcb, General Description

    A1 FRONT PANEL PCB, DETAILED CIRCUIT DESCRIPT ION 2C FRONT PANEL The operation and functions of these displays and Knob Motor and ALC Amplifier Cir­ controls are described in the 67XXB Swept Frequen­ cuits cy Synthesizer Operation Manual. The front panel DECREA SE/INCREASE knob is used by the operator to modify operational data...

  • Page 115: A2 Front Panel Control Pcb, Detailed Circuit Description

    A2 FRONT PANEL CONTROL PCB, DETAILED CIRCUIT DESCRIPTION 2C FRONT PANEL inputs of Schmitt-trigger inverters U30A, U30C and • The main microprocessor checks the keycode data U30F, respectively. These Schmitt-trigger devices and sends another instruction to the A8 PCB that improve the rise time of these signals, which is instructs UlO to load the keycode data a second degraded by the filtercons (filter connectors) which...
  • Page 118 FRONT PANEL BLOCK DIAGRAM LPCB PARTOFA2FRONTPANELCONTROLPCB LEVEL DISPLAY FREQ DISPLAY MOD DISPLAY MESSAGE MESSAGE MESSAGE LATCHES LATCHES LATCHES A2 CONTROL STR�BES STROBES ,,,,\ .·. STRESS FP DATA \: : : : :::::::::::: : : : : : : : : : : : :':<::: : ::: : : : : : : : ::: : ::::::f::::::::::::: : : :: SERIAU DECODE...
  • Page 119 EJEJ (From A2J1 (From A2J2) (From via ribbon cables Via ribb NOTE: Leading zeros on component number references may be disregarded.
  • Page 120 A1FRONTPANELPCBPARTSLOCATOR 2C FRONTPANEL NOTE: U7, US, U10, U12, thru are mounted on back side. FRONT PANEL (Behind front casting; POWER see removal procedure Display in Section 0853 - - - - - - - -- - - - �c:n:; i--------------- 1 05!!3 .
  • Page 121 X o., "4 P2 -lS � ,">- /. < /4 ,)- I NC.Ii: I SWEEP 511.E I= I- swz. .,, , '-13 15-S- P SwE::P DWE"� � SvJB '>'N' '2. 'SV. . I '5W'4 ".>IAo\5 SWl<O �l/v'.\I � � "9J..J -Lea -:,wze SV..
  • Page 122 SW I SW ITCH DETAIL CONNECTION DIA.Gelo.. µ K�'>'S A.l.. l NOTESo UNLESS OTHERWISE SPECIFIED, RESISTANCES ARE IN OHMS. CAPACITANCES ARE IN MICROFARADS. INJUCTANCES ARE IN MICROHENRIES. <%21D U5£D MATCHING CON'<ECTIONS FOR SIGNAL FLAGS ARE Ar-D LOCATED SHEET NUMBER GRID COORDINATE. �...
  • Page 123 R\.. 1 1 '<'WI F>l\.ll '21-llb 2.20 2.7..0 -:... � ".. '.:. �· ; 3-i.:J.. -=. :: . ') 2. 2.0 Z'Z.0 � - �;J :- :-- D'I.. ::;.;. DG!:> . ' � LEI:> DR'IR 5 STR6 Uo'D DR'J!'\ Z. S'H!B DRV�...
  • Page 124 DO-C7 '..> · SV D • RIJ 2 I?.� 2. 12. \..l ?. 21J2. R1.12. 1(\..1 2. •SV 2.?. 0 2. Z.O ZZ I 2. 2 c_ 4 HRKR :! DO O<. l lO D<O Cl<> .. r:;, GI.I D 1:1.
  • Page 125 i'SV ·e :::. 1::; '.)\\ /,. 2� 2.� :: I I ::; :) ·�e ICC. " C 1C.. D '- "'" !8 D7� ;;_--;._ ZO D8b.. M � If) '9 ;:R:.a �w c 1 S D =:<EQ DISC DP7 Dl$P DP Fii?E.O DISP EXT R E�...
  • Page 126 ICM7211AM 37 DIA. ve:. 38DIB 39 DIC. I C.. 400\D 2 DIE 1 .:: 28 91 4 Dlt=' IG 3 DIG DZ.,,.., <O 7 D'2.. e. 7-l>o. D � 8 DZ.C.. 9 D2.0 lO D'Z.li 13 D::lt... I� 030 '!,() 17 D3E CS?.
  • Page 127 i C M 7 2 \ I A I"\ -+SV + sv C!. l:) DI B 0 . 1 I A. 16 39 DI C DI D I E. I F" F" DI <;. 2.. 9 2 11. 1 2. 2.
  • Page 128 + s v 'e> 7 D I A I ,!.,. � 0 4049 38 DIB 39 DI C 2 7 e o 40 D I C t:> I II" D 'Z I>. 0 2. B D?.C. �I 0'2,D D"7 1 3 0'3 .. CS.
  • Page 130 A2 FRONT PANEL CONTROL PCB PARTS LOCA TOR 2C FRONT PANEL NOTE: P1 , P2, and P4 FRONT PANEL CONTROL are mounted (Behind front casting; on back side. see removal procedure in Section 3) (From A28J4 via wire harness � · � <ao =>...
  • Page 131 -.- s v � 0. 1 /41-K. 1<.A - 4 1-1:::. 14 +5V 2 C.. '3 �0 74 1-\ C I � D A T A C L K R e! '------------- +5V2 + ?V2. R N I C l ? ( L<...
  • Page 132 f's= "C:ESl""'-lbTIOIJ') Ll>.'>"T u'iEI) u<c.D \..bi ...i � c.Fll O R2 3 P,f.J "'.:> L':> j c:;, C. I B . o . \ � L R F U N L E V E L E D L R F UNL E V E L E D 7 4 H C 7 4 -+1.
  • Page 133 DO - D7 .. . 5 v 2 � 0 :r 3 - <0 0. 1 UI Z. C. D4 0 5 4-B � D Z. 1 3 03 Q 3 4 2 D F 0 . 1 COLl054B 1/o Ul"3 S TB 5 TB 4...
  • Page 134 FR E Q D l $ P D P I D l :S P EQ D I S P DP 3 b::i D I S P DP F;::_ DP 5 F RI i=;Q DI 5>P EQ D t SP DP � Eq_ D t 5 P DP 7 EQ O I SP DP 8 EQ DISP...
  • Page 135 00 - D? � � z. 5 03 3 4>4 Di.+ 0. 1 UZ. I ST B I 5 TB Z. ST B 3 '° Gl l ST B '+ G>Z. Q'3 4 GI+ o D tt ?... I O S IB U f Z STB ?...
  • Page 136 MOD O I SP DP I M O D D 1 5P DP Z. MOD D1$P D P 3 LVL DISP DP I L\J L Dt5P DP 2. L\J L OISP DP 3 MOD D l 5P PULSE: MOD D I S P E'XT Jl.l-Z5 0 1 �...

  • Page 137: Inputs/Outputs Assemblies , Overall Description

    ••••••••••••••••• . • ••m••. • . · ·•••••••••"'"' · •••·"·""' a WILTRON 560 series S c a l a r Network Overall Description Para. 20-2 2D-1 ... �. 1 .c ?. �. � --�-i - �W.��...

  • Page 138: A27 Auxillary Vo Pcb , Detailed Circuit Descripi'ion

    A27 AUXILIARY VO PCB, DETAILED CIRCUIT DESCRIPTION 2D INPUTS/OUTPUTS 2D-3 AUXILIARY PCB, DETAILED microprocessor data bus lines, DO-D7, into the CIRCUIT DESCRIPTION various control latches and DACs throughout the A29 PCB. This data controls the operation of the VO Refer to the A27 PCB schematic, Figure 2D-4, during interface and microwave component drive circuits the following description.

  • Page 139: External Instrument Interface Circuits

    2D INPUTS/OUTPUTS A29 REAR PANEL INTERFACE PCB, DETAILED CIRCUIT DESCRIPTION Q5, Qs 2D-4.3 External Instrument Interface Circuits outputs of U4 are used in con­ junction with operational amplifier U5C to produce outputs of data latch U4 are used the SEQ SYNC signal. During retrace and band generate t h e R E TRACE BLANK and BA N D­...

  • Page 140: Lov Horiz Output Signal Circuits

    NATE 1 and L ALTERNATE EN signals. These sig­ Each of the drivers is identical except for the resis­ nals are used with the WILTRON 660 series network tors determining the output current to the PIN analyzers in the alternate sweep mode of operation.
  • Page 141 20 INPUTS/OUTPUTS DATA CONTROL I--- -- -- -- -- -- -- --+- -- --� LATCHES INTERNAL DATA/ U8,U9 CONTROL BUS CWHORIZ -10V •• • ••• • . / (FROM A17 PCB) � � ����� � � ":: : = :: · ::::::··.::-": ' :: · :. "··, · ·:·: · :: : '.'.'"": · :: · :: : : : : : . = : = : = �...
  • Page 142 A29 Rear Panel Interface PCB Block Diagram 10V HORIZ OUT* V/GHzOUT* ALC SLOPE* RETRACE BLANK* RETRACEJ BANDSWITCH BLANK* BANDSWITCH BLANKING LOCK OUTPUT* LOGIC CIRCUITS MARKER' SEQ SYNC* 10dB ATTENUATOR 40 dB 1 SWITCH DRIVER TO STEP CIRCUITS 20 dB ATTENUTATOR *** 40dB2 PIN SWITCH 12.4...
  • Page 143 Rear Panel AUX 1/0 Connector ( Recei v es ribbon cable from rear panel BNC connectors) ..Cable Ribbon (ToA28J27)
  • Page 144 A27AUX110 PCB PARTS LOCATOR DIAGRAM Figure 2D-3. A27 Aux I/O PCB Parts Locator Diagram 6700-C-31840-3 (Rev. B) 2D-6 67XXB MM...
  • Page 145 L MEM SEO INPUT LOCK OUTPUT RETRACE BLANK BAND SW BLANK V/GHZ HORIZ OUT S E Q SYNC MARKER L EXT SWP T R I G SWP DWELL INPUT PEN L I FT RELAY DRIVE L ALTERN ATE 1 L ALTERNATE SPARE SPARE SPARE...
  • Page 146 L MEM SEQ INPUT LOCK OUTPUT RETRACE BLANKING BANOSWITCH BLANKING V/GHZ HORIZ OUT SEQ SYNC MARKER SWEEP TRIGGER SWP DWELL INPUT PEN LIFT LOCK OUTPUT RETRACE BLANKING BANOSWITCH BLANKING V/GHZ HORIZ OUT SEQ SYNC MARKER SWEEP TRIGGER L SWP DWELL INPUT L ALTERNATE L ALTERNATE EN SPARE...
  • Page 147 A29 REAR PANEL INTERFACE (As viewed from bottom of instrument) J1 2 ATTENUATOR DRIVE ATTENUATOR (Optiona ( To Optional Attenuator) and/or BAND 0 BAND 1 FILTER DRIVE MOD DRVR (ToA28J14 (Used in all units with Vi i via ribbon cable) a 2-8 GHz band) BAND2 MOD DRVR...
  • Page 148 A29 REAR PANEL INTERFACE PCB PARTS LOCATOR 20 INPUTS/OUTPUTS REAR PANEL INTERFACE (Bottom Side) (ToA28J19 (ToA28J23 via ribbon cable) ribbon cable) IPLER SWITCH DRIVE in all multi-band units) Figure 20-5. A29 Rear Panel Interface PCB Parts Locator Diagram 6700-D-31829-3 (Rev. K) 67XXB M M 20-8...
  • Page 149 +5V@ RN1, 10K +5v@ Ri. 100 DD / ! Y i MEM SEQ SWEEP DWELL IN D2 / R2. 100 1A 3 PS LOCK MON 1N751A 0 7 / L XTAL OVEN RF UNLEVELED HCTOO +sv@ GNO G � RN2. \OK - �...
  • Page 150 34.BK +15V @ RETRACE BLANK 34.BK BANDSWITCH BLANK AO ��� 1N752A -15V@ +5V@ +5V @ Cl19 2N4249 +15VA 34.BK 1N751A 1N751A 30.1K 30.1K SECl SYNC +5V @<! 30 .1K REF DESIGNATIONS LAST USED NOT USED GNOD Cl29 Cl34 CR60 R141-146 -15VA R134-R137 R173...
  • Page 151 DO-D7 1/A8 � 03 DO QO 02 05 07 01 D2 Qj 06 Q3 09 Q4 12 15 14 04 05 17 06 Q6 16 19 LATCH 1 STRB 1/F8 HC374 +5V@ c w HORIZ VCC VRF Dl U10 CR12 13 07 WR1 STRB RAM P OUT...
  • Page 152 R23. 100 L ALT L ALT DAC A/DAC R89 100 SPARE OUT R90, 100 S PARE OUT R91. 100 S PARE OUT -1ov +15VA H CTOO 48. 7 1N751A +15VA @ +15VA @ U12A DG201 HORIZ OUT U11B 11 T L074 5.
  • Page 153 U17E HC04 U 1 7F HC04 67XXB M M...
  • Page 154 '*'" Ol"n°""" "" A.iHC.n<>rc R'fii � Y�""' CR18 Jj.- 1N4446 SPARE RELAY CR19 "" � � 1N444B CR21 .,,. . CR22 .if. CR23 10 dB THAU 40 dB 1 THAU CR33 CR34 1N4446 -It T\le:-se. Co"'P<>"'E>n'::!. � N.oT "'�.._. ., CR35 CR36 I Nc.L.U °"'""...
  • Page 155 SWITCH DRIVERS +15VACD + 15VA CD +15VA U29. U30, + 5V CD U298 U33, & U34 U26C DG201 SUBSTRATE DG201 CA3183 U25A U25C DG201 IDO- -15VACD - 5V +15VACD 15VA 1 + 5v CD +15VA 1 SWITCH U2BC DG201 STRB CA3183 +5v CD IDO 03...
  • Page 156 + 1 5 VA G) + s v G) U26A DG20 1 R 5 2 ( R F OUTPLJ • P1 r.J � SW• Tc.JI 2 1 5 "\U X ) S H I E L D SPARE GATES ( D G 2 0 1 ) NC �...
  • Page 157 + 1 5V A 1 0 0 - 1 0 7 2 / G 9 �o C 2 3 C R 4 9 1 N 7 5 1 v c c Cl 1 Cl 2 1 0 6 1 0 7 SELECT STAB 1 / GB...
  • Page 158 V N l O K Q 2 4 . 0 1 - B P I N O R V S H I ELD iVA @ S H I E L D V N l O K B- 1 2 P I N ORV S H I ELD Q2 1 2N2907...

  • Page 159: Reference Loop

    2E-2 REFERENCE LOOP ASSEMBLIES, 2E-REFERENCE LOOP: A5, A7, A10 OVERALL DESCRIPTION PCBs AND CRYSTAL OSCILLATOR Refer to the block diagram in Figure 2E-1 for the following discussion. The Reference Loop is com­ prised of the 10 MHz Crystal Oscillator Assembly, 2E-1 REFERENCE LOOP ASSEMBLIES: Reference Oscillator PCB, the A 7 Reference...

  • Page 160: A5 Reference Oscillator , Detailed Circuit Description

    AS REFERENCE OSCILLATOR, DETAILED CIRCUrr DESCRIPTION 2E REFERENCE LOOP The output of the phase/frequency detector is zero the DVM circuits located on the Al 7 Analog Instruc­ when the Reference Loop oscillator is phase locked. tion PCB for monitoring by the A23 Microprocessor. This output is also monitored by the A23 NOTE Microprocessor PCB (via the DVM circuits on the...

  • Page 161: . L 500 Mhz Input

    A7 REFERENCE DIVIDER 2E REFERENCE LOOP DETAILED CIRCUIT DESCRIPTION 2E-4.1 500 MH Input 2E-4.4 External 10 MH Input Circuit The 500 MHz output from A5Jl goes to an im­ If a 10 MHz signal is present at A7J4, it is input to R3).

  • Page 162: Alo Reference Buffer, Detailed Circuit Description

    A10 REFERENCE BUFFER, DETAILED CIRCUIT DESCRIPTION 2E REFERENCE LOOP Buffer Amplifiers pulse will be higher than the de voltage resulting 2E-5.2 from the narrow pulse. U7 amplifies this de voltage Ql is configured as an emitter follower and biased difference (the reference loop phase error) and out­ by R3 and R4 for a collector current of approximately puts it to A7Pl, pin 6.
  • Page 163 2E REFERENCE LOOP (FROM ASJ1) 10 MHz REF INPUT (REAR PANEL BNC) 10 MHz (FROM INTERNAL CRYSTAL REFERENCE OSCILLATOR) 67XXB MM...
  • Page 164 REFERENCE LOOP BLOCK DIAGRAM 50 MHz TO A14 PCB (FOR FUTURE USE) 10 MHz -2 dBm (TO A6J2 CL DIVIDER) 10 MHZ T0-2 dBm (TO A11J2 FL DIVIDER) 10 MHz -2 dBm (TO A13J1 PULSE GENERATOR) 10 MHz +10 dBm (TO REAR PANEL 10 MHz REF OUTPUT BNC) 500 MHz TOA7...
  • Page 165 =:: + 5.5 dBm =:: t 8 dBm ( T o Down ( T oA3J2) :::: Q dBm CL Mixer) Converter) ( T o A7J1) Reference Loop +12V Tuning Voltage ( + 12V to+ 12V) TP 5 + 23 V -14V ( T o A28XA5 via filtercons)
  • Page 166 A5 REFERENCE OSCILLATOR PCB PARTS LOCATOR DIAGRAM 2E REFERENCE LOOP REFERENCE OSCILLATOR 2E-2. AS Figure Reference Oscillator PCB Parts Locator Diagram 6700-0-31805-3 (Rev. D) 67XXB MM 2E-6...
  • Page 167 +12v Rli'.. 2.'+.�K RI:, Z.2.Co� A2.8'<A5 3.1>,K 0? 2. .,.2V-h> +t.2... V . -, RH f> ERRCIR_ � -14V LOOP AMfLIFIER CRZ. AZ.. 8 'f.. A 5 IN'IDO':. I() : .; o V R I +IS°VI?--'--- --< CR"'> i\::JJ iN'10C'.J Z.'13 RZ.
  • Page 168 A28XAS � RL TCJNE \' "1.02.K +IOV 2. .2.0'h � Rl 7 " + '. f-¢ z. '+. � r-:: , ".+,2 '-' 4 3 \ 1 0 �o SA.W osc. +12v "''"'"' ·R4'. �0.1 0.33 R 25 "' � 500 MHl.
  • Page 170 2E REFERENCE LOOP A7 REFERENCE DIVIDER PCB PARTS LOCATOR DIAGRAM REFERENCE DIVIDER Figure 2E-4. Reference Divider PCB Parts Locator Diagram 6700-D-31707-3 (Rev. 67XXB MM 2E-8...
  • Page 171 '-17 L.• ��. � c_11 ::<..J '< l 2.1<-, soo ,.,.., ?. . . = ROH A.. � :-1 � o-:1a�. "'-S :r '-I E:.. X T 10 l-H-lz_ ::;c, i>.EA.\:1. (>ROM '=>I � .::, ..: ::- 1 L"<. ,� - •-(7 =<-10 10 1-iHz...
  • Page 172 ;:::> � 'le. Ve.. J"u '-113 TG3t>-. Q 2. "' C.. e- 0, (.. 2. i'-!51\2. �0-1 µ\-1('..: s E:; �1L1 �oT IS pi:- :::> 1 42.8 x f>.. 7 =. x T RE� DET R?.Co 10"" ��L 1JT10>-'HZ.. i>..
  • Page 173 10MHz 10MHz 10MHz 10MHz 10MHz ... +10 dBm -2dBm -2dBm =-2dBm -2 dBm (To Rear Panel (ToA11J2) (ToA6J2) (ToA13J1) (ToA7J3) BNC) GNDG < (To A28XA 1 via filtercons ) NOTE: Leading zeros on component number references may be disregarded.
  • Page 174 A 10 REFERENCE BUFFER PCB PARTS LOCATOR DIAGRAM 2E REFERENCE LOOP REFERENCE BUFFER Reference Buffer PCB Figure 2E-6. Parts Locator Diagram 6700-D-31710-3 (Rev. 67XXB MM 2E-10...
  • Page 176 +51/ ""' . IOMl-IZ. ?<-Z. de.,... (TO All.)2) IOM�z -;:::. - ZdSl"T"I (TO Alo JZ.) 10 l"IHL - Z. � .dBm (TO Al3JI) --fr- C.Z.I Gl\O Zl..l � OCD J� C.22 R� IC> Ml-IZ � +10 dBf'V) RE,.._ R PANEL BNC) Figure 2E-7.

  • Page 177: 2F-Coarse Loop

    2F-COARSE LOOP 2F-2 COARSE LOOP ASSEMBLIES, A3, A4, AND A6 PCBs OVERALL D ESCRIPTION Refer to the overall block diagram of the Coarse Loop circuits shown in Figure 2F-1. The Coarse Loop is comprised of the A3 Coarse Loop Mixer PCB, the A4 2F-1 COARSE LOOP ASSEMBLIES: Coarse Loop Oscillator PCB, and the A6 Coarse Loop...

  • Page 178: A3 Coarse Loop M Ixer, Detailed Circuit Description

    A3 COARSE L OOP MIXER, DETAILED CIRCUIT DESCRIPTION 2F COARSE LOOP > proximately 12 dB. For input signals dBm, Q4 2F-3 COARSE LOOP MJXER, DETAILED cmCUIT DESCRIPTION and Q5 have a gain of about 6 dB. This limiting action prevents any component on the IF signal Refer to the schematic of the A3 PCB, Figure 2F-4, from causing an...
  • Page 179 2F COARSE LOOP MHz +7 (FROM A5 REFERENCE OSCLLATOR PCB) (FROM SERIAL VO PCB) CL CLK (FROM SER I AL V O PC B) llHz-2 (FROM A10 REFERENCE BUFFER PCB) 67XXBMM...
  • Page 180 COARSE LOOP BLOCK DIAGRAM 440-490 MHz 440-490 MHz OdBm(TOA31 POWER AMP/ll U L TIPLIER) CL TUNE V (TO A17 ANALOG INSTRUCTION PCB) CL MON (TO A17 PCB) Figure 2F-1. Block Diagram of Coarse Loo p Circuits 2F-3/2F-4...

  • Page 181: Buffer Amplifiers

    ""- 10 .3V Variable resistor R14 is adjusted during 465 MHz "'-1 1 . 9V initial calibration at WILTRON. No at­ 490 MHz "'-1 3.6V tempt should be made to adjust R14 w i t h o u t proper e q uipment. Contact 2F-4.4 Buffer Amplifiers...

  • Page 182: .3 Coarse Loop Counter Chain Operation

    A6 COARSE L OOP DIVIDER PCB, DETA ILED CIRCUIT DESCRIPTION COARSE LOOP minated by R12 and coupled via CU to amplifier Ql, nal frequency (490 MHz) by two and effectively which has a gain of approximately two. The output multiplies it by 82. This results in a harmonic of Q l drives buffer gate UBB that produces an ECL­...

  • Page 183: 10 Mhz Reference Input

    2F COARSE LOOP A6 COARSE L OOP DIVIDER PCB, DETAILED CIRCUIT DESCRIPTION 10 MHz 2F-5.4 Reference Input age at the input of U16. The output of U16 is the (unfiltered) coarse loop phase error signal. The 10 MHz signal from the AlO Reference Oscil­ lator module is input at connector A6J2 with a level At zero phase difference, the output sensitivity (out­...

  • Page 184: Notch Filters

    COARSE LOOP ASSEMBLIES, TROUBLESHOOT/NG 2F COARSE LOOP The first 200 KHz notch filter is comprised of Instruction DVM circuit. The A23 Microprocessor Ul 7B/Ul 7 A and associated components. This circuit monitors this point via the Al 7 PCB DVM circuits reduces the 200 KHz signal components of the coarse to determine if the Coarse Loop is phase locked or loop p hase error signal (thus reducing the amount of...
  • Page 186 A6 COARSE LOOP DIVIDER PCB BLOCK DIAGRAM U4,U7,U9B U3,U6 Bl-PHASE CLOCK CIRCUITS U20D Q7,Q8 .-·-----------·------------------------------------------, ALTER CIRCUITS 200 KHz 400 KHz 200 KHz NOTCH FILTER NOTCH FILTER CLO ERR (TO A4 CL OSCILLATOR PCB) U17A, U17B U18A,U18B U19A, U19B DECOUPLER/ ALTER CL MON (TO A17 ANALOG INST PCB)
  • Page 187 10-60 44�-490 ,,._ 2 dBm - + 3dBm =t 7 � (CL IF Output F Output to A6 J 1 ) (From A5 4 J 2 ) Shield tab soldered to U1 case aooo aooo (To A28X A 3 via filtercons)
  • Page 188 A3 COARSE LOOP MIXER PCB PARTS LOCA TOR 2F COARSE LOOP Figure 2F-3. A3 Coarse Loop Mixer PCB Parts Locator Diagram & -4 (Rev. E) 6700-D-31703-3 2F-10 67XXB MM...
  • Page 190 R Z.I o. � 150 nh 1 1, �l< Z9 RI� Rl. 2. RZ.3 8Z..5 ,, .z.z. K. ,11.ZZ. K <'t.13711. i'1. � 2N5179 .J-3 .001 R3 4 10-'-<J MH-.. %-Zd!!>"' Q.C>Ot IF ()LI TPUT) RI!'! Figure 2F-4. A3 Coarse Loo p Mixer PCB Diagram Schematic (Sheet 1 of 1)
  • Page 191 440-490 MHz 440-490 MHz ""+3 ""+3 (CLO VCO Output (CL RF Output � to A31 Power Amp/ to A3J3) Multiplier -om=! (To A28XA4 via filtercons)
  • Page 192 A4 COARSE LOOP OSCILLA TOR PCB PARTS LOCATOR 2F COARSE LOOP COARSE LOOP OSCILLATOR 2F-5. Figure A4 Coarse Loop Oscillator PCB Parts Locator Diagram & 6700-D-31914-3 (Rev. H) 67XXB MM 2F-12...
  • Page 193 AMP\.. l �IE°FZ-. llo<.. +l�V - j� C I AZ 5XA 4 0.'I rk -rr-r Jfl� p, I L'Z... CL(/> E-��o><, 2< Ii" . u I A '-'- 1 - l':Z 1 2... ' S(DO SI. I C:L � ER l=<.o P, t-JE:S': :i'3 Z �...
  • Page 194 -16V(-3)• --Z.IV(-4) +13'1/ FD�OO + 1 3V -l!V(-3) RI� RL.i S � c.. i:, -wv(-+) l\..I L. l'Z.'2.� 11(, � Rl'3 RI� 1'!..3K 1'"0300 -�v R4� 1':12 -11v (-�) R"iB 30 i< 1':20 -2.0V(-4) IOI<. ZN. 3904 1'-.9K (. 1\2. 1.2.1 K 1'"0300 A'ZBXA4...
  • Page 195 10-60 z-2 dBm z-2 dBm (CL IF from A3 J 1 ) (From A 1 O J 2 ) F DIV A28XA6 via filtercons ) 0DET NOTE: Leading zeros on component number references may be disregarded.
  • Page 196 A6 COARSE LOOP DIVIDER PCB PARTS LOCATOR 2F COARSE LOOP COARSE LOOP DIVIDER CLRTN CL ERR 2F07. Figure A6 Coarse Loo p Divider PCB Parts Locator Diagram (Rev. G) 6700-D-31806-3 2F-14 67XXB M M...
  • Page 197 +SYD +5VD �y c 2. �·' +5) D U I;._ )'\\ (:;, CL DA.TA, 4 PL CL Cl K �D.I ""70 CL IF .. K � U I O ,1)7 v �. �10 7'+ I(, Cl'l CL RTN + SVA SPARES MCI0/05 711-HC/4...
  • Page 198 ·& -4- SV ' 'L"3V o . � RN2. 't l'L C I U .. G.Z. D� t L K U3& - I '+ MCIOl3& MC.101!5 4.3V +s v +SVA RN 2. 4 l'L MC.1 0 1 0 5 U? QO 0 f.
  • Page 199 +5VA. ¢ + s " "' DE.TEI �0.1 C 2. 2. 1B I �1!17 MB050 1 M13050 1 M ii z. ) + I S V R. '3 .3 of.5 V C2. 3 14.'+Z. K + S Y "- C 2. I Z.
  • Page 200 .3.01 1<. C 2. 6 1 2.0 PF t I S \/ C Z.'+ R .'U R l 8 1 00 2.0.S K LT I 007 i · C 2 ' R 3 !l 2'+. � K "o"' -151/ C 3 1 39 0 f'F AZB X f>...

  • Page 201: Fine Loop Assemblies: A9 And All Pcbs

    2G-FINE LOOP: A9 AND A1 1 PCBs 2G-2 FINE LOOP ASSEMBLIES, OVERALL DESCRIPTION Refer to the block diagram (Figure 2G-1) for the following discussion. The fine loop comprises the 2G-1 FINE LOOP ASSEMBLIES: Fine Loop Oscillator PCB and the Fine Loop A9 AND All PCBs Divider PCB.

  • Page 202: A9 Fine Loop Oscillator, Detailed Circuit Description

    A9 FINE L OOP OSCILLA TOR, DETAILED CIRCUff DESCRIPTION 2G FINE LOOP sor PCB via the Al 7 PCB's DVM circuits. This volt­ Reference voltages for the shaping diodes, CR5- age may be displayed on the synthesizer's front CR10 are supplied by U2A and U2B; diode emitter LEVEL panel display as an aid in troubleshooting.

  • Page 203: All Fine Loop Divider, Detailed Circuit Description

    FINE L OOP DIVIDER, 2G FINE L OOP DETAILED CIRCUIT DESCRIPTION 2G-4 All FINE LOOP DIVIDER, FLO 12, also from the AS PCB, is the only All PCB DETAILED CIRCUIT DESCRIPTION control signal that is not sent serially. It is normally low and goes to a 'ITL high only at Fine Loop oscil­...

  • Page 204: . 6 Notch Filters

    FINE LOOP ASS EMBLIES, TROU BLESHOOTING 2G FINE LOOP provides one output pulse for every two output pul­ an ac signal to be injected for testing of the notch ses from U3. If US is programmed to load a count of filters or for exercising the phase-lock loop.
  • Page 205 2G FINE LOOP FL DATA FL CLOCK 1 0MHz (FROM A1 0J1) L HI RES EN (FROM A1 6 FM PCB) 67XXBMM...
  • Page 206 FINE L OOP BLOCK DIA GRAM 1 00 (TO A25 SWITCHING POWER SUPPLY PCB) 2G-2. Fine Loop Diagram Figure Block 2G -5...
  • Page 207 • • ""' - 5 dBm - 5 dBm ""' (FL RF to (FL RF to A1 1 J1 ) A12J1) -2.2V @ 200 +0. 7 V @ 321 +3.0V @ 200 +9.0V @ 321 between GND G when <I> locked P 0 1 A28XA9 via filtercons )
  • Page 209 + 1 5V CD p l l K 5 1 1 + 1 sv CD R 1 7 T U N I N G S H A P E R 1 . 47K R l B FD300 � 2 . 37K 4 .
  • Page 210 + 15V 2 0 0 - 3 2 1 M H z D S C + 1 5V +15V B U F F E R A M P 200-321 MHZ -5 dBm FL RF TO A 1 1 J1) 1BOPF CR12 J310 5 .
  • Page 211 10 MHz ... - 2d8m 1 OJ1 ) (From A A28XA 1 1 via filtercons) FL RTN NOTE: Leading zeros on component number references may be disregarded.
  • Page 212 2G FINE LOOP FINE LOOP DIVIDER PCB PARTS LOCA TOR DIA GRAM A1 1 FINE LOOP DIVIDER Figure 2G-5. All Fine Loo p Divider PCB Parts Locator Diagram 6700-D-31711-3 (Rev. K) 67XXB MM 2G-8...
  • Page 213 F L D +sv® A 2 8 X A l l �O. t C <- R A 2 9 X A \ I DA TA tf,, 11 1 1) 74HC / 6 4 +S'V@ � R A C T I O N A L 7 CO N T RO L �O.! Cl/- Ct.<!
  • Page 214 • • +sv @ C t. � � 0.1 0. 1 · - · � II . l> Ct.O � 7d.4Sti Ci.b > I 7./!J(,. 14S;;" 0. 1 �· ()./ + o i+- 7'fS l l Z. 100 K H l "' Z/IC..
  • Page 216 A 2 8 X A l l �>4- R E F I 0 0 k H z + s v0 (,04/C s. tbK. 1( 1 6 3. 16 1:. !(ZI 7. Z3K R 2 4 C 2 6 Si l 22 00 pF zzcof' F �Z3...
  • Page 217 2H-YIG LOOP/ FM MODULATION 2H-1.l Loo p /FM Subsystem Overall SUBSYSTEM: A12 AND A16 PCBs Functional Description The YIG phase-lock loop portion of this subsystem is used to fine-tune the YIG-tuned oscillator to the exact output frequency entered by using the front 2H-1 INTRODUCTION panel keys or via the GPIB.
  • Page 219 2H YIG LOOP/FM A 12 YIG PHASE DETECTOR PCB CIRCUIT DESCRIPTION The field produced by the YIG-tuned oscillator's signal from Ul goes to U2, which is another divide­ coil interacts with the magnetic field that by-10 counter. The 2-3.21 MHz TTL signal from U2 results from the current flow through the YIG­...
  • Page 220 A 12 YIG PHASE DETECTOR PCB CIRCUIT DESCRIPTION 2H YIGLOOP!FM troubleshooting purposes. These codes are listed in MOD and MOD REF phase modulation Table 2-2 located in the front portion of Section 2- signals from the A16 FM board are filtered by the System Description and Troubleshooting.
  • Page 222 A 16 FM PCB CIRCUIT DESCRIPTION 2H YIGLOOP/FM The FM integrator circuits amplify the FM modula­ rectified by CR27 and CR28 and go to comparator, tion signal by a factor approximately equal to the U27 A. When U27 A switches states, a DC level is fed YIG phase-lock loop gain factor and with the same back to U19B via CR26 which forces the YIG-tuned response characteristics.
  • Page 223 2H YIG LOOP/FM A 16 FM PCB CIRCUIT DESCRIPTION The processed phase error signal at the output of The output of U24 goes to the input of the FM Sen­ U23 is connected to the divider/filter network com­ sitivity DAC, U20B. The outputs of U24 and U20B prised of R74, R72 and C34.
  • Page 224 A30/A31 ASSEMBLIES CIRCUff DESCRIPTION 2H YIGLOOP/FM 2H-5.4 Limiter Circuit When the RF output frequency is tuned to an exact multiple of the Coarse Loop signal that drives the The signal from the low pass filter goes to emitter plus step recovery diode 20 MHz, the resulting out­...
  • Page 225 2H YIG LOOP/FM 20-32.1 YLO ERR 321 MHz --�;;o1 FROM A9 FINE LOOP OSCPCB 9J MOD 20-32.1 llHz-�""" "" "" "= ' FROM REAR PANEL HIGH-RES INPUT 67XXB MM...
  • Page 226 YIG LOOP/FM OVERALL BLOCK DIAGRAM • MHz HARMONIC COMB SIGNAL COIL _________ PIO CONTROL MODULATOR(S) MAIN TUNING COIL FROM A17PCB (:t.SOMHz) SWEEP (< FROM A17PCB SOMHz) Figure2H-l. Overall Block Diagram ofYIG Loo p/F M Modulation Subsystem 2H-9/2H-10...
  • Page 227 2H YIG LOOP/FM FPFM ( F RONT PANEL) RPFM (REAR PANEL) FM ATTN CONTROL : : : . r :: / : J : : : : · LATCH L HI RES ENBL : · = < ;:: : : : : : : : : : ::: : : : ::: : ::: : : : : : : : : : ::: : : : : : : : : : : : : : : : :::::: : : : : : : : , ,:,:: : : : : : : : : : : : : : : : ::: : ::, : >:':':' : ' : ':'i'i':'i':':':':':':�...
  • Page 228 FM PCB Overall B lock Diagram FM PE AK DETECTOR FM LEVEL TO A17 PC B 40d B PHASE PHASE MOD ATTN PEAK PHASE DETECTOR MOD LEVEL U13-U17 TO A17 PC B U12,U13 i � j j � OVER MOD CUTOFF PHASE MODULATION...
  • Page 229 20·32.1 MHz 20. 32.1 MHz =-2 dBm (External Synth. (IF from A30 Input from Rear Sampler/ Panel BNC IF Amp) 200. 321 MHz 20. 32.1 MHz ..s dBm (FL RF from (IF TEST PORT) A12J1) =-2 dBm (To A28XA 12 via filtercons)
  • Page 230 A12 YIG PHASE DETECTOR PCB PARTS LOCATOR 2H YIG LOOP/FM PHASE DETECTOR Figure 2H-3. Phase Detector PCB Parts Locator Diagram 6700-D-31712-3 (Rev. F) 67XXB MM 2H-12...
  • Page 231 �sv ft . 1 � C.I:. �.01 PE I PE.l .J I E.lLO. ELLO. V£f VE£ SP 8(, , 8 0 '128 �2 1.,, EXTERNl'\L S.llK C 1 7 HIGH R.£.SOLUTIDN IN. o . � AMPLI Fl ER RIG, 3 01 VNIOK 7'fALS 20-32.1...
  • Page 232 A28 XAl2 + s v �>r+-YL +s v 90.'JK +IS V 1�.C.. K + SV R2 5 4.B7K 4.B7K .¢ 3 � 0 pf ¢'ERR(-) )�YL •SV R2 G> ¢ERR REF �' R'27 �SE '22. UENCY 2'2.C.. K ECTOR R 39 2.74 2.74K C2'"=>...
  • Page 233 TEST POINTS <!> GND G Not Use1 GND G FM ATTEN DAC OUT TP10 ATTEN FM S EN TP11 GND G FM DEV FM(+) TP12 FALSE LOCK DET OUT All test point measurem ents are made with reference to GND G (T P1 or T P9). TP1-4 TP5·8 TP9·12...
  • Page 234 2H YIG LOOP/FM A16 FM PCB PARTS LOCATOR DACOUT LIMITER OUT Figure 2H-5. A16 FM PCB Parts Locator Diagram 6700-D-31716-3 (Rev. J) 2H-14 67XXB MM...
  • Page 235 I NPUT 8vFF£R. � FILT€1i.. +'l.'+V CR.1 F0300 /01( NE5532 F P t IN PU T �3'-+<J- --/\ /\ ft5V<J) Ft;,300 -ISV<J) SHIELD Ne55.34 +'l.'IV :A'3 INPUT 5/ 1 F Nc5:532 C/' 4- FD?OO RP JCM SHIELD ,5 �uh- ' _ 3 p ,,.._ c.._ 'iii...
  • Page 236 ".'( .S +IS VC!) FD300 !<. 10 5 PD 300 --� + IS VC!) < R /11 - /5 V (J) C R 7 F0300 I 1 1< F l1 CR 6 " F!l3 0 0 -/S V@ -!SVC!) S"V(J) AT T E.
  • Page 237 y ; , J A T7 t= I / / j.) � T7F/V -t /S i./FM . . 8 7<: C R/ I 'J' ?SIA I D O - I C 7 -1s v@ i!S"V@ 1> D f, Z O I + iS V <iJ B �...
  • Page 238 b t. 2 0 1 U / 2. I> , "' /vi fl TTE/\/ - 15 11 @ U/ 4- b& 2.1) D R.3 8 R4Z. 25. 7 t: 1?3'! C l 7 ¢ /' 40i) RZ'! L F 3 5 7 7.
  • Page 239 IDO - I D 7 D A C L Mc A ST �B ---- /JAC. SENS A /T EN f-o.L.'.!.- fltf L S#l£EP £>/ -ISV© sw ..li!E.F ,;.. s ..- p L OlJ P lf!VIP [. N 1" * 5 0 ;/ ) -c r/- '( ,..
  • Page 243 YIG LOOP/FM LO IN 220 - 240 M Hz Comb ( From A31 J2) ,- - - - - - - - 20 -: Sam pl er RF IN \ _ \ \ _ Micro circui t 20-26.5 GHz 1 t- ( I F 01 Assembly* -1 7 dBm...
  • Page 244 A30 SA MPL ER/IF AMPLIFIER PCB PARTS LOCATOR SAMPLER / I F AMP 32. 1 MHz ... -2 dBm ut to A1 2J4) on opposite side) 2H·7. Sampler/IF Amplifier Figure Diagram Parts Locator (Rev. E) 6700-C-31730-3 2H-19...
  • Page 245 440 - 490 MHz ::= -3 dBm VTO from A4J1 ) The step-recovery diode microcircuit connects at this point (part of connector assembly)
  • Page 246 A31 POWER AMP IMUL TIPLIER PCB PARTS LOCATOR 2H YIG LOOPIFM POWER AMP I MULTIPLIER Figure 2H-8. A31 Power Amp/Multiplier PCB Parts Locator Diagram 6700-C-18664 (Rev. I) 2H-20 67XXB MM...
  • Page 247 + /SI/I + /11- V 67XXB MM...
  • Page 248 'f'KE4MP A30 SAMPlERll F AMPLIFIER SCHEMATIC NOTES: (D), UNLESS OTHERWISE SPECIAED, (µF), RESISTANCES ARE IN OHMS (µH). CAPACIT ANCES ARE IN MICROFARADS + / <I V INDUCTANCES ARE IN MICROHENRIES + / 'I V 2. GROUND SYMBOLS USED ON THIS ASSEMBLY ·...
  • Page 249 ,;::: :. � 0- 1 L- 1 ))1- --i= ==� ..· "? " � f"t C L 'FT" C ¢ d l3rn 4 4 C - 4 'i C F R O M A4 J I .C.. 4 IOOO f"'\'. 12"...
  • Page 250 POWER AM P PR E - A M P ,.,,_ � l " Z '' .76'" L.. � + 1 ..;.v Fiiure 211 · 10. A31 Power Amp/Multiplier PCB Schematic Diagram (Sheet 1 of 1) (Rev. E) 6700-C-18664 2H-22 67XXB M M...

  • Page 251: Analog Instruction Assembly: A17 Pcb

    21-ANALOG INSTRUCTION: A17 PCB 21-2 ANALOG INSTRUCTION ASSEI\ffi L Y, OVERALL DESCRIPTION Refer to the block diagram in Figure 2I-3 for the following discussion. The Analog Instruction as­ 21-1 ANALOG INSTRUCTION ASSEI\ffi L Y: sembly consists solely of the Al 7 Analog Instruction A17PCB PCB.

  • Page 252: 21-3.1 Microprocessor Bus Interface And Internal Data Bus

    The DVM and MUX control latch, Ul , controls the PCB and various analog circuits. analog multiplexers U7, U9, and Ul3 and the DVM's analog-to-digital converter (A DC), U3. The power WILTRON • Power Meter- U sed with a 5 60 series...

  • Page 253: 21-3.2 Ramp Generator

    ANALOG INSTRUCTION A 17 ANALOG INSTRUCTION, DETAILED DESCRIPTION R22. This prevents the output of U19B from going 21-3.2 Ramp Generator to the supply rails when not being used. The Ramp Generator circuit consists of the Sweep Time DAC, the Ramp Integrator, the Marker-Switch The sweep ramp output of the Ramp Integrator goes Point DAC, the Marker-Switch Point Comparator, to U26, pin 2 as an input to the Marker-Switch Point...
  • Page 254 A 17 ANALOG INSTRUCTION, DETAILED DESCRIPTION ANALOG INSTRUCTION d. Ramp Control Logic At the end of the dwell, the A23 Microprocessor PCB sets the Marker-Switch Point DAC to the value for The Ramp Control Logic circuitry determines when the next dwell. This value depends on the syn­ the ramp is in the sweep, retrace, or dwell mode.

  • Page 256: Frequency Instruction

    A 17 ANALOG INSTRUCTION, DETAILED DESCRIPTION ANALOG INSTRUCTION Microprocessor PCB and outputs a �F ramp voltage When broadband analog sweeps are selected-such via U39. The DAC reference input, at pin 13, is a as 2 to 20 GHz-the slope of the �F ramp is insuffi­ -lOV-to-+lOV �F ramp from the Ramp Generator cient to cover the frequency range of each of the circuit.
  • Page 257 21 ANALOG INSTRUCT/ON A 17 ANALOG INSTRUCTION, DETAILED DESCRIPTION U36A and U36B, are open and an analog switch on the A16 PCB is closed. The Tune DAC sets the volt­ age for the center frequency of the narrow band :::> sweep and the CW fi l ter (located across the main tuning coil) is enabled .

  • Page 258: Power Meter

    A 17 ANALOG INSTRUCTION, DETAILED DESCRIPTION ANALOG INSTRUCTION Table 21-2. DVM Channels and Their Functions Multiplexed Inputs Inputs (to DVM) Measurement/Monitor Functions Reference Loop Measures the phase lock condition of the reference loop from A7. Coarse Loop Measures the phase lock condition of the coarse loop from AS. Fine Loop Measures the phase lock condition of the fine loop from A11.

  • Page 260: Analog Instruction Assembly, Troubleshooting

    A17 ANALOG INSTRUCTION,TROUBLESHOOTING ANALOG INSTRUCTION led b y the A23 Microprocessor PCB during during calibration of the detector head itself. The housekeeping. output of U45C changes with the calibration resistor value. This voltage change, V dBm, is sent to the Al 7 PCB's DVM through U13 and is read by the A23 b.
  • Page 261 21 ANALOG INSTRUCT/ON 00-7 · · · · 1 1 1 ! · · · · · DATA B US , ,,,:,:,:,:,:,:,:,:,:,:,:i: : :: : ::, . , . INTERNAL ADDRESS LS B DECODER AND MUX CONTROL LATCH DAC REFERENCE +/- LGAIN =4 :::: SAMPLE/...
  • Page 262 A17 ANALOG INSTRUCTION PCB BLOCK DIAGRAM LBAND1 +/-10V LBAND2 REFERENCE -10VT +10VT LBAND3 DRIVER SELECT LBAND4 LATCH HCWFILTER L RF OFF +10V REFERENCE TUNE TUNE TUNE TO YIG DRIVERS SWEEP TIME HRETRACE - 1 0V RAMP L DWELL ENABLE CONTROL DWELL L CLEAR DWELL LOGIC...
  • Page 263 GND G FM SW P TP 9 DVM EXT INPUT GND G TP 3 TP 10 20V .1F V DET TP11 TUNE DAC OUT V TH TUNE TP12 V dBm TP13 SWIT CH POINT DET OUT Not Used TP 7 LINEARIZER DAG OUT TP1-13 TP2, 10, 11, and 12 measurements are made with reference to GND G at T P1.
  • Page 264 A17 ANALOG INSTRUCTION PCB PARTS LOCATOR DIAGRAM ANALOG INSTRUCTION ANALOG INSTRUCTION Figure 21-4. Al 7 Analog Instruction PCB Parts Locator Diagram 6700-D-31717-3 (Rev. N) 67XXB MM 21-12...
  • Page 265 svµ., +\OY REF 2_ U2.. �5\J 7i+i-!C. 373 V' o. 1 Q O z. I.DO -:;.I :r. 0 1 ' :;) I >-- "" - - - � 0 "I D 2 '\. � ::)<.. ID:!> "'- � " "­ :.
  • Page 270 + I S V T (g) LT \ 0 0 7 © - 1 5 V T © 30 . l l'., 0.1 1. Z. 5 3 0 . I 1-', 1 2.S 0.1 % R <::> 2 _,. 1'5Y T© P P H P PH , I 0 1-'\JC.
  • Page 271 L I OC>X A \ O X. I "-. \ CO X. I =><- I X. J 4"'A DE-Tee.TOR A MP �-Z O \ - I SY (i) 'O l . 6 K SO P PM "lea<::. 1,;-1 0. / -;, PW�...
  • Page 272 R A N G E S E L E C T U4'? '0 DG-Z.01 P..ei ? fZ,f!><Q 1 1 0 SOP PM °f'o 0. 1 °lo 0. / R8 "Z.. 50f'f>M \ O K '::> D Pf'M 0. 1 °lo C.FI, 1 U:>...

  • Page 273: Introduction

    2J-YIG DRIVER SUBSYSTEM: 2J-2 YIG DRIVER PCBs, CffiCUIT A18·A21 PCBs DESCRIPl'ION The following paragraphs describe the circuitry con­ tained on the A18-A21 YIG Driver PCBs. Refer to the block diagram (Figure 2J-1) and the schematic 2J -1 INTRODUCTION (Figure 2J-3) during the following circuit descrip­ This section contains service information for the tion.

  • Page 274: 2.3 Main Tuning Coil Driver Circuits

    YIG DRIVER PCBs, CIRCUIT DESCRIPTION 2J YIG DRIVERS whenever the H CW FILTER control line is in the When operating in the CW mode, or with sweep high state. This feedback signal cancels the mag­ widths less than 50 MHz, control line H CW FILTER netic coupling between the coil and the main is set to the high state.

  • Page 275: Yig Driver Pcbs Troubleshooting

    2J YIG DRIVERS YIG DRIVER PCBs TROUBLESHOOTING sembly. When the synthesizer is operating in the 2J-3 YIG DRIVER PCBs 0 .01 to 2 GHz band, the A23 Microprocessor PCB TROUBLESHOOTING sets control line L DOWN CONV SEL low (via the Ref er to the troubleshooting information located in A29 Rear Panel Interface PCB).
  • Page 277 OVERALL YIG DRIVER PCB BLOCK DIAGRAM COIL CURRENT SENSE MAIN COIL ··-· -··-··-·· ··-·- DRIVER (. ) ( +) TUNING COIL ( · ) � MAIN TO CONTROL : TUNING MODULATOR COIL ASSY ...± 1 5 � MAIN COIL CURRENT VOLTAGE SENSE SWITCH...
  • Page 278 TP1·13 LED CR22 __..._ (Is used in circuit as RBO* a 1.2V Zener diode) TPO! �: y:o:�: :1m "'"' � B� � A18A1 w��1 A19A1 VIG DRIVER TRANSISTOR PCB A20A1 A21A1 (Front) 1 HEAT SINK (Back) 2 (To A28XA 18, XA 19, 4C ASSEMBLY XA20, or XA21) (REAR VIEW)
  • Page 281 �2 p 1 2 /()0 !'lb f () P(o Az.8 C.,,_ /ll O THE R 80/f<RO Rl.3 4.f lK C/f./ ' "' ""'" !NH �& !NI#' CA.� li'2 '"'�" INl-#46 /Al�"' T/P/15 R t 7 4-4t K. c :a · �...
  • Page 282 c·� YIG Tu: TES T 5.DIK -1-- I S VM ''":. ::, IClD c. 2 0 c2 2 O .\ ·C& '::6 2 0 �*I� =< 4 z 8 4 7 - ! S V ,---V v - ·::i· .. R4 4 �- +vP::=r-1...
  • Page 283 'A� IN CC " , t' · • ..• ..� .• k/.'.. � �f§; �: � ''.�; �:IA.2 Ci'1� Z_ ::-:::i -� � MA1N CC,L (-) :< CR\I I"': I 2_ �· ,:: p.
  • Page 284 + z.z v .;i;O. +15 VB 1''64 �---· -2/61 >-- " '\/\. \r--- -' '�/(1 TL014 C-!°Jo R7Z. /0/( v� 4 >IA o. ! °lo ' 53� CRZO, "1BD501 il SU) II 538 L RF OFF BllN" St:-ll�C T €/'/ DbSO'I -/5 VB (/12 7...

  • Page 286: 2K-Alc/Pulse Modulation

    2K-ALC/PULSE MODULATION diagram and partial schematic diagrams for the A29 SUBSYSTEM: A15, A13, AND A29 PCBS Rear Panel Interface PCB are located in this section. Refer to Section 2-Inputs/ Outputs for complete schematics for this PCB. 2K-1 ALC (AUTOMATIC LEVEL CONTROL) 2K-l.1 PULSE MODULATION PCBS Overview of ALC Loop Operation...
  • Page 288 P ULSE MODULA TION ---------------------------------------------------------------------------------- , ---- P/0 A15 PCB BUFFER EXTERNAL (FROM FRONT' REAR PANEL) ALC REF RF LEVEL SET CIRCUITS ALC SLOPE FROM A29 PCB RANGE/LEVEL DACS - 1 0V REFERENCE SAMPLE HOLD SUMMING CIRCUIT NODE LEVEL SHAPER CIRCUITS FET SW-3 BAND...
  • Page 289 OVERALL ALC LOOP BLOCK DIAGRAM : OSCILLATOR(S) (BANDS BANDS1-4 LEVEL CONTROL RF OUTPUT TO ATTENUATOR* DETECTOR(S) MODULATOR(S) PIN SWITCH OR RF OUTPUT · BANDS 1 -4 DET (BAND-1) (BAND-0 ) *OPTIONAL ' MODELS WITH .01·2 GHz ONLY ' ·-··- ·-·· -··-··- -- -·...

  • Page 290: A 15 Alc Pcb Functional Description 2

    A 15 ALC PCB FUNCTIONAL DESCR IPTION AL CI PULSE MODULA TION Relay Table 2K-2. Operation The EEPROM data includes ALC slope range set­ FUNCTION K1 STATUS tings for the CW and stepped-sweep modes. Also included are two additional settings for the ALC CW (no AM or Pulse modulation) CLOSED Range DAC that are used only in the analog sweep...
  • Page 292 A15 ALC PCB BLOCK DIAGRAM BAND 1 -4 DETECTOR THERMISTOR ALC MON 1 ANALOG U14D ALC MON 2 .AM DETZERO IUX AO IUX A1 .VL DIP IUNLVLD LO ALC REF RANGE L FXD GAIN DATA L EXT PWR MTR COMP U19A LATCH L EXT DET COMP...

  • Page 293: External Alc Gain Cal

    A 15 ALC PCB FUNCTIONAL DESCRIPTION AL CI PULSE MODULA TION 2K-2.7 External ALC Gain Calibration initial measurement of the internal detector sig­ nal as described above. The input voltage at the EXT LEVEL input connector varies over a large range. The main microprocessor 2K-2.8 software includes a procedure for adjusting the ex­...

  • Page 294: . Ll Unleveled Logic Circuits

    2K AL C/PULSE MODULATION A 15 ALC PCB FUNCTIONAL DESCRIPTION 2K-2.10 Summing Node). The ALC loop error voltage is ALC Level Amplifier zero when the ALC loop is balanced. The first stage of the ALC level amplifier is opera­ tional amplifier U40, which drives output transis­ Sample/Hold Circuits tors Q28 and Q29.

  • Page 295: A 13 Pulse Generator Pcb Circuit Description

    A 13 PULSE GENERA TOR PCB CIRCUIT DESCRIPTION 2K ALC! PULSE MODULA TION NOTE: (Figure 2K-3) and to the A13 PCB schematic (Figure 2K-6). Only those units that are equipped with a frequency down converter have two level detectors. 2K-3.1 Pulse Generator Circuits a.

  • Page 296: 3.2 Source/Mode Select Control Circuits

    2K ALC PULSE MODULA TION PULSE GENERA TOR PCB CIRCUIT DESCRIPTION In the external ttriggered mode, the external The output of the Pulse FF is routed via buffer gate U26A to the rear panel PULSE SYNC OUT ­ pulse source signal is synchronized with the in­ PUT connector.

  • Page 297: Pulse Modulation Pin Drivers

    A29 REAR PANEL INTERFACE PCB CIRCUrrs DESCRIPTION 2K ALC PULSE MODULA TION 2K-3.3 Pulse Modulation PIN Drivers 2K-4.1 V/GHZ DAC Circuits The output of U31 also goes to the Pulse Mux circuit The data for V/GHZ DACs, U13 and Ul5 are latched composed of gates U35A-U35D.
  • Page 298 2K AL C I PULSE MODULA TION 10 MHz PULSE CLOCK CLOCK 1 MHz RE PETITION DIVIDE SELECT FREQU ENCY CIRCUITS 10 MHz CIRCUITS 100 KHz COUNTER FROM U141 U4-U6 1 KHz A10 PCB U3, U15 U11 -U13 EXTERNAL PULSE ::: :: SYNC >...
  • Page 299 A13 PULSE GENERATOR PCB BLOCK DIAGRAM ULSE IURCE PULSE :LECT START S,U2B, U27A PULSE •:::. U28A PULSE SYNC TO REAR PANEL GATING GATING EDGE EDGE CLEAR U25B U25B DELAY SAMPLE/HOLD TO A15 PCB BAND 1 TO SAND MODE DRIVER CONTROL MODULATOR SELECT PULSE CIRCUITS...

  • Page 300: Alc Loop Rf Microwave Dec K Components

    ALC L OOP RF MICROWA VE DECK COMPONENTS 2K ALC PULSE MODULATION • Offset Current Source Circuit- This circuit is ator PCB is applied to the Pulse modulation PIN composed of DAC U38A, U39B and transistors diodes. These PIN diodes provide the level control Q20-- Q 22.
  • Page 301 2K ALC I PULSE MODULA TION 0 - 1 0 V RAMP FROM A 1 7 PCB DATA LATCH FROM A23 PCB: , , ,, , ,, , , , ,:,:,:,.: , DATA DO · D7 V/GHz SLOPE ADDA U1 3 LPA20 ">---I ADDR ESS DECODER/...
  • Page 302 A29 REA R PANEL INTERFACE PCB BLOCK DIAGRAM TO REAR PANEL (VIA A27 PCB) PIN ORV 8-1 2 1 2 .4 -20 PIN ORV 20 -26.5 VOLTAGE LIMITERS Q33/Q34 26.5 -40 PIN ORV 2K-4. Figure Block Diagram of ALC Loop Circuitry Located on A29 Rear Panel Interface PCB 2K- 13...
  • Page 303 SAMPLE HOLD FP P LS. IN RP PLS IN SAM PLE HOLD (From front (From rear (To A1 5 J1 ) (Sam e as J2 out) pane1 q pan BNCJ P 0 1 (To A28XA 1 3 via filtercons) PRF CLK PW CLK PG RET GND G...
  • Page 304 2K A L C I PULSE MODULA TION A 13 PULSE GENERATOR PCB PARTS LOCATOR DIAGRAM Control Modulator Drive Signals PULSE (To RF Deck) GENERATO R Band 1 Band 2 Band 4 Band CM DR CM DR CM DR CM DR - 5 V +3.8V Supply 1 .2V Supply...
  • Page 305 � s v + 5 V + S-/ l(: (o � ".) I I v � � 'l. "I '1.1-,.:,"104 c c £ F R E Q U E NCY D I V I D E R S L t> M H z /)I/ ""...
  • Page 307 b l \J I D E D PR F C L K i / '3 .D � s v + s v P l!.. G. � �o \lo' I ' 2 U 3 8 Z e l 7�AL':.1"1 AS l BS l d JZK.
  • Page 308 L P R F C N T R L D C lfl '" �0.1 I K. l> ' N e t!lR 74/ILS 74 7 '+ !>.L S ?> 8 ./ S V PU LSE S TA R T F L I P F L O P P W C N TR P U L S E FLI P F L O P...
  • Page 309 us I - 5 1/ - S I/ ,,,:�:c J 3� . PL '5 6EE NOTE -- .tiiS o z. _ /, J V -f 5 tl !< 3 (, R 3o )I. I - S V - 5 V ::O f ______________ _ - 1s vA...
  • Page 311 7'1AL.S + 5 V 014- ZN �IZZ + 5 V J! s 7 SI. / _ 5 V a 2 0 ktJ4 / Z Z + /. z v C 53 0. / - SV 67XXB MM...
  • Page 312 C.ON Tl'?O l. !'1 0 D U L A TQR. Df'/. I V E B A J.J D 3 C O N T/i.O L MODULATOR) � I. C52. 2 1/ M81) 5 0 / cJZ;g 0. 1 . 15 C.DNTROl !10DULA TOR 13/\N D 4 (.O,NTROL.
  • Page 314 A 15 ALC PCB PARTS LOCA TOR DIAGRAM 2K AL C / PULSE MODULA TION SAMPLE/HOLD (From A1 3J2) R107 BAND 1 -4 BAL � D cj>BAL =>-MAX =>-- N ORM NORM MI N =>-MI N Jumper Position 2K·7. Al5 ALC PCB Figure Parts Locator Diagram 6700-0-31915-3 (Rev.
  • Page 315 � 5 2.. 0 . 1 IA / · ) / I A :;_: I � ;:. � 1 \ 3 '" ' IA 'i D 4- Z y l 2A I / ; y ZA 2 2 Yl D "' 2/l 3 2 Y j 2 /l J...
  • Page 316 .JD O V t.f.. " !.Y T E I / L BY T E. 2. t; l Pl<£AM P Gi i L OA C A / 0 1', C: B �-*' o El(T PW E D ¥ l E X T ()IJ DATA (>...
  • Page 317 +l'� Y@ I'\") +ISV@ C. R 8 �2.8 l \.l<N4<0 1 '-l'-l U ' U \', C. R ll 1 >-l '-l U 4 <0 , N '-I U '-l cD ! 'Ko l'; +ISV@ U1'3 B DGZ.Oo A M T H R O U G H D E l EX T P W R M T R...
  • Page 318 - IS V@ C. R l 3 C R I 1\.,1'-I� I N '< '< Go C R l '-1 /t10rJ I i> A A LC S 4 A 5 3 8 S llB l! l C. MON Z. f-51/ Ell/ U IS #AJ/>...
  • Page 319 C R 3 3 D R I V E R R E L �Y N/C 7 N/C. "I /L � 2. :..L � ;..: N [ ::- -<> -t TF 2.. E. - 5 V Z H 390� B A N D D E T E C TO R P R E A M P lt,3...
  • Page 320 CJ'j • O, f EAMP � BAND . {)/ *FA C T O R'< - SEL E l TE.D V M U E 5 l:l''t§> 1 500 Cl/IZ '-10. Z I OO p F G i 'i 2N3.,04 /3ANb Pf?EA MP i- 4 R/03 Figure 2K-8.
  • Page 321 + I S V R Z Z O Z � . I 2-IO - 1 5 V • R 2.Z. 5 R 2- l '.l U 't 't 5 . 1 1 11. ; R 2.2.. I 5 . 1 1 I ll 5 1 1 N BOO�T Z.
  • Page 322 - I O V + l ':> V R l 9 CO I . Z I K R " 7 R. 2.0 0 11-2.2.8 3 1 f, i.01 2 K. C. 11 7 R 2 0 1 T L 0 7 2. � C: S G �...
  • Page 324 PREA MP l/P.. L U E 5 *FAC T O R'f - SE.L E. lTE.O IS"'@ IOO p F 1 500 s o . 9 n. 270 p F LIO. 2 It:. G l '"I 2'-134'04 8"'1ND P,t:(EAMP 1-4 BAJ.. Rt03 Q l fL>...
  • Page 325 F X D G l'. I N L < T 1-"v\ "" �\T P C llv\i' D t:. 1 [ Qt,,\P E_ X T P U L S E. r c :'l1 r L I P LV L S P A R E S + s v +s v R l 5 7...
  • Page 326 � U 3 B C - 1 s v @ + 1 s v 06 Z.O I ® +C <> S E X T P W R M T R U 3 8 B O G Z O I D 'E.T E 'X..
  • Page 327 REAR PANEL INTERFACE (As viewed from bottom of instrument) ATTEN UATOR DRIVE J 1 1 ATTENUAT ( To Optional Attenuator) (Optional) (Opt 1�1 1�1 and/or BAND 0 BAND 1 FIL TEA DRIVE MOD DRVR (To A28J 1 4 (Used in all units with via ribbon cable) a 2-8 band)
  • Page 328 A29 REAR PANEL INTERFACE PCB PARTS LOCATOR DIAGRAM 2K ALC/ PULSE MODULATION REAR PANEL INTERFACE (Bottom Side) (To A28J23 (To A28J1 9 via ribbon cable) via ribbon cable) SAMPLER SWITCH DRIVE (Used in all multi-band units) 2K-9. A29 Rear Panel Interface PCB Diagram Figure Parts Locator...
  • Page 329 00-07 1/AB vc c LATCH 1 STRB l /FB HC374 > +5 V @ H OR I Z D A C VCC VRF 1 00 1 0 1 U l O D T 1 C A 1 2 1 2 MBD50 1 WA l STAB RAMP OUT STRB C S L...
  • Page 330 ALT 1 DAC A/DAC SPARE OUT 1 SPARE OUT 2 SPARE OUT 3 - 10V REF + 15VA HCTOO 4B . 7 1N751A +15VA @ + 15VA @ U 12A DG201 10V HORIZ OUT 5 . 1 1K CR13 � 1N759A - 1 5VA @ - 15VA @...
  • Page 331 + 1 5VA IDO-ID7 2/G9 �o v c c 04 DO ClO 05 Cl l 06 > 1/GB SELECT U 37 STAB HC374 + 1 5VA -10V REF 2/89 1N4446 VCCVRE O . l CR5 1 RFA 03 Cl21 D l U3B 2N290 D2 AD752B CR50...
  • Page 332 VN10K . 0 1-8 PIN ORV SHIELD SHIELD VN10K 8-12 PIN ORV SHIELD SHIELD VN10K 1 2 . 4-20 PIN ORV R 100 SHIELD SHIELD VN10K 20-26 . 5 PIN ORV SHIELD SHIELD FD300 + 1 5VA R167 4 . 99K Q 3 4 + 1 5VA 2N3906...

  • Page 333: Rf Microwave Deck Assembly, Overall Description

    2L-RF MICROWAVE DECK 2L·2 MICROWAVE DECK ASSEMBLY, OVERALL DESCRIPTION Refer to the block diagram in Figure 2L-2 for the following description. 2L-1 MICROWAVE DECK ASSEMBLY This section contains service information for the The primary purpose of the RF microwave deck as­ microwave deck assembly and its component fre­...
  • Page 334 RF MICROWAVE DECK ASSEMBLY, OVERALL DESCRIPTION 2L RF MICROWAVE DECK Table 2L-2. Microwave Deck Configuration by Model Number Frequency Band(s) Installed Model Number Band Band Band Band Band Band Band 0.01-2 GHz 2-8.4 GHz 8-12.4 GHz 12.4-20 GHz 18-26.5 GHz 26.5-40 GHz 40-60 GHz 67098/67098-40...

  • Page 337: Down Converter

    2L RF MICROWAVE DECK FREQUENCY BAND 5, CIRCUIT DESCRIPTION the switch is received from the PIN switch driver on tor. When operating in the frequency range of 2 to PCB. 8.4 GHz, the portion of the RF output detected and coupled out to the A15 ALC PCB provides an input During frequency band 0 operation, the modulated to the ALC loop .

  • Page 338: Rf Output

    FREQUENCY BAND 6, CIRCUrr DESCRIPTION 2L RF MICROWAVE DECK BAND to the Frequency Doubler/Amplifier/Modulator. The 2L-6 FREQUENCY 6, CIRCUIT Frequency Doubler/Amplifier/Modulator is powered DESCRIPTION on by the A20 YIG Driver PCB. The modulated RF Frequency band 6 (40 to 60 GHz) RF signals are signal is doubled in frequency to 26.5 to 40 GHz.

  • Page 339: Rf Microwave Deck Assembly, Troubleshooting

    2L RF MICROWAVE DECK RF MICROWAVE DECK ASSEMBLY, TROUBLESHOOT/NG 40 to 60 GHz. The modulated signal output from 2L-7 MICROWAVE DECK ASSEMBLY, the frequency trip ler is sent via the W R - 19 TROUBLESHOOTING RF OUTPUT waveguide to the connector.
  • Page 340 2L RF MICROWAVE DECK SAMPLER PIN SWITCH DPDT PIN SWITCH 13.25 • P UL SE SWITCH CONTROL INPUT � VIG OSCILLATOR 18 - 26.5 FM Ill> Tune Bias (Required with VIG OSCILLATOR Frequency 12.4 - 20 FM ... Doubler) Tune B ias HIGH POWER VIG OSCILLATOR...
  • Page 341 RF MICROWAVE DECK BLOCK DIAGRAM : : ! l FREQUENCY DOUBLER I ll ����� MAIN AMPllFI ER/MODULATOR 0 GHz Models BAND 5 (26.5 40 GHz) • GHz LPF 26.5 GHz LPF 20GHzLPF 8GHzL PF INPUT � : ! : BAND 4 (18 26.5 GHz) •...
  • Page 342 2L RF MICROWAVE DECK PARTS LOCATOR DIAGRAM (CONNECTOR LISTING) RF Microwave Deck Connections Table 2L-3. Diagram Number FromfTo Connection Purpose A28J22 to A31 Power Amolifier/Multiolier PCB + 15V LP Power A28J21 to A30 Samoler/IF Amolifier PCB + 15V LP Power A28J20 to Microwave Deck Thermal Shutdown Switch Thermal Shutdown A29J9 to SamolerMux PIN Switch...
  • Page 343 2L RF MICROWAVE DECK GHz YIG Oscillator 12.4 - 20 GHz Dual Isolator 12.4 - 20 GHz Control Modula 12.4 - 20 GHz Amplifier 12.4 - 20 GHz Amplifier 8 -12.4 Output Mux PIN Switch GHz Modulator 8 - 12.4 with Low Pass Filters Attache GHz Dual Isolator 12.4...
  • Page 344 PARTS LOCATOR DIAGRAM (TOP VIEW) NOTES: This diagram reflects a typical 6759A having 5 frequency bands 18 -26 . 5 GHz Amplifier Band - .01 to 2 GHz 18 - 26.5 GHz Control Modulator Band4 Band 1 -2 to 8 . 4 GHz Ba003 18 -26.5 GHz Dual Isolator Band 2-8 to 12.4 GHz...
  • Page 345 Location of Optional Attenuator ,... - ---- ---- -;-; 1 ,- r r" � � � � r � - Level Detector Location of LevE in Instruments with Op...
  • Page 346 PARTS LOCATOR DIAGRAM (BOTTOM VIEW) 2L RF MICROWAVE DECK A31 Power Amp/Multiplier Sampler IF Amplifier --- --- -, '-�=--=-" - �'""" � - ; - ---'/ t'-..r---- �l - - - - - - - J Detected RF to A 15 ALC PCB via (See Table 2L-3) Refer to Table 2L-3 for To/From Locations...

  • Page 347: Introduction

    2M-MOTHERBOARD/INTERCONNECTIONS fifth method-rigid coaxial cable-is used to inter­ A28 PCB, INTERCONNECTION CABLES connect the components located on the microwave deck. Ref er to Section 2L. 2M-3 MOTHERBOARD PCB 2M-l INTRODUCTION CABLE INTERCONNECTS This section contains identification and service in­ formation for the inter-assembly RF, control signal The following paragraphs describe the functions of and power distribution paths of the synthesizer.

  • Page 348: Wiring Harnesses/Ribbon Cables

    A28 MOTHERBOARD PCB TROUBLESHOOTING 2M MOTHERBOARD/INTERCONNECTIONS Many of the synthesizer' s front and rear panel Ref er to the su mmary diagram located at the bottom input/output signals are rou ted throu gh wi ring har­ of sheet 1 of the A28 PCB schematic set. This nesses and ribbon cables to connectors on the simplified schematic diagram shows the conne ction Motherb oard where they are distribu ted to the...
  • Page 349 2M MOTHERBOARD INTERCONNECTIONS PCB INTERCONNECT PANE l ... CONNECTIONS VIA AL TERCONS WIRE\RIBBON CABLES 10MHz COAXIAL CABLES 67XXB MM...
  • Page 350 BLOCK DIAGRAM OF 67XXB INTERCONNECTS REAR AC PWRIN LINE A23, A24 A15 -A21 ALTER CPU/ MICROWAVE DECK GPIB CONTROL PCBS > F1,F2, }----{ REAR PANEL A28 MOTHERBOARD PCB CONNECTORS A'Z'l AUX 1/0 AUX 1/0 A29 REAR PANEL INTERFACE PCB GPIB POWER METER MICROWAVE DECK Figure 2M-2.
  • Page 351 FRONT PANEL MICI RF CASTING XA3-XA14 10 MHz REFERENCE OSCILLATOR INPUT _____ DOWN SWITCH CONVERTER# FILTER -- - - - - #Units with only 0.01-2GHz DIRECTIONAL MAIN STEP COUPLER/LEVEL MULTIPLEX ATTENUATOR* OUTPUT DETECTOR SWITCH 0ptional _1 I ___________ • - - - 1 _f _:=-_:=-_:=-_:=-...=- ..
  • Page 352 SYNTHESIZER WIRE/RIBBON CABLE INTERCONNECT DIAGRAM 2M MOTHERBOARD I INTERCONNECTIONS POWER REGULATOR DIGITAL POWER CONTROL SUPPLY REAR PANEL XA23, XA22 XA15 - XA21 XA24 SAMPLER SAMPLER MULTIPLEX SWITCH POWER AMPLIFIER tTROL MODULATORS OSCILLATORS _______________ Figure 2M-3. Synthesizer 67XXB Wire/Ribbon Cable Interconnect Diagram 67XXBMM 2M-4...
  • Page 353 2M MOTHERBOARD INTERCONNECTIONS NOTE: Refer to Table 1-3 for a cross-reference to PCB assembly functions. -----·--- ·· · -· - - - · · - --··----·----· ·-----·--··--- PART OF DOWN MICROWAVE CONVERTER* DECK *0.01 TO 2 GHz MODELS ONLY 10MHz REFERENCE A31 POWER OSCILLATOR...
  • Page 354 RF CASTING COAXIAL CABLE INTERCONNECT DIAGRAM A 14 A 11 PART O F MICROWAVE DECK CONTROL MODULATORS \l/F TEST PORT HIGH INPUT 10 MHz REAR PANEL OUTPUT 10 MHz INPUT 1-----1 ...- SAMPLER � (IV ) M UTI P LEX l/F AMP .._ SWITC H...
  • Page 356 A28 MOTHERBOARD PCB PARTS LOCATOR DIAGRAM 2M MOTHERBOARD I INTERCONNECTIONS MOTHERBOARD (Bottom Side) m:m::m • • • •• F LI :: � .. "' <[ a•• • •• • • •• • • •• • • • • � .. � ••...
  • Page 357 LINE FILTER A211J26 4A SB, l!OV 2A SB, 220V INPUT � POWER •' 51-1 l!OV 220V Tl-3 2A SB REAR PANEL & 2/A9 +24V ....-..- ..... . ·.· . · · . · . · . ·. · . · . · . · . · . · . ·- - ·.· ....· · ····· · ····· · ···: · . · . · . · . · · · · · < ·. · .· : ·;· : �-: P/O A 22 REGULATOR INTERFACE +2•v1...
  • Page 358 MR824 MR824 +S65V IOOK � > IOOK -165V LINE TRIGGER 2N3694 � MR852 +30V DRIVER MR852 MR852 11500 A28.J24 P/O Ai FRONT PANEL A28J1 A2P1 A2J1 A1P1 P/O A2 FRONT PANEL CONTROL CHASSIS A211J3 A211J2 A2J1 A2P2 A1P1 4 I +24VG I 5 Figure 2M-6.
  • Page 359 2M MOTHERBOARD INTERCONNECTIONS A28 MOTHERBOARD CONNECTOR CROSS-REFERENCE Motherboard Schematic Diagram Table 2M-2. Connector Location Cross-Reference for Connector Location* Connector Location* A28XA03 A28J01 A28XA04 A28J02 A28XA05 A28J03 A28J04 A28XA06 A28J05 A28XA06 P2 A28XA07 P1 A28J06 A28XA08 A28J07 A28J08 A28XA09 A28XA10 A28J09 A28XA11 P1 A28J10 A28XA11 P2...
  • Page 360 TO REA.A ""'- '" FlP OSC CLP OSC Oli' p 1 "'-;::l. . ie� !_f': �P 4 ERA > � FP AM ERA REF � � SHIELD TO RUA � -iev � AM SHIELO T U N E •ON FIES E N L HI REAR ¥...
  • Page 361 !/El 4V G ANALOG REAR Pfrl... SPIB PROCESSOR SAHPLEA/If TOA30 J2 5 SP B c� -1!5V A 0 2' +22V +15Y 6 TO A31 -1!5V G POWER AMP + 5V LP ..Sl-PJTOOWN <O TO POlii E A THERMAL SW ITCH J 2 0 L LINE TRIG TO AUX...
  • Page 362 SECTION 3 DISASSEMBLY AND REPAIR PROCEDURES CONTENTS Paragraph Title Page 3- 1 INTRODUCTIO N ..... . . 3-3 DISASSE MBLY PROCED URE S .
  • Page 363 SECTION 3 DISASSEMBLY AND REPAIR 3·1 INTRODUCTION Place the synthesizer on its handles so that 3-1). the rear panel faces up (Figure The disassembly procedures show how to gain access to major instrument parts for troubleshooting or Remove the four feet. maintenance.
  • Page 364 Remember the orientation of the Two holes are provi ded in the back of WILTRON cables; they are not keyed. the front panel casting (Figure 3-2).
  • Page 365 SECTION �ISASSEMBL Y AND REPAIR PROCEDURES DISASSEMBL Y PROCEDURES POWER SUPPLY UPPER HOUSING SIDE RAIL MICROWAVE DECK L6742A003 Fiarure 3-3. Top and Side Views MICROWAVE DECK SUPPORT SCREWS CONNECTOR FRONT PANEL MOUNTING SCREW ® ® HIGH VOLTAGE © SHIELD © CONNECTORS MOTHERBOARD L6742A004...
  • Page 366 SECTION 3-DISASSEMBL Y AND REPAIR PROCEDURES DISASSEMBL Y PROCEDURES The rear panel is now suffi c iently disassembled to 9. Remove the front mounting screw from the allow troubleshooting and maintenance. quartz oscillator housing (Figure 3-3). �c.AiiTioN-i Removing the Rear Panel Casting •...
  • Page 367 3-DISASSEMBL Y AND REPAIR PROCEDURES DISASSEMBLY PROCEDURES SIDE RAIL LOCK/RELEASE MICROWAVE DECK SUPPORT SCREWS L6742A005 Figure 3-5. Lowering the Microwave Deck REASSEMBLY HINTS: 1. Remove the cover as described in paragraph 3-2. 1. • Lift. the release pin to raise the deck back into the 2.
  • Page 368 SECTION 4 SPECIAL OPTIONS CONTENTS Page Paragraph Title 4 - 114-2 SPECIAL OPTIONS This section is reserved for a listing and description of any special options that are fitted to your synthesizer. 4- 1/4-2 67XXBMM...
  • Page 369 SECTION V PARTS LISTS CONTENTS Paragraph Description Page INTRODUCTION 5- 2 PARTS-ORDERING IN FORMATION VENDOR IN FORMATION ..... . . 5-3 ABBREVIATIONS .
  • Page 370 Table Vendor and Vendor FSCM Number Cross-Reference List 5·1. VENDOR FSCM NO. FSCM NO. VENDOR Airco lntersil 32293 Allen-Bradley 01121 Kem et Alpha 23365 Lenox-Fugal 24759 Linear Technology 00779 Lum ex Analog Devices 24355 MEPCO 19701 Arco Micropower Aro mat 61529 Mini Circuits Aug at...
  • Page 371 PCBs, options/accessories, and microwave deck components of the 67XXB series Telephone: 408-778-2000 synthesizers. TWX: 285227 WILTRON MH FAX: 408-778-0239 All PCBs listed in Table 5-3 are replaceable as­ semblies. The microwave deck components that are replaceable are listed in Table 5-36.
  • Page 372 ORGANIZATION OF PARTS LISTS SECTION �PARTS LISTS Table 5-3. Organization of Parts Lists Table/Figure PCB Assembly Name Wlltron Part Number Page Printed Circuit Boards (PCBs) Table 5-4 Al Front Panel 6700-D-31701-3 (Rev. C) 6700-D-31702-3 (Rev. H) Table 5-5 A2 Front Panel Control 6700-C-31703-4 (Rev.
  • Page 373 SECTION �PARTS LISTS A 1 FRONT PANEL PCB Table 5-4. Al PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME CAPACITOR,FXD,CER,0.1µF,20%, 10V 230-37 RPE122104M100V MURATA/ERIE CAPACITOR,FXD,TAN T,6.SµF, 10%,3V 250-41 196D685X9035KE3 SPRAGUE CAPACITOR,FXD ,CER,0.1µF,20%,1 OV 230-37 RPE122104M100V MURATA/ERIE 230-37 CAPACITOR,FXD ,CER,0.1µF,20%, 10V RPE122104M100V MURATA/ERIE 230-37...
  • Page 374 A 1 FRONT PANEL PCB SECTION �PARTS LISTS Table 6-4. Al PCB Parts List (2 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME DS27 1S-32 LED.YELLOW SSL-LX2046SYD LU MEX DS28 1S-33 LED,GREEN SSL-LX2046SGD LU MEX DS29 1S-32 LED,YELLOW SSL-LX2046SYD LU MEX DS30 1S-32 LED,YELLOW...
  • Page 375 SECTION 5- PARTS LISTS A1 FRONT PANEL PCB Table 5-4. Al PCB Parts List (3 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-1K-1 RESISTOR,FXD,MF .. 1K.Q,1 %,0.25W 110-3.83K-1 RESISTOR,FXD,MF, 3.83K.Q, 1%,0.25W 110-215-1 RESISTOR,FXD,MF .. 215, 1%,0.25W 123-14 RESISTOR,NETWORK,MF,7X220,2% 408A221 123-14 RESISTOR, NETWORK, MF, 7X220,2% 408A221...
  • Page 376 A1 FRONT PANEL PCB SECTION �ARTS LISTS Al PCB Parts List ( Table 5-4. VENDOR PART VENDOR DESCRIPTION NUMBER NAME SW33 430-131 SWITCH,PUSH BUTION K40142AA CENTRAL.ABS SW34 430-131 SWITCH,PUSH BUTION K40142AA CENTRAL.ABS SW35 430-131 SWITCH,PUSH BUTION K40142AA CENTRAL.ABS SW36 430-131 SWITCH,PUSH BUTION K40142AA CENTRAL.ABS...
  • Page 377 SECTION 5-PARTS LISTS A2 FRONT PANEL CONTROL PCB Table 5-5. A2 PCB Parts List (1 of 3) VENDOR PART VENDOR DESCRIPTION NUMBER NAME CAPACITOR,FXD,TANT, 10µF, 10%,25V 250-42 196D106X9025KE3 SPRAGUE 250-42 CAPACITOR,FXD,TANT, 10µF, 10%,25V 196D 106X9025KE3 SPRAGUE 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M100V MURATA/ERIE 230-37...
  • Page 378 A2 FRONTPANEL CONTROLPCB SECTION �ARTS LISTS A2 PCB Parts List (2 Table 5-4. VENDOR PART VENDOR DESCRIPTION NUMBER NAME CR10 10-1 N755A DIODE.ZENER, 1 N755A 1N755A MOTOROLA 553-216 SOCKET.RIBBON CABLE HEADER SAMTEC SOCKET,RIBBON CABLE HEADER 553-216 SAMTEC 553-216 SOCKET.RIBBON CABLE HEADER SA MT EC 553-216 SOCKET.RIBBON CABLE HEADER...
  • Page 379 SECTION �PARTS LISTS A2 FRONTPANEL CONTROLPCB 5-4. A2 PCB Parts List (3 Table VENDOR PART VENDOR DESCRIPTION NUMBER NAME 54-528 CMOS,74HCT138 T.I. SN74HCT138N 54-510 CMOS SN74HC04N T.I. 54-508 T.I. CMOS, QUAD SN74HC02N 54-515 CMOS,SN74HC148N,SINGLE T.I. SN74HC148N 54-528 CMOS, 7 4HCT138 SN74HCT138N T.I.
  • Page 380 A3 COARSE LOOP MIXER PCB SECTION 5-PARTS LISTS Table 5-6. A3 PCB Parts List (1of2) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 220-100 CAPACITOR,FXO,MICA, 1 OOPF,S%,50V C01SF 0101J03 CORNELL OUBILIER CAPACITOR,FXO,TANT, 10µF, 10%,2SV 1960106X902SKE3 2S0-42 SPRAGUE CAPACITOR,FXO,CER,0.1µF,20%, 1 OOV 230-37 RPE122104M100V MURATA/ERIE 220-100 CAPACITOR,FXO,MICA.100PF,S%,50V...
  • Page 381 SECTION 5- PARTS LISTS A3 COARSE LOOP MIXER PCB Table 5·6. A3 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-178-1 RESISTOR,FXD,MF, 1780, 1 %,0.25W SMA4 OR C4 CORNING RESISTOR,FXD,MF,48.m, 1 %,0.25W SMA-4 OR C4 CORNING 110-48.7-1 110-61.9-1 RESISTOR,FXD,MF,61.90, 1 %,0.25W SMA-4 OR C4 CORNING 110-2.15K-1...
  • Page 382 A4 COARSE LOOP OSCILLATOR PCB SECTION �PARTS LISTS Table 5.7, A4 PCB Parts List (1 of3) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 2S0-42 CAPACITOR,FXD,TANT, 10µF, 10%,2SV 19GD106X902SKE3 SPRAGUE CAPACITOR,FXD,TANT, 1OµF,10%,2SV 19GD106X902SKE3 2S0-42 SPRAGUE CENTRE ENG 230-G1 CAPACITOR,FXD ,560pF CAPACITOR,FXD,,270pF,S% 200-100-NP0-271J 230-S8 CENTRE ENG CAPACITOR,FXD,TANT, 10µF, 10%,2SV...
  • Page 383 SECTION 5- PARTS LISTS A4 COARSE LOOP OSCILLATOR PCB Table 5-7. A4 PCB Parts List (2 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-51.1-1 RESISTOR,FXD,MF,51 .1n,1 %,0.25W SMA-4 OR C4 CORNING 110-51.1-1 RESISTOR,FXD,MF,51.1n,1%,0.25W SMA-4 OR C4 CORNING 110-1.54K-1 RESISTOR.FXD,MF, 1.54Kn, 1 %,0.25W 110-127K-1 RESISTOR,FXD,MF, 127Kn, 1 %,0.25W 110-23.7K-1...
  • Page 384 A4 COARSE LOO P OSCILLATOR PCB SECTION �PARTS LISTS Table 5.7, A4 PCB Parts List (3 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 157-10K-A RESIST R,TRIM,CER, 1OKn,10% BECKMAN 109-33K-5 RESISTOR,FXO ,MF,33Kn,5%,0.125W CT3 SERIES+VALUE CORNING 702-17 TERMINAL, EYELET 20-21370 VEROSPEEO 702-17 TERMINAL, EYELET 20-21370 VEROSPEEO 702-17...
  • Page 385 SECTION �PARTS LISTS A5 REFERENCE OSCILLATOR PCB Table 5-8. A5 PCB Parts List (1of3) VENDOR PART VENDOR DESCRIPTION NUMBER NAME CAPACITOR,FXD ,TANT, 1OµF,10%,25V 196D106X9025KE3 250-42 SPRAGUE 250-42 CAPACITOR,FXD,TANT,10µF,10%,25V 196D106X9025KE3 SPRAGUE 230-65 CAPACITOR,FXD, 1500pF,±5% CENTRE ENG 250-42 CAPACITOR,FXD,TANT, 1OµF,10%,25V 196D 106X9025KE3 SPRAGUE 250-42 CAPACITOR,FXD,TANT, 10µF, 10%,25V...
  • Page 386 AS REFERENCE OSCILLATOR PCB SECTION �ARTS LISTS Table 5-8. A5 PCB Parts List (2 of 3) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-3.16K-1 RESISTOR,FXD,MF,3.16.Q1 %,0.25W 110-3.16K-1 RESISTOR,FXD,MF,3.16 K.n1%,0.25W 110-51.1-1 RESISTOR,FXD,MF,51.1, 1%,0.25W SMA-4 OR C4 CORNING 110-3.16K-1 RESISTOR,FXD,MF,3.16 Kn, 1 %,0.25W 110-51.1-1 RESISTOR,FXD,MF,51.1.Q, 1 %,0.25W SMA-4 OR C4...
  • Page 387 SECTION �PARTS LISTS A5 REFERENCE OSCILLATOR PCB (3 of 3) Table 5-8. A5 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME RESISTOR,FXD,MF, 120il,5%,0.12W 109-120-5 CT3 SERIES+VALUE CORNING RESISTOR,FXD,MF, 120il,5%,0.12W CT3 SERIES+ VALUE 109-120-5 CORNING RESISTOR,FXD,MF,75n, 1%,0.12W DALE RESISTOR 109-75-5 109-75-5 RESISTOR,FXD,MF,75,1%,0.12W DALE RESISTOR...
  • Page 388 A6 COARSE LOOP DIVIDER PCB SECTION 5-PARTS LISTS Table 5-9. A6 PCB Parts List (1 of4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-39 CAPACITOR,FXO,CER,0.1µF, 10%,SOV 8121--050-X7A0-104K ERIE 230-39 CAPACITOR,FXO,CER,0.1µF,10%,50V 8121--050-X7R0-104K ERIE 230-39 CAPACITOR,FXO,CER,0.1µF,10%,SOV 8121--050-X7R0-104K ERIE 230-39 CAPACITOR,FXO,CER,0.1µF, 10%,50V 8121--050-X7R0-104K ERIE CAPACITOR,FXO,CER,0.1µF, 10%,50V 230-39 8121--050-X7R0-104K...
  • Page 389 SECTION 5-PARTS LISTS A6 COARSE LOOP DIVIDER PCB Table 5-9. A6 PCB Parts List (2 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 250-42 CAPACITOR,FXD, TANT, 1OµF,10%,25V 196D106X9025KE3 SPRAGUE 250-42 CAPACITOR,FXD,TANT, 10µF, 10%,25V 196D106X9025KE3 SPRAGUE 230-76 CAPACITOR,FXD,CER, 1200PF, 1 % 200-1 OO-NP0-122F CENTRE ENG 230-76...
  • Page 390 A6 COARSE LOOP DIVIDER PCB SECTION 5-PARTS LISTS Table 5.9, A6 PCB Parts List (3 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME R 1 6 11 0-127-1 RESISTOR,FXD,MF, 127n,.1 %,0.25W SMA 4 0R C4 CORNING RESISTOR,FXD,MF,51Hl,1%,0.25W 1 10-51 1 -1 1 10-6.
  • Page 391 SECTION 5-PARTS LISTS A6 COARSE LOOP DIVIDER PCB PCB Parts List (4 of 4) Table 5-9. A6 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-3.83K-1 RESISTOR,FXD,MF,3.83Kn, 1 %,0.25W 110-68.1-1 RESISTOR, FXD,MF,68.1n,1 %,0.25W SMA-4 OR C4 CORNING 110-68.1-1 RESISTOR,FXD,MF,68. 1n,1 %,0.25W SMA-4 OR C4 CORNING 110-681-1 RESISTOR,FXD,MF,68m,1 %,0.25W...
  • Page 392 A7 REFERENCE DIVIDER PCB SECTION 5-PARTS LISTS (1of3) Table 5·10. A7 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-67 CAPACITOR,FXD,CER,33pf,5%, 1 OOV 150-100-N P0-330J CENTRE ENG 230-39 CAPACITOR,FXD,CER,0.1µF, 10%,50V B 121--050-X?R0-104K ERIE CAPACITOR.FXD,CER,33pf,5%, 1 OOV 150-100-N P0-330J 230-67 CENTRE ENG CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M100V...
  • Page 393 SECTION 5-PARTS LISTS A7 REFERENCE DIVIDER PCB (2 of 3) Table 5-10. A7 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME 109-43-5 RESISTOR,FXD,MF,430,5%,0.12W CFF-50 DALE RESISTOR 109-75-5 RESISTOR,FXD,MF,75n, 1%,0.12W CMF-50 DALE RESISTOR 110-2K-1 RESISTOR,FXD,MF,2 Kn,1%,0.25W 110-787-1 RESISTOR,FXD,MF,787n, 1 %,0.25W 110-147-1 RESISTOR,FXD,MF,147n,1%,0.25W SMA-4 OR C4...
  • Page 394 Al REFERENCE DIVIDER PCB SECTION �PARTS LISTS (3 of 3) Table 5-10. A7 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME 702-17 TERMINAL.EYELET 20-21370 VEROSPEEO 702-17 TERMINAL, EYELET 20-21370 VEROSPEEO 702-17 TERMINAL, EYELET 20-21370 VEROSPEEO SPB6BOB 54-547 ECL,SP8680B,SINGLE PLESSY 54-328 TIL.74S02,QUA0,2 INPUT NOR 74802...
  • Page 395 SECTION �ARTS LISTS AB SERIAL 110 PCB AB PCB Parts List (1of1) Table 5-11. VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-61 CAPACITOR,FXD,560pF,5% 200-1 OO-NP0-561 J CENTRE ENG 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M100V MURATA/ERIE 230-37 CAPACITOR,FXD,CER,0.1µF,20%,1 OOV RPE122104M1 OOV MURATA/ERIE 230-71 CAPACITOR,F IXED,CER,6Spf,5% 150-1 OO-NP0-680J CENTR ENG...
  • Page 396 A9 FINE LOOP OSCILLATOR PCB SECTION 5-PARTS LISTS (1of4) Table 5-12. A9 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME CAPACITOR,FXD,TANT, 1OµF,1 0%,25V 250-42A 1 96D 1 06X 9025KA 1 SPRAGUE 250-42A CAPACITOR,FXD,TANT, 1OµF,10%,25V 1 96D1 06X9025KA1 SPRAGUE 250-42A CAPACITOR,FXD,TANT, 10µF, 10%,25V 1 96D 1 06X 9025KA 1 SPRAGUE...
  • Page 397 SECTION 5-PARTS LISTS A9 FINE LOOP OSCILLATOR PCB Table 5-12. A9 PCB Parts List (2 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME CR12 10-72 DIODE,VARACTOR,ZC804B ZC804 MSI ELECTORNICS CR14 10-4 DIODE.SCHOTTKY MIXER,MBD501 MBD501 MOTOROLA CR15 10-4 DIODE.SCHOTTKY MIXER,MBD501 MBD501 MOTOROLA 551-547 CONNECTOR HEADER...
  • Page 398 A9 FINE LOOP OSCILLATOR PCB SECTION 5-PARTS LISTS Table 5-12. A9 PCB Parts List (3 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME RESISTOR,FXD,MF,11.8 Kn,1%,0.2SW 110-11.SK-1 RESISTOR,FXD,MF,41.2 Kn, 1 %,0.2SW 110-41.2K-1 110-10.2K-1 RESISTOR,FXD,MF, 10.2 Kn, 1 %,0.2SW 110-3.01 K-1 RESISTOR,FXD,MF,3.01Kn,1%,0.2SW RESISTOR,FXD,MF,10.S Kn,1%,0.25W 110-10.SK-1 RESISTOR,FXD,MF,3.01 Kn, 1 %,0.25W...
  • Page 399 SECTION 5-PARTS LISTS A9 FINE LOOP OSCILLATOR PCB Table 5·12. A9 PCB Parts List (4 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 702-17 TERMINAL, EYELET 20-21370 VEROSPEEO 702-17 TERMINAL, EYE LET 20-21370 VEROSPEEO 702-17 TERMINAL, EYELET 20-21370 VEROSPEEO 20-21370 VEROSPEEO 702-17 TERMINAL, EYE LET...
  • Page 400 A 10 REFERENCE BUFFER PCB SECTION �ARTS LISTS AlO PCB Parts List (1of3) Table 5-18. VENDOR PART VENDOR DESCRIPTION NUMBER NAME 250-19 CAPACITOR,FXD,TANT, 1µF, 10%,35V 196D105X9035HE3 SPRAGUE 230-66 CAPACI TOR,FXD,CER,0.22µF, 10% CW30C224K CENTRALAB 250-42 CAPACI TOR,FXD, TANT, 1OµF,10%,25V 196D106X9025KE3 SPRAGUE 230-47 CAPACITOR,FXD,.01µF,10% 200-1OO-X7R-103K...
  • Page 401 SECTION �PARTS LISTS A 10 REFERENCE BUFFER PCB Table 5-13. AlO PCB Parts List (2 of 3) VENDOR PART VENDOR DESCRIPTION NUMBER NAME TRANSISTOR,NPN,2N3904 20-2N3904 2N3904 MOTOROLA 0 1 2 20-2N3904 TRANSISTOR,NPN,2N3904 2N3904 MOTOROLA 110-5.11-1 RESISTOR,FXD,MF,5.1Hl,1 %,0.25W 109-5 1 -5 RESISTOR, FXD,MF,51 Q,5%,0.12W CMF -50 DALE RESISTOR...
  • Page 402 A 10 REFERENCE BUFFER PCB SECTION 5-PARTS LISTS Table 5-13. AlO PCB Parts List (3 of 3) VENDOR PART VENDOR DESCRIPTION N UMBER NAME TERMINAL, EYELET 20-21370 VEROSPEED 702-1 7 340T-5 VOLTAGE REGULATOR,7805 NATIONAL SEMI MC7805CP CONNECTOR, RF BULKHD, MICROMIN 22MCX-50-0-2/111 HUBER+SUHNER J1-J5...
  • Page 403 SECTION �PARTS LISTS A 1 1 FINE LOOP DIVIDER PCB Table 5-14. All PCB Parts List (1 of 4) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-37 CAPACITOR,FXD,CER,0. 1 µ F,20%, 1 00V RPE122 1 04 M 1 00 V MURATA/ERIE 230-37 CAPAC ITOR,FXD,CER,0.
  • Page 404 A 1 1 FINE LOOP DIVIDER PCB SECTION 5-PARTS LISTS Table 5·14. All PCB Parts List (2 of 4) VENDOR PA RT VENDOR DESCRIPTION NUMBER NAME 230-78 CAPACITOR,FXD,CER,2200pF, 1 % 200-1 00-NP0-222F CENTRE ENG 230-78 CAPACITOR,FXD,CER ,2200pF, 1 % 200-1 00-N P0-222F CENTRE ENG 230-78 CAPACITOR,FXD,CER,2200pF, 1 %...
  • Page 405 SECTION 5-PARTS LISTS A 1 1 FINE L OOP DIVIDER PCB Table 5-14. All PCB Parts List (3 of 4) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 10-604K-1 RESISTOR,FXD, MF,604 Kn, 1 %,0.25W 1 1 3-7.23K- RESISTOR, FXD, MF,7.23 Kn,0.5% RESISTOR, FXD,MF,7.23 Kn,0.5% 1 13-7.23K- 1 1 3-3.61 K-...
  • Page 406 A 1 1 FINE L OOP DIVIDER PCB SECTION �PARTS LISTS Table 5-14. Al l PCB Parts List (4 of 4) VENDOR PA RT VENDOR DESCRI PTION NUMBER NAME 1 1 0-51 1 - 1 RESISTOR, FXO,MF,51 1 0, 1 %,0.25W 1 1 0-2.37K-1 RESISTOR,FXO,MF,2.37 1 %,0.25W...
  • Page 407 SECTION �PARTS LISTS A 12 YIG PHASE DETECTOR PCB Table 5·15. Al2 PCB Parts List (1 of2) VENDOR PART VEN DOR DESCRIPTION NUMBER NAME 230-66 CAPACITOR,FXO,CER ,0.22µF, 1 0% CW30C224K CENTRALAB CAPAC ITOR, FXO,TANT,6.8µF, 1 0% ,3V 250-41 1 960685X9035KE3 SPRAGUE 230-64 CAPACITOR ,FXO, 1 000pF,5%...
  • Page 408 A 1 2 YIG PHASE DETECTOR PCB SECTION 5-PARTS LISTS Table �-1�. A12 PCB Parts List (2 VENDOR PART VENDOR DESCRI PTION NUMBER NAME R 1 3 1 1 0-348-1 RESISTOR,F XD,MF,348Q, 1 %,0.25W R 1 4 1 1 0-1 .07K-1 RESISTOR,FXD, MF, 1 .07 Kn,1 %,0.25W R 1 5 1 1 0-887-1...
  • Page 409 SECTION �PARTS LISTS A 13 PULSE GENERATOR PCB Table A13 PCB Parts List (1 of 6) 5-16. VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE 122104M100V MURATA/ERIE 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M100V MURATA/ERIE 230-37 CAPACITOR,FXD,CER,0.1µF,20%,1 OOV RPE 122104M100V MURATA/ERIE 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV...
  • Page 410 A 13 PULSE GENERATOR PCB SECTION 5-PARTS LISTS Table 5-16. A13 PCB Parts List (2 of 6) VENDOR PART VENDOR D ESCRI PTION NUMBER NAME C4 3 230-37 CAPACITOR,FXD,CER,0. 1 µF,20%, 1 OOV RPE 1 221 04 M 1 00V MU RATA/ERIE 230-64 CAPACITOR,FXD, 1 OOOpF,5%...
  • Page 411 SECTION 5-PARTS LISTS A 13 PULSE GENERATOR PCB Table 5-16. A13 PCB Parts List (3 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 31 0-57 INDUCTOR,FXD,0. 1 5µH, 1 0% 1 025-00 551 -538 CONN ECTOR.SOCKET 66947-01 1 BERG 20-2N4249 TRANSISTOR,PNP,2N4249 MPS4249-1 8 MOTOROLA 20-2N4249 TRANSISTOR,PNP,2N4249...
  • Page 412 A13 PULSE GENERATOR PCB SECTION �PARTS LISTS Table PCB Parts List (4 of 6) 5-16. A13 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-51.1 - 1 RESISTOR,FXD,MF,51. Hl, 1 %,0.25W SMA-4 OR C4 CORNING 110-51.1-1 RESISTOR,FXD,MF,51. Hl, 1 %,0.25W SMA-4 OR C4 CORNING Kil, 110-1.78K-1...
  • Page 413 SECTION 5-PARTS LISTS A13 PULSE GENERATOR PCB Table PCB Parts List (5 5-16. A13 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-S1.1-1 RESISTOR,FXO,MF,S1.10, 1 %,0.2SW SMA-4 OR C4 CORNING 110-1.7SK-1 RESISTOR,FXO,MF, 1. 7S Kn, 1 %,0.2SW 11O-S1.1-1 RESISTOR,FXO,MF,S1. rn, 1 %,0.2SW SMA-4 OR C4 CORNING 110-26.1-1...
  • Page 414 A 13 PULSE GENERA TOR PCB SECTION 5-PARTS LISTS Table 5·16. A13 PCB Parts List (6 VENDOR PART VENDOR DESCRI PTION NUMBER NAME ALS TTL, 74ALS74,D UAL 54-538 SN74ALS74N 54-537 ALS TTL,74ALS38,0UAD SN74ALS38N ALS TTL,74ALS74,DUAL SN74ALS74N 54-538 T.I. 54-538 ALS TTL,74ALS74,DUAL SN 74ALS74N DDU-4-5 1 25 54-324...
  • Page 415 SECTION 5-PARTS LISTS A15ALCPCB Table A15 PCB Parts List (1of11) 5-17. VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-39 CAPACITOR,FXD,CER,0.1µF,10%,SOV 8121-050-X7R0-104K ERIE 230-39 CAPACITOR,FXD,CER,0.1µF, 1 0%,SOV 8121-050-X7R0-104K ERIE 230-39 CAPACITOR,FXD,CER,0.1µF,10%,SOV 8121-050-X7R0-104K ERIE 223-56 CAPACITOR,FXD,MICA ,56P F,5%,500V DM1 OE 560JO 500V 230-85 CAPACITOR,FXD,CER,0.33uF, 10% 230-39 CAPACITOR,FXD,CER,0.1µF, 10% ,SOV...
  • Page 416 A 15 ALC PCB SECTION �PARTS LISTS Table li-17. A15 PCB Parts List (2 of 1 1) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 250-42A CAPACITOR,FXO,TANT, 1 0µF, 1 0%,25V 19601 06 X9025KA1 SPRAGUE 230-55 CAPACITOR,FXO .. 1 OOpF,5% 1 50-1 00-NP0-10 1 J CENTRE ENG 230-58 CAPACITOR,FX0,270pF,+/-5%...
  • Page 417 SECTION � PARTS LISTS A 15 ALC PCB Table 5-17. A15 PCB Parts List (3 of 11) VENDOR VENDOR PART DESCRI PTION NAME NUMBER 230-47 CAPACITOR,FXD,.D1 uF,+/- 1 0% 200-1 00-X7R-1 03K CENTRE ENG 230-47 CAPACITOR,FXD,.0 1 uF, 1 0% 200- 1 00-X? R-1 03K CENTRE ENG 250-42A...
  • Page 418 A 15 ALC PCB SECTION �PARTS LISTS Table 5-17. A1 5 PCB Parts List (4 of 11) VENDOR PART VENDOR DESCRI PTION NUMBER NAME CR34 1 0- 1 N4446 DIODE.SWITCHING, 1 N4446 1 N4446 T+R FAIRCHILD CR35 1 0- 1 N4446 DIODE.SWITCHING, 1 N4446 1 N 4446 T+R FAIRCHILD...
  • Page 419 SECTION �PARTS LISTS A 15 AL C PCB Table 5-17. A15 PCB Parts List (5 of 11) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 03 1 20-45 TRANSISTOR,FET V N 1 0KM SILICON IX 20-45 TRANSISTOR, FET V N 1 0KM SILICON I X 20-45 TRANSISTOR,FET...
  • Page 420 A 15 ALC PCB SECTION �PARTS LISTS Table 5-17. A1 5 PCB Parts List (6 of 1 1) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 0-4.02K-1 RESISTOR, FXD, M F,4.02 Kn, 1 %,0.25W 1 1 0-4. 99K-1 RESISTOR,FXD,MF,4.99 Kn, 1 %,0.25W SMA-4 OR C4 CORN I N G 1 1 0-4.22K-1...
  • Page 421 SECTION 5-PARTS LISTS A 15 AL C PCB Table 5-17. A1 5 PCB Parts List (7 of 1 1 ) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 0-3.01 K-1 RESISTOR, FXD,MF,3.01 Kn, 1 %,0.25W 1 1 0- 1 00-1 RESISTOR, FXD,MF, 1 00Q, 1%,0.25W SMA-4 OR C4 CORN I N G...
  • Page 422 A 15 AL C PCB SECTION 5-PARTS LISTS Table 5-17. Al 5 PCB Parts List (8 of 1 1) VENDOR PART VENDOR DESCRI PTION NUMBER NAME R 1 3 2 1 1 0- 1 0 K-1 RESISTOR,F XD,MF, 10 Kn, 1 % ,0.25W R 1 34 RESISTOR,FXD,MF,30 H l , 1 %,0.
  • Page 423 SECTION 5-PARTS LISTS A 15 ALC PCB Table PCB Parts List (9 of 11) 5-17. Al5 VENDOR PART VENDOR DESCRI PTION NUMBER NAME RESISTOR, FXD , M F, 1 00Q, 1 %,0. 25W SMA-4 OR C4 R 1 76 1 1 0- 1 00-1 COR N I N G RESISTOR, FXD , M F, 1 00.n, 1 %,0.
  • Page 424 A15ALC PCB SECTION 5- PARTS LISTS Table A15 PCB Parts List (10 of 11) 5-17. VENDOR PART VENDOR DESCRIPTION NUMBER NAME R219 110-5. 11-1 RESISTOR,FXD,MF,5.1m,1 %,0.25W R220 110-26.1-1 RESISTOR, FXD,MF,26.1.n,1 %,0.25W SMA-40RC4 CORNING R221 110-511-1 RESISTOR,FXD,MF,51m,1%,0.25W R222 110-11K-1 RESISTOR,FXD,MF,11 Kn,1%,0.25W R223 110-2.37K-1 RESISTOR,FXD,MF,2.37 Kn,1%,0.25W...
  • Page 425 SECTION 5-PARTS LISTS A 15 AL C PCB Table 5-17. A15 PCB Parts List (11 of 11) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 20-73 TRANSISTOR,FET,U431 U43 1 SJLICON I X U 3 1 54-53 OP AMP,TL072, DUAL TL072CP3 T. I . 50-34 OP-AMP,LT1 056ACH,SINGLE LT 1 056ACH...
  • Page 426 A 16 FM PCB SECTION 5-PARTS LISTS 5-18. A16 PCB Parts List ( 1 of 7) Table VEN DOR PART VENDOR DESCRI PTION NUMBER NAM E BL01 D/A, 1 2BIT 54-334 DAC 1 208 LCD NATIONAL BL02 553- 1 77 PCB EJECTOR LP-36 BIVAR...
  • Page 427 SECTION �PARTS LISTS A 16 FM PCB Table 5-18. A16 PCB Parts List (2 of 7) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 230-37 CAPACITOR ,FXD,CEA,0. 1 µF,20" k, 1 00V RPE 1 22 1 04 M 1 00 V MURATA/ERIE 250-39 CAPACITOR,FXD ,TANT,4.
  • Page 428 A 16 FM PCB SECTION 5-PARTS LISTS Table 5-18. Al6 PCB Parts List (3 of 7) VENDOR PART VENDOR DESCRI PTION NUMBER NAME CR27 1 0- 1 N4446 DIODE,SWITCHING, 1 N4446 1 N4446 T+R FAIRCHILD CR28 DIODE,SWITC HING, 1 N4446 1 0-1 N4446 1 N 4446 T+R FAIRCHILD...
  • Page 429 SECTION 5-PARTS LISTS A 16 FM PCB Table 5-18. A16 PCB Parts List (4 of 7) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 0-80 .6K-1 RESISTOR,FXO,MF,80.6 Kn, 1 %,0.25W 1 1 0-7.5K-1 RESISTOR,FXD, MF,7.5 Kn, 1 %,0.25W 1 1 0-3 1 6-1 RESISTOR,FXD,MF,31 6.n, 1 %,0.25W R3 1 1 1 0-2.21 K-1...
  • Page 430 A 16 FM PCB SECTION 5-PARTS LISTS Table 5-18. A16 PCB Parts List (5 of 7) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 0-8.45K-1 RESISTOR, FXD,MF,8.45 Kn, 1 %,0.25W 1 1 0-3.83K-1 RESISTOR, FXD,MF,3.83 Kn, 1 %,0.25W 1 1 0-4.02K-1 RES ISTOR,FXD,MF,4.02 Kn, 1 %,0.25W 1 1 0-1 00-1 RESISTOR,FXD, MF, 1 oon, 1 %,0.25W...
  • Page 431 SECTION �PARTS LISTS A 16 FM PCB Table 5-18. A16 PCB Parts List (6 of 7) VENDOR PART VENDOR DESCRI PTION NUMBER NAME R 1 1 1 1 1 3-332-0 .5 RESISTOR,FXD,MF,332.n,0.5% ,0.1 25W R 1 1 2 1 1 0-4.22K· 1 RESISTOR , FX D , M F,4.22 Kn, 1 %,0.25W R 1 1 3 1 1 3-1 .33K-...
  • Page 432 A 1 6 FM PCB SECTION 5-PARTS LISTS Table 5-18. Al6 PCB Parts List (7 of 7) VEN DOR PART VENDOR DESCRI PTION NUMBER NAME DG200ABA 50-DG200BA ANALOG SWITC H , DG200 ,DUAL SILICONIX OP AMP,TL074CN3,QUAD TL074CN3 T l . 54-132 OP AMP,5532A,DUAL NE5532N...
  • Page 433 SECTION �PARTS LISTS A 1 7 ANAL OG INSTRUCTION PCB PCB Parts List ( 1 of 6) Table 5-19. Al 7 VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-37 CAPACITOR,FXO,CER,0. 1 µF,20%, 1 OOV RPE1 221 04M 1 00V MU RATA/ER I E SPRAGUE 250-42 CAPACITOR,FXO,TANT, 1 0µF, 1 0%,25V...
  • Page 434 A 17 A NALOG INSTRUCT/ON PCB SECTION 5-PARTS LISTS Table 5-19. Al 7 PCB Parts List (2 of 6) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-37 CAPACITOR,FXD,CER ,0.1µF,20%, 100V RPE122104M 1 00V MURATA/ERIE 230-37 CAPACITOR ,FXD,CER ,0.1µF,20% , 1 OOV RPE122104M100V MURATA/ERIE 230-41...
  • Page 435 SECTION �PARTS LISTS A 1 7 ANALOG INSTRUCTION PCB PCB Parts List (3 of 6) Table 5-19. Al 7 VENDOR PART VENDOR DESCRIPTION NUMBER NAME R 1 0 1 1 3-1 OK-0. 1 RESISTOR,FXD, MF, 10 Kn,0. 1 %,0. 1 25W R 1 1 1 1 0-90 .9K-1 RESISTOR, FXD,MF,90.9 Kn,1 %,0.25W...
  • Page 436 A 17 ANALOG INSTRUCTION PCB SECTION 5-PARTS LISTS Table 5-19. Al 7 PCB Parts List (4 of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 3-30.1 K- RESISTOR, FIXED, MF,30. 1 Kn,0.1 % CEA-T2-30. 1 K-0. 1 % 0.
  • Page 437 SECTION 5-PARTS LISTS A 1 7 ANALOG INSTRUCT/ON PCB Table 5-19. Al 7 PCB Parts List (5 of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 3- 1 M-0. 1 RESISTOR, FXD,MF, 1 Mn,0. 1 % ,0.25W 1 1 3- 1 M-0. 1 RESISTOR,FXD,MF, 1 Mn,0.
  • Page 438 A 1 7 ANALOG INSTRUCTION PCB SECTION 5-PARTS LISTS (6 of 6) Table 5·19. Al 7 PCB Parts List VENDOR PART VENDOR DESCRI PTION NUMBER NAME OP-AMP, LT1 007,SINGLE LT1 007CN8 54-503 LIN EAR TECH 54-503 OP-AMP, LT 1 007,SINGLE LT1 007CN8 LINEAR TECH COMPARATOR,LM31 1 ,SINGLE...
  • Page 439 SECTION �PARTS LISTS A 18 2-8.4 GHz YIG DRIVER PCB Table Al8 PCB Parts List (1 of 5) 5-20. VEN DOR PART VENDOR DESCRIPTION NUMBER NAM E 227-45 CAPACITOR,FXD,MYLR,0. 1 µF,20%,1 V 230B 1 B 1 04M ELECTROCUBE 230-3 CAPACI TOR,FXD.CER, 1 000PF, 1 0%, 1 V DD- 1 0 2 C ENTRALAB 223- 1 0...
  • Page 440 A 18 2-8.4 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS PCB Parts List Table 5·20. Al8 VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 0-1 N4446 DIODE,SWITCHING, 1 N4446 1 N4446 T+R FAIRCHILD 10-1 N4446 DIODE,SWITCHING, 1 N4446 1 N4446 T+R FAIRCHILD 1 0-1 N746A DIODE,ZENER, 1 N746...
  • Page 441 SECTION 5-PARTS LISTS A18 2-8.4 GHz YIG DRIVER PCB Table 5-20. A18 PCB Parts List (3 of 5) VENDOR PART VENDOR DESCRI PTION NUMBER NAME R 1 0 1 1 0-1 00-1 RESISTOR, FXD,MF, 1 oo.n, 1 %,0.25W SMA-4 OR C4 CORN ING R 1 1 1 1 0- 1 96-1...
  • Page 442 A 18 2-8.4 GHz YIG DRIVER PCB SECTION �PARTS LISTS 5-20. A18 PCB Parts List (4 of Table VENDOR PART VENDOR DESCRIPTION NUMBER NAME 113-10K-1 RESISTOR, F IXED, METAL FILM, 10 Kn 113-10K-1 RESISTOR, FIXED, METAL F ILM, 10 Kn 113-10K-1 RESISTOR, F IXED.METAL F ILM, 10 Kn 113-27.4K-1...
  • Page 443 SECTION �PARTS LISTS A 18 2-8.4 GHz YIG DRIVER PCB (5 of 5) Table 6-20. A18 PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME ANALOG SWITCH,DG200,DUAL DG200ABA SILICON IX 50-DG200 BA 50·9 OP AMP,LF356,SINGLE LF356N NATIONAL SEMI 54-132 OP AMP,TL074CN3,QUAD TL074CN3 T.I.
  • Page 444 A19 2-12.4 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS (1 of 5) Table 5-21. PCB Parts List R EF VENDOR PART VENDOR DESCRIPTION NUMBER NAME CAPACITOR,FXD,MYLAR,0. 1 µF,20%, 1 V 2308 1 B104M 227-45 ELECTROCUBE 220-680 CAPACITOR,FXD,MICA,680PF,5%,30V D M15-68 1 J ARCO/SOSH I N 223-10 CAPACITOR,FXD, MICA, 10PF,5%,500V...
  • Page 445 SECnON �PARTS LISTS At9 2·12.4 GHz YIG DRIVER PCB (2 of 5) Table 5-21. Al9 PCB Parts List VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 0-1 N4446 DIODE.SWITCHING, 1 N4446 1 N4446 T+R FAIRCH I LD 1 0- 1 N 746A DIODE.ZENER, 1 N746 1 N746 MOTOROLA...
  • Page 446 A 19 2· 12.4 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS Table 5·21. AI9 PCB Parts List (3 of 5) VENDOR PART VEN DOR DESCRI PTION NUMBER NAME 1 30-47-3 RESISTOR, FXD,WW,47n,5%,3.25W 1 1 0-2.74K-1 RESI STOR, FXD,MF,2. 74 Kn, 1 %,0. 25W 1 1 0- 1 2.4K-1 RESI STOR, FXD,MF, 1 2.4 Kn, 1 %,0.25W R 1 0...
  • Page 447 SECTION 5-PARTS LISTS A19 2-12.4 GHz YIG DRIVER PCB Table 5-21. A19 PCB Parts List (4 of VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-348-1 RESISTOR,FXD,MF,348Q, 1 %,0.25W 102-.5-5 RESISTOR,FXD,CC,0.5Q,5%,0.5W UT-1/2 113-10K-1 RESISTOR,FIXED,METAL FILM,10 Kn 113-10K-1 RESISTOR,FIXED,METAL FILM,10 Kn 113-10K-1 RESISTOR,FIXED,METAL FILM,10 Kn 113-10K-1 RESISTOR,FIXED,METAL FILM,10 Kn...
  • Page 448 A 19 2·12.4 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS Table 6·21. A19 PCB Parts List (5 of 5) VENDOR PART VENDOR DESCRI PTION NUMBER NAME R9 1 NOT USED CON NECTOR SOCKET 66947-01 3 BERG TP01 551 -608 LF356N 50-9 OP AMP,LF356,SINGLE NATIONAL SEMI...
  • Page 449 SECTION �PARTS LISTS A20 12-20 GHz YIG DRIVER PCB PCB Parts List (1 of 4) Table 5·22. VENDOR PART VENDOR DESCRI PTION NUMBER NAME 230-3 CAPACITOR,FXD,CER, 1OOOPF,10%, 1 V DD-102 CENTRALAB 223-15 CAPACITOR,FXD,MICA, 1 5PF,5%,500V CM04CD150J03 ARCO/SOSH IN 250-42 CAPACITOR,FXD,TANT, 10µF, 10%,25V 196D 106X9025KE3 SPRAGUE 250-42...
  • Page 450 A20 12-20 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS Table 5·22. A20 PCB Parts List (2 VENDOR PART VENDOR DESCRIPTION NUMBER NAME CR13 10-FD300 DIODE RECTIFIER,IN3595 1N3595 SOLID STATE DEV CR14 10-1N4446 DIODE.SWITCHING, 1 N4446 1N4446 T+R FAIRCHILD DIODE RECTIFIER,IN3595 1N3595 CR15 10-FD300...
  • Page 451 SECTION 5-PARTS LISTS A20 12·20 GHz YIG DRIVER PCB Table 5-22. A20 PCB Parts List (3 of 4) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-4.42K-1 RESISTOR,FXD,MF,4.42 Kil, 1 %,0.25W 110-196-1 RESISTOR,FXD,MF, 196!1, 1 %,0.25W RESISTOR, FXD 15!l,5%,3.25W 130-15-3 110-8.06K-1 RESISTOR,FXD,MF,8.06Kil, 1 %,0.25W RESISTOR,FXD,MF,16.2 Kil,1%,0.25W 110-16.2K-1...
  • Page 452 A20 12·20 GHz YIG DRIVER PCB SECTION �PARTS LISTS Table 5-22. A20 PCB Parts List (4 of 4) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-38.3K-1 RESISTOR,FXD,MF,38.3 Kn,1%,0.25W 110-332-1 RESISTOR,FXD,MF,332.0, 1 %,0.25W 113-10K-0.1 RESISTOR,FXD,MF,10 Kn,0.1%,0.125W 113-10K-0.1 RESIS TOR,FXD,MF, 10 Kn,0.1 %,0.125W RESISTOR,FXD,MF, 10 Kn,0.1 %,0.125W 113-10K-0.1 113-10K-0.1...
  • Page 453 SECTION 5-PARTS LISTS A21 18-26.5 GHz YIG DRIVER PCB (1 of 4) Table 5-23. PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME 227-45 CAPACITOR,FXD,MYLR,0.1µF,20%,1 V 23081 B104M ELECTROCUBE 230-3 CAPACITOR,FXD,CER, 1OOOPF,10%, 1 V DD-102 CENTRALA B 223-15 1 CAPACITOR,FXD,MICA, 15P F,5%,500V CM04CD150J03 ARCO/SOSHIN 250-42...
  • Page 454 A21 18-26.5 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS Table 5-23. A21 PCB Parts List (2 of 4) VEN DOR PART VEN DOR D ESCRIPTION NUMBER NAME CR 1 2 1 0- 1 N5359A DIODE.ZE NER, 1 N5359 1 N5359A MOTOROLA CR1 3 10-FD300...
  • Page 455 SECTION 5-PARTS LISTS A21 18·26.5 GHz YIG DRIVER PCB Table 5-23. A21 PCB Parts List (3 of 4) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-196-1 RESISTOR, FXD,MF, 196n, 1 %,0.25W 130-15-3 RESISTOR, FXD,WW, 15n,5%,3.25W RESISTOR, FXD,MF,8.06 Kn, 1%,0.25W 110-8.06K-1 110-16.2K-1 RESISTOR,FXD,MF, 16.2 Kn,1%,0.25W 110-8.06K-1...
  • Page 456 A2 1 18-26.5 GHz YIG DRIVER PCB SECTION 5-PARTS LISTS Table 5-23. A21 PCB Parts List (4 of 4) R EF VENDOR PART VENDOR DESCRIPTION NUMBER NAME 110-332-1 RESISTOR,FXD,MF,332n, 1 %, 0.25W RESISTOR,FXD,MF, 10 Kn,0.1 %,0.125W 113-10K-0.1 113-10K-0.1 RESISTOR,FXD,MF, 10 Kn,0.1 %,0.125W 113-10K-O.
  • Page 457 SECTION 5-PA RTS LISTS A22 REGULA TOR INTERFACE PCB Table 5-24. PCB Parts List (1 of 3) VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-41 CAPA CITOR,FXD,CER, 1.0µF,20%, 10V 400-100-601-105M CENTRE ENG 250-42 CAPAC ITOR, FXD,TANT, 1OµF,10%, 25V 196D106X9025KE3 SPRA GUE 230-41 CAPA CITOR,FXD,CER, 1 .0µF,20%, 1 OV 400-100-601-1 OSM...
  • Page 458 A22 REGULATOR INTERFACE PCB SECTION 5-PARTS LISTS Table 5·24. PCB Parts List of 3) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 10-Sl4 DIODE.RECTIF IER, 1 N4004 CR11 SS6253 SEMTECH CR12 10-Sl4 DIODE.RECTIFIER, 1 N4004 SS6253 SEMTECH CR13 10-Sl4 DIODE.RECTIFIER, 1 N4004 SS6253 SEMTECH CR14...
  • Page 459 SECTION 5-PARTS LISTS A22 REGULATOR INTERFACE PCB Table 5·24. PCB Parts List R EF VENDOR PART VENDOR DESCRIPTION NUMBER NAM E RESISTOR, FXD,MF, 162 Kn, 1 %,0.25W 110-1 6 2K-1 110-11 5K-1 RESISTOR,FXD,MF,115 Kn,1%,0.25W 110-10K-1 RESISTOR,FXD,MF,10 Kn,1%,0.25W 110-64.9K-1 RESISTOR,FXD,MF,64.9 Kn,1%,0.25W RESISTOR,FXD,MF,64.9 Kn,1%,0.25W 110-64.9K-1 RESISTOR,FXD,MF,45.3 Kn,1%,0.25W...
  • Page 460 A23 MICROPROCESSOR PCB SECTION �PARTS LISTS Table 5·25. A23 PCB Parts List (1 VENDOR PART VENDOR DESCRI PTION NUMBER NAME 250-57 CAPACITOR,FXD ,TANT, 150µF, 10%,6V 196D157X9006PE3 SPRAGUE 230-37 CAPACITOR,FXD.CER,0.1µF,20%, 1 O O V RPE 122104M100V MURATA/ERIE 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M1 OOV MURATA/ERIE 230-37...
  • Page 461 SECTION �PARTS LISTS A23 MICROPROCESSOR PCB Table 5-25. A23 PCB Parts List (2 VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-10K-1 RESISTOR,FXD,M F,10 Kn,1%,0. 2 S W RESISTOR,FXD,MF, 1oon, 1 %,0.2SW SMA-4 OR C4 110-100-1 CORNING RESISTOR,FXD,MF, 10 Kn,1%,0.2SW 110-10K-1 RESISTOR,FXD,M F, 10 Kn,1%,0.
  • Page 462 A23 MICROPROCESSOR PCB SECTION 5-PARTS LISTS Table 5-25. A23 PCB Parts List (3 of 3) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 54-409 MEMO RY,6264,RAM HM6264P-15 HITACHI CALL FAC- E E PROM CALL FACTORY TORY CALL FAC- EE PROM CALL FACTORY TORY 54-409 MEMO RY,6264, RAM...
  • Page 463 SECTION 5-PARTS LISTS A24 GPIB PCB ( 1 of 2) Table 5-26. PCB Parts List VENDOR PART VENDOR DESCRI PTION NAME NUMBER 2S0-41 CAPACITOR,FXD,TANT.6.BµF, 10%,3V 19606 BSX903SK E3 SPRAGUE 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 100V RPE 122104M100V MURATA/ERI E 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M100V MURATA/ERI E 230-37...
  • Page 464 A24 GPIB PCB SECTION 5-PARTS LISTS Table 5-26. A24 PCB Parts List (2 VENDOR PART VENDOR DESCRIPTION NUMBER NAME TIL,7210.,GPIB TALKER/LIST UPD7210C 54-330 54-533 CMOS, 7 4HCT373 MC74HCT373N MOTOROLA CMOS,74HCT74,DUAL CD74HCT74E 54-527 EPROM CALL FACTORY CALL FAC- TORY MEMORY,6 264, RAM,SK/8 HM6264P-15 HITACHI 54-409...
  • Page 465 SECTION 5-PARTS LISTS A25 SWITCHING POWER SUPPLY PCB Table 5-27. A25 PCB Parts List ( 1 of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 223-130 CAPACITOR,FXD,MICA, 130PF,5%,50V CM04ED131J03 ARCO 230-33 CAPACITOR,FXD,CER,2000PF,20%,5V BGP.002+-20%500VY5U 230-37 CAPACITOR,FXD,CER,0.1µF,20%, 1 OOV RPE122104M100V MURATA/ERIE 250-121 CAPACITOR,FIXED,CER,0.01µF 30GAS10 SPRAGUE...
  • Page 466 A25 SWITCHING POWER SUPPLY PCB SECTION �PARTS LISTS Table 5·27. A25 PCB Parts List of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 230-3 CAPACITOR,FXD,CER, 1C )OOPF, 10%, 1 V DD-102 CENTRALAB 250-162 CAPACITOR,FXD,ALUM,22µF,20% UPA2C220M NICHICON 250-162 CAPACITOR,FXD,ALUM,22µF,20% UPA2C220M NICHICON 250-134 CAPACITOR,FXD,ALUM,47µF UPAIH470MRH...
  • Page 467 SECTION �PARTS LISTS A25 SWITCHING POWER SUPPLY PCB 5-27. A25 Table PCB Parts List (3 of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 10-40 DIODE,RECTIFIER,MR822 MR822 CR22 MOTOROLA DIODE,RECTI FIER,MR822 MR822 CR23 10-40 MOTOROLA DIODE,RECTIFIER,MR822 MR822 CR24 10-40 MOTORO LA 1 0-40 DIODE,RECTIFIER,MR822 MR822...
  • Page 468 A25 SWITCHING POWER SUPPLY PCB SECTION �PARTS LISTS ( 4 of Table 5-27. A25 PCB Parts List VENDOR PART VENDOR DESCRI PTION NUMBER NAME SMA-4 OR C4 110-100-1 RESISTOR,FXD,MF, 100.Q, 1%,0.25W CORNING 110-22 .1 K-1 RESISTOR,FXD,MF,22.1 Kn, 1 %,0.25W 110-1.87K-1 RESISTOR,FXD,MF, 1.87 Kn, 1 %,0.25W 110-3.16K-1 RESISTOR,FXD,MF,3.16 Kn,1%,0.25W...
  • Page 469 SECTION 5-PARTS LISTS A25 SWITCHING POWER SUPPLY PCB Table 5·27. A25 PCB Parts List (5 of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-10-1 RESISTOR,FXD, 10.on, 1% SMA-4 OR C4 CORNING 110-10-1 RESISTOR, FXD,10.0Q, 1% SMA-4 OR C4 CORNING 110-402-1 RESISTOR,FXD,MF,402n, 1 %,0.25W 110-24.9-1...
  • Page 470 A27 AUXILIARY VO PCB SECTION 5-PARTS LISTS Table 5-27. PCB Parts List (6 of 6) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 54-765 PWM,TL494,SINGLE TL494CN MOTOROLA 54-555 OP AMP,NE555,SI NGLE LM555CN RCA SOLID STATE 54-1 58 COMPARATOR,LM393,DUAL LM393N SIGNETICS 54-205 DIGITAL INTERFACE, MC4044 MC4044P MOTOROLA...
  • Page 471 SECTION �PARTS LISTS A28 MOTHERBOARD PCB 5-29. A28 ( 1 of 2) Table PCB Parts List VENDOR PART VENDOR DESCRIPTION NUMBER NAME 230-40 CAPACITOR.FXD,CER,0.01µF,20%, 1V 5GA-S10 SPRAGUE 230-40 CAPACITOR,FXD,CER,0.01µF,20%,1V 5GA-S10 SPRAGUE 250-144 CAPACITOR,FXD,ALUM, 1500µF,20% ULB1H152M NICHICON 250-19A CAPACITOR,FXD, TANT, 1µF,10%,35V 1 96D-105X9035HA 1 SPRAGUE 230-37...
  • Page 472 SECTION 5-PARTS LISTS A28 MOTHERBOARD PCB Table lS-29. A28 PCB Parts List VENDOR PA RT VENDOR DESCRI PTION NUMBER NAME 110-487-1 RESISTOR,FXD,MF,487n, 1 %,0.25W 110-1.96K-1 RESISTOR, FXD,MF, 1.96 Kn, 1 %,0.25W 110-9.53K-1 RESISTOR,FXD,MF,9.53 Kn,1%, 0.25W RESISTOR,FXD,MF,1 Kn,1%,0.25W 110-1K-1 RESISTOR,FXD,MF, 15 Kn, 1%,0.25W 110-15K-1 RESISTOR,FXD,MF,1 Kn,1%,0.25W 110-1K-1...
  • Page 473 SECTION �PARTS LISTS A29 REAR PANEL INTERFACE PCB Table 5-30. A29 PCB Parts List (1 of 8) VEN DOR PART VENDOR DESCRI PTION NUMBER NAME 250-40A CAPACITOR,FXD,TANT,2.2µF,20%,2V 196D225X0025H A 1 SPRAGUE 250-40A CAPACITOR,FXD,TANT,2.2µF,20%,2V 196D225X0025H A 1 SPRAGUE 250-40A CAPACITOR,FXD,TANT,2.2µF,20%,2V 196D225X0025HA 1 SPRAGUE CAPACITOR,FXD,CER,0.
  • Page 474 A29 REAR PANEL INTERFACE PCB SECTION 5-PARTS LISTS (2 of Table 5-30. A29 PCB Parts List VENDOR PART VENDOR DESCRI PTION NUMBER NAME 10-1N751A DIODE.ZENER, 1 N751A 1N751A MOTOROLA 10-1N751A DIODE,ZENER, 1 N751A 1N751A MOTOROLA 10-1N751A DIODE,ZENER.1 N751A 1N751A MOTOROLA CR11 10-1N751A DIODE.ZENER, 1 N751A...
  • Page 475 SECTION 5-PARTS LISTS A29 REAR PANEL INTERFACE PCB Table 5-30. A29 PCB Parts List (3 of 8) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 551-707 CONNECTOR, HEADER 69167-103 BERG 551-707 CONNECTOR, HEADER 691 67-103 BERG 551-707 CONNECTOR.HEADER 69167-103 BERG 551-548 CONNECTOR HEADER 68001-106 BERG...
  • Page 476 A29 REAR PA NEL INTERFACE P CB SE CTION �ARTS LISTS Table 5-30. A29 PCB Parts List (4 of 8) VENDOR PART VENDOR D ESCRI PTION NUMBER NAME 20-2N3906 TRANSISTOR,PN P,2N3906 2N3906 MOTOROLA 1 1 0-1 00-1 RESISTOR,FXD,MF, 1 oon.1 %,0.25W SMA-4 OR C4 CORNING 1 1 0-1 00-1...
  • Page 477 SECTION 5-PARTS LISTS A29 REAR PANEL INTERFACE PCB Table 5-30. A29 PCB Parts List of 8) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 110-215-1 RESISTOR,FXD,MF,215Q, 1 %,0.25W RESISTOR,FXD,MF,21 5!1, 1 %,0.25W 1 1 0-215-1 1 1 0-61.9-1 RESISTOR,FXD,MF,61.9!1, 1 %, 0.25W SMA-4 OR C4 CORNING 110-61.9-1...
  • Page 478 A29 REAR PANEL INTERFACE PCB SECTION �PARTS LISTS Table 5·30. A29 PCB Parts List (6 of 8) VENDOR PART VENDOR DESCRI PTION NUMBER NAME 1 1 0-825-1 RESISTOR, FXD,MF,825il, 1 %,0.25W R 1 00 1 1 0-1 K-1 RESISTOR,FXD,MF, 1 .0 Kil, 1 %,0.025W R101 1 1 0-2.26K-1 RESISTOR, FXD,MF,2.26 Kil, 1 %,0.25W...
  • Page 479 SECTION 5-PARTS LISTS A29 REAR PANEL INTERFACE PCB Table 5-30. A29 PCB Parts List (7 of 8) VENDOR PART VENDOR DESCRI PTION NUMBER NAME R 1 57 1 1 0- 1 0 K-1 RESISTOR, FXD,MF, 1 0.0 Kn, 1 %,0.25W R 1 58 1 1 0-1 33-1 RESISTOR, FXD,MF, 1 33n, 1 %,0.25W...
  • Page 480 A29 REAR PANEL INTERFACE PCB SECTION �ARTS LISTS Table 5-30. A29 PCB Parts List (8 of 8) VENDOR PART VENDOR DESCRI PTION NUMBER NAME T.I. 54-144 TIL,7545 1 , DUAL SN7545 1 BP 54-144 TIL, 7545 1 , DUAL SN75451 BP T.
  • Page 481 SECTION �PARTS LISTS OPTIONS AND ACCESSORIES T bl 5 31 0 t' sem IV 1-Rack M • DESCRIPTION DESCRIPTION 783-79 ADHESIVE 900-95 SCREW.FL.AT HEAD 790-106 EXTENSION BRACKET A31689 TRIM STRIP,OPTION HANDLE 790-292 SLIDE KIT.RACK C31667 OPTION HANDLE 900-336 NUT,KEP D31678-1 LEFT ADAPTER P L.ATE 900-91 SCREW .F LAT HEAD...
  • Page 482 OPTIONS AND ACCESSORIES SECTION �PARTS LISTS DESCRIPTION DESCRIPTION 900-392 WASHER,#6 51 3-31 RF BULKHEAD K CONNECTOR A1 3393 PLUG BUTION,PAINTED 680-645 LABEL A31 886 720- 1 /8 CABLE FASTE NER,CLAMP BRACKET,CABLE SU PPORT A31 887 PLUG.RF OUTPUT 783-97 ADHESIVE,CONTACT CEMENT A92 1 0- 1 3 CABLE ASSY 900- 1 48...
  • Page 483 SECTION 5-PARTS LISTS INDEX DESCRIPTION C81 87-2 ON/STANDBY PUSH BUTION 832 1 54-20 DECR PUSHBUTION INCR PUSH BUTION 832 1 54-1 9 A1 2070 INCR/DECR KNOB 8321 54-7 "." PUSH BUTION 8321 54-8 " 1 " PUSH BUTION 8321 54-9 ·2·...
  • Page 484 MECHANICAL PARTS gure 5-1. Top Assembly 5-115...
  • Page 486 MECHANICAL PARTS SECTION 5-PARTS LISTS INDEX DESCRIPTION STANOOF�MALE/FEMALE 790-265 · g MOUNTING BRACKET A31 594 DC MOTOR 60-25 031 702-3 A2 PCB ASSY,FRONT PANEL 031 701 -3 A 1 PCB ASSY,FRONT P ANEL SUBPANEL PLATE ASSY C31949 803-30 RIBBON CABLE Figure l5·2.
  • Page 487 SECTION �ARTS LISTS INDEX INDEX DESCRIPTION DESCRIPTION 031849 REAR CASTING C31 836 DIGIT AL HOUSING 63 1 600 EXTRUSION.LOWER LEFT 631 84 1 DIGITAL HOUSING COVER C31838 CARD CAGE C31 835 POWER SUPPLY HOUSING BRACKET.LEFT 631839 POWER SUPPLY HOUSING 631 598 EXTRUSION.UPPER LEFT COVER 031 938...
  • Page 488 MECHANICAL PARTS • · •••Ii • • 0 " • Figure G-3. Basic Frame Assembly 5-117...
  • Page 489 INDEX DESCRIPTION C31703-4 A3 PCB ASSY,COARSE LOOP MIXER D31806-3 A6 PCB ASSY,CO ARSE LOOP DIVIDER D31914-4 A4 PCB ASSY,COARSE LOOP OSC C31709-3 A9 PCB ASSY, F INE LOOP D31805-3 A5 PCB ASSY,500 MHZ REF C31707-4 A7 PCB ASSY,REF DIVIDER C3171 2-4 A12 PCB ASSY,YIG PHASE DETECTOR D31925-3...
  • Page 490 MECHANICAL PARTS SECTION 5-PARTS LISTS Figure 15-4. PCB Mechanical Assembly 5-118 67XXB MM...
  • Page 492 MECHANICA L PARTS Figure 5-6. Pull Out PCBs 5-119...
  • Page 493 INDEX DESCRIPTION A36026 CABLE ASSY,MCX TO MCX,SINGLE SHIELDED A36026-27 SINGLE SHIELDED COAX,RG174,MCX TO MCX,A1372 TO A15J1 A36026-1 A3J1 TO A6J1 ,RG174, COAX A3J2 TO A5J2 A36026-2 A36026-3 A3J3 TO A4J2 A4J1 TO POWER AMP IN A36026-4 A36026-5 A5J 1 TO A7J1 A36026-7 A6J2 TO A 1 OJ2 A36026-8...
  • Page 494 MECHANICAL PARTS SECTION 5-PARTS LISTS Figure 5-6. Cabling Digital Housing 5-120 67XXB MM...
  • Page 495 SECTION �ARTS LISTS INDEX DESCRIPTION D31828-3 A28 PCB.MOTHERBOARD 031600 EXTRUSION.LOWER LEFT 031584 SHIELD. HIGH VOLTAGE A8138 LABEL.DANGER LINE VOLTAGE 031646 SHIELD, CABLE D31829-3 A29 PCB.REAR PANEL INTERFACE B31601 EXTRUSION.LOWER RIGHT A32075-1 CABLE ASSY, 2-CONDUCTOR,26 AWG 67XXB MM...
  • Page 496 MECHANICAL PARTS � I View Figure 5-'7. Basic Frame Asse m bly, Bottom 5-121...
  • Page 497 INDEX DESCRI PTION 551 -579 CONN.AUX 931926 CABLE ASSY, POWER METER 51 0-5 CON N , BNC FEMALE D31 849 REAR CASTING A31 928 CABLE ASSY,GPIB 553-248 FUSE HOLDER,3 AG 41 0-85 SWITCH, ROTARY, LI N E SELECT 551 -588 CONN ACC ESSORY,M NTG HARDWARE C31 61 2...
  • Page 498 SECTION 5-PARTS LISTS MECHANICAL PARTS NOTE: USE SLOW BLOW FUSES ONLY. I N PUT � O U TPUT '@) O U T P UT �I E F � BLANK SWI T CH 90-1 30V I N PUT O U TPUT BLANK 1 80·260V DO NOT OPERA TE...
  • Page 499 SECTION S:-PARTS LISTS - 1 1 · I 67XXB MM...
  • Page 500 MECHANICAL PARTS Figure 5-8. Rear Panel Assembly (2 of 2) 5-123...
  • Page 501 SECTION �PARTS LISTS MICROW A VE DECK A SSEMBLY INDEX INDEX DESCRIPTION DESCRIPTION 1000-41 A30 SAMPLER/IF AMP ASSY 18 TO 26.5 GHz DUAL C36025 ISOLATOR B31867-1 A31 POWER AMP/MU LT. 43KA-6 ATTENUATOR,6 dB ASSY SWITCHING F ILTER 43KA-10 ATTENUATOR,10 dB C31755-3 ND34998 OUTPUT CONN ASSY,...
  • Page 502 MICROWA VE DECK A SSEMBLY TOP VIEW BOTTOM VIEW ,' I ; · ,C- " ' 67XXB MM...
  • Page 503 SECTION 5-PARTS LISTS "� Figure 5-9. Microwave Deck Assembly, Bottom View 5-125/5-126...

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