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Communication Electronics Technology
division of Watkins-Johnson

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WJ-CEI Surveillance Systems WJ-CEI System Accessories WJ-CEI Related History WJ-CEI Resources

WJ-CEI Document Index

 

MAIN INDEX:

 

Catalogs

Manuals

Price Lists

Data Sheets

Misc Technical Information

Technical Publications

Version Guides

Option Lists

Equipment Guides

Tech Articles by Collectors Tech Notes Index (links & copies for sale) WJ Components
Application Notes & Misc Technical Memos Advertisements Software
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Catalogs

BIG files! - catalog description page

Communication Electronics, Inc - 1966

WJ Recon Div - May 1990

BAE Accessories - 2001

Communication Electronics, Inc - 1968

Watkins Johnson - 1993

BAE Signal Processing - 2001

Watkins Johnson - 1970

Watkins-Johnson - 1996 BAE Wireless - 2001

Watkins Johnson - 1970 (late)

Watkins Johnson - 1997  
Watkins Johnson - 1971    
Watkins Johnson - 1978 BAE New Products - 2001

WJ-9040 System Designer Handbook

Watkins Johnson - 1982

BAE Receivers - 2001

Watkins Johnson - 1988

BAE Tuners - 2001 WJ RF & Microwave Components 1988-89

Watkins Johnson - 1989

BAE DF Systems - 2001  

Technical Publications

WJ Tech Notes (all issues, free downloads)

WJ Tech Notes (physical copies for sale)

 

Design Considerations for an Economical Compact Microwave Receiver (WJ-8969)

 

 

Price Lists

Watkins-Johnson - 1971 Watkins-Johnson - 1992  

Watkins Johnson - 1982

Watkins Johnson - 1995

 

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Equipment Guides (short descriptions of features for various models)

CEI/ WJ receiver & tuner guide

CEI/ WJ SDU guide

CEI/ WJ receiving systems guide

CEI/ WJ accessories & components guide

Options Lists

WJ-8615 receiver options

WJ-8617/8618 receiver options

WJ-8716/8718 receiver options

Version Guides

WJ-8615 receiver versions

WJ-8617 receiver versions

WJ-8618 receiver versions

Data Sheets

232-1 & 232-2 tuners TH-5 wide BW tuning head WJ-8969 microwave receiver
301A VLF receiver (CEI Rockville) TH series tuning heads WJ-8969B microwave receiver
301A-1 VLF receiver (CEI Rockville)   WJ-8969C microwave receiver
302 VLF receiver (CEI Rockville) AN/URR-74 HF receiver (mil spec WJ-8718A)  
340A VLF receiver (WJ Gaithersburg)  

WJ-8986 correlative vector DF system (1991)

351 LF receiver (CEI Rockville) HF-1000 HF receiver WJ-8986A correlative vector DF system (1997)
352 LF receiver (CEI Rockville) HF-1000A HF receiver WJ-8986-1 correlative vector DF processor
353 LF receiver (CEI Rockville)    
354 LF receiver (CEI Rockville) S-9903E 7 input speaker

WJ-8999 Tempest receiver

355 LF receiver (CEI Rockville) WJ RCS receiver control software  
356 LF receiver (CEI Rockville) WJ-8605 VHF/UHF Miniceptor

WJ-9040 ASU-226A audio switch

357 LF receiver (CEI Rockville) WJ-8607 VHF/UHF Miniceptor

WJ-9040 DDF102 DF unit

371A HF receiver (CEI Rockville) WJ-8609A wide bandwidth VHF/UHF Miniceptor

WJ-9040 DLP100 data logger

373A HF receiver (CEI Rockville) WJ-860x/GFE Miniceptor 3 GHz option

WJ-9040 MRU109 mod recognizer

377A HF receiver (CEI Rockville) WJ-860xA/GFE Miniceptor 3 GHz option

WJ-9040 MVU104 multicoupler

  WJ-8611 HF/VHF/UHF receiver (1996)

WJ-9040 PHF101 preselectors

501 VHF receiver (CEI Rockville) WJ-8611 HF/VHF/UHF receiver (1997) WJ-9040 PHF102 preselector
501A VHF receiver (CEI Rockville, 1964) WJ-8615P VHF/UHF receiver WJ-9040 PHF 103 preselector
501A VHF receiver (CEI Rockville, 1967)  

WJ-9040 SDU100 display

501A VHF receiver (WJ Rockville, 1969)

WJ-861xA VHF/UHF receivers

WJ-9040 SSU226 signal switch

504A VHF receiver (CEI Rockville, 1967)

WJ-8617B VHF/UHF receiver

WJ-9040/SYS001 receiving system

504A VHF receiver (WJ Rockville, 1969) WJ-8617B(X) VHF/UHF receiver (S1 version)

WJ-9040/SYS003 receiving system

519 VHF receiver (CEI Rockville) WJ-8617B-17 VHF-UHF receiver addendum

WJ-9040/SYS007 receiving system

521A VHF receiver (CEI Rockville, 1967)  

WJ-9040/SYS013 receiving system

521A-1 VHF receiver (WJ Rockville, 1971) WJ-8621 VHF/UHF wideband VXIceptor WJ-9012 HF DF system
555 VHF receiver (WJ Rockville) WJ-8629 VHF/UHF VXI receiver  
565A VHF receiver (WJ Rockville)   WJ-9119 VXI HF receiver
595 VHF receiver (WJ Rockville)

WJ-8625-1 VLF receiver

WJ-9128-X VXI HF receiver
601A VHF receiver (CEI Rockville)

WJ-8626A-1 HF handoff receiver

WJ-9128/TTI interface control unit
 

WJ-8626A-4 HF receiver

 
701 UHF receiver (CEI Bethesda)

WJ-8627 VHF/UHF receivers

WJ-9168 signal monitor module
701A UHF receiver (CEI Rockville)

WJ-8628-1 VHF/UHF handoff receiver

 
702 UHF receiver (CEI Bethesda)

WJ-8628-4 VHF/UHF receiver

WJ-9195C RASP unit

702A UHF receiver (CEI Rockville)

WJ-8628A-4 VHF/UHF receiver

WJ-9205 & WJ-9206 SDUs

702A receiver (WJ Rockville)    
704 UHF receiver (CEI Bethesda) WJ-8634 VHF/UHF VXI receiver WJ-9310 VHF/UHF 12 out multicoupler
705 UHF receiver (CEI Bethesda) WJ-8635 HF/VHF/UHF receiver WJ-9311 HF 8 out multicoupler
725 UHF receiver (CEI Rockville) WJ-8653B Microceptor WJ-9314 VHF/UHF 4 out multicoupler
730A UHF receiver (CEI Bethesda) WJ-8664 suitcase VHF/UHF receiving system WJ-9315 VHF/UHF 3 in 12 out multicoupler
737 UHF receiver (WJ Rockville) WJ-866x VHF/UHF receiver family configuration  
770 UHF receiver (CEI Bethesda) WJ-866x DAT playback system WJ-9424 VGC processor
770A UHF receiver (CEI Rockville)  

WJ-9470 multi-FSK demod

775-3 UHF receiver (CEI Rockville) WJ-8700 HF receiver (developmental)

WJ-9471 VFT FSK demod

  WJ-8700 HF receiver

WJ-9472 dual FSK demod

901A VHF receiver (CEI, Bethesda)

WJ-8709 HF iniceptor receiver

WJ-9477(G) tunable demod

901B VHF receiver (CEI, Rockville)

WJ-8710 HF receiver

WJ-9478-1 tunable converter

903B VHF receiver (CEI, Rockville) WJ-8710A HF receiver WJ-9488 digital sub-band tuner
904 VHF receiver (CEI, Bethesda) WJ-8711 HF receiver WJ-9497 DSP HF/VHF tunable demodulator
904A VHF receiver (CEI, Rockville) WJ-8711A receiver (WJ)  
905 VHF receiver (CEI, Bethesda) WJ-8711A HF Receiver (Signia IDT)

WJ-9518BE tunable FDM demodunlator

905A VHF receiver (CEI, Rockville) WJ-8712 HF receiver WJ-9543 DSP FDM channel/group demodulator
906 VHF receiver (CEI, Bethesda) WJ-8712A HF receiver

WJ-9548 DSP HF tunable FDM (preliminary)

906A VHF receiver (CEI, Rockville)

WJ-8712P receiver (WJ)

WJ-9548 DSP HF tunable FDM (1997)
907 VHF receiver (CEI, Rockville) WJ-8712P HF receiver (BAE) WJ-9548-1 DSP HF tunable FDM (1997)
952 VHF receiver (CEI, Rockville) WJ-8712P (Signia-IDT)  
960B VHF receiver (CEI, Rockville) WJ-871y option matrix WJ-9881A portable DF antenna
960B-2 VHF receiver (CEI, Rockville) WJ-871y/485 interface option WJ-9886 VHF/UHF DF antennas
965 VHF receiver (CEI, Rockville) WJ-871y/DSO1 digital signal output option WJ-9887 VHF/UHF low profile DF antenna
977 VHF receiver (CEI, Rockville)

WJ-871y/SEU speech enhancement unit

 
    WJ-9896 HF DF array
DM-4 demodulator

WJ-8716 HF receiver

 
DMS-105 special demodulator WJ-8718 HF receiver WJ-9605 Miniceptor front panel unit
DMS-105A special demodulator WJ-8718 & AN/URR-74 HF receivers WJ-9607 multi-Miniceptor front panel unit
DMS-105A-2 special demodulator WJ-8718A HF receiver (w/MFP)  
DMS-105R special demodulator   WJ-9902A Miniceptor equipment frame
DMS-107 & DMS-107A signal processor (1970) WJ-8721 HF receiver (VXI) WJ-9903-3 dual Miniceptor equipment frame
DMS-107 & DMS-107A signal processor (1973)   WJ-9904 Microceptor equipment frame
DMS-109 special demodulator WJ-8723 HF receiver WJ-9908A eight Miniceptor equipment frame
  WJ-8730 receiver schematics  
DRO-50 frequency display (for SP-600) WJ-8770-1 manpack HF receiver WJ-9954 half rack 7 input speaker
DRO-302A frequency display WJ-8809A microwave miniceptor

DRO-302B frequency display   WJ-36500 microwave receiver
 

WJ-8888 HF receiver

 
MTF-102A microwave tuning frame

WJ-8922 surveillance system

 
 

 
RS-111-1B-7 (CEI) WJ-8940B Receiver System  

RS-111-1B-12 (CEI)

   
RS-111-1B-12B (WJ)    
     
SM-8512 signal monitor (CEI, 445kHz in)    

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Application Notes & Misc Technical Memos

WJ Standard Test Methods, April 1977 EMC Test Applications of the WJ-8940B Pre-Production Test Procedures for WJ-8618
  WJ-8711 DSP Programming Notes  
     

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Manuals

Complete manuals (unless noted) Some of these are BIG files!

112 microwave receiver TH-120A microwave tuner 1-2 GHz (MTF frames) WJ-8718/232 option
(courtesy of Paolo Viappiani)
112 microwave receiver, Class C TH-145C microwave tuner 1-4.5 GHz (MTF frames) WJ-8716/8718 - 1 Hz Tuning Option
(created by Paolo Viappiani)
112-1 microwave receiver TH-145R microwave tuner 1-4.5 GHz (MTF frames) WJ-8716/8718 - 10 Hz BFO Tuning Option
(created by Paolo Viappiani)
205 receiver (RS-160) TH-240A microwave tuner 2-4 GHz (MTF frames) WJ-8718/488-2 option
(courtesy of Paolo Viappiani)
205-2 receiver (RS-160) TH-480A microwave tuner 4-8 GHz (MTF frames) WJ-8718/COR option
(courtesy of Paolo Viappiani)
215 receiver (RS-160) TH-480B, TH-480C microwave tuner 4-8 GHz copy 1 (MTF frames) WJ-8718/FSK option
(courtesy of Paolo Viappiani)
232-1 & 232-2 tunable filter TH-480B, TH-480C microwave tuner 4-8 GHz copy 2 (MTF frames) WJ-8718/PRE option
340A VLF receiver TH-480R microwave tuner 4-8 GHz (MTF frames) WJ-8718/SMO option
357 VLF receiver (R-1401/G) TH-812A microwave tuner 8-12 GHz (MTF frames)  
371A HF receiver   WJ-8730 schematics
373A HF receiver VH-101 tuning head (560-565-566 rx)  
487A-(x) receiver VH-103 tuning head (560-565-566 rx) WJ-8888 HF receiver
501 VHF receiver VH-107 tuning head (560-565-566 rx)  
521A VHF receiver   WJ-8940B operating (sec 1 only)
560 VHF receiver   WJ-8940B EMC test applications
566 VHF receiver WJ-8607 Miniceptor receiver  
701A UHF receiver WJ-8607A Fast Miniceptor receiver WJ-8969/IFC demod/controller

702 UHF receiver

WJ-8607A Appendix D - amplified 21.4 MHz IF Out & 10 MHz reference oscillator options WJ-8969/TU0145, WJ-8969/TU0412, and WJ-8969/TU0112 tuning units
775-3 VHF receiver WJ-8607A Appendix E - digital scan output option WJ-8969 troubleshooting notes
901 VHF receiver (Ross Lahlum) WJ-860x Appendix I - MCS-1 Miniceptor control software ver 5.0 WJ-8969 microwave receiver overview
901-1 VHF receiver (Ross Lahlum) WJ-8607A Appendix J - HPIL interface option  
901-5 VHF receiver (Ross Lahlum) WJ-8607A Appendix K - calibration option  
903A VHF receiver WJ-860x and xA Appendix L - 3GFE frequency exrtender options WJ-8969 operation (w 3 appendices)

904A VHF receiver

WJ-8654 Appendix I - MCS-1 Miniceptor Control Software ver 5.0

906A VHF receiver

WJ-8809 Appendix I - MCS-1 Miniceptor Control Software v5.0 WJ-8975 DF processor (AN/PRD-11)

906A-4 VHF receiver

 
952 VHF receiver (partial) WJ-8610 VHF/UHF series receiver WJ-9026 VHF/UHF receiver
970A VHF receiver WJ-8611 VHF/UHF receiver (from anonymous) WJ-9028 VHF/UHF receiver
975 VHF receiver WJ-8615P VHF/UHF receiver  
AN/PRD-11 HF tactical DF receiver WJ-8616A VHF/UHF receiver WJ-9040 IFD220 demodulator
AN/URR-52A (RS-111-1B-7) VHF-UHF receiver WJ-8617A VHF/UHF receiver WJ-9040 SDU101 signal monitor
AN/URR-74 HF receiver (Feb 1982) (NAV version of WJ-8718) WJ-8617B-HFE option WJ-9040 SRM105 time base
AN/URR-74 HF receiver (June 1983) (NAV version of WJ-8718) WJ-8617B(S1) options manual
(SMO, FE, FEX, DRD, 488, ASO, WBO, SSB, NRT, LOGV, RLOG, HFE, LFE, BITE, RTC, DFC, VBFO, ISB, PKC, 232, IF & Demod, PSM)
WJ-9040 system common equipment
  WJ-8618B(S1) VHF/UHF receiver  
CSU-160 tuner switching unit (RS-160) WJ-8618B(S1) options
(see list under WJ-8617B(S1)
WJ-9040 maintenance course handout
DM-112 & DM-112-1 demod WJ-8618 Pre-Production Test Procedures  
DM-112 & DM-112-1 demod schematics   WJ-9073-2 tracking preselector
DM-112-5 demod (UK mods) WJ-8625-1 VLF receiver (WJ-9040)  
  WJ-8626A-4 HF receiver (WJ-9040) WJ-9080A wideband tuner
DMS-105A tunable demod WJ-8626-4/PRE preselector (WJ-9040) WJ-9080B wideband tuner
DMS-107 & DMS-107A tunable demod WJ-8626A-4/FSK demodulator (WJ-9040)
DMS-109 tunable demod WJ-8628-4 VHF/UHF receiver (WJ-9040) WJ-9188A-18 signal monitor
  WJ-8628-4 FE UHF frequency extender (WJ-9040) WJ-9205 signal monitor
DRO-302B frequency counter WJ-8628-4-5 HFE 223 HF frequency extender (WJ-9040) WJ-9180 signal monitor (AN/PRD-11)
DRO-309A frequency counter WJ-8628-4-6 supplement (WJ-9040)  
DRO-309B frequency counter WJ-8626A-4 MPSA supply (WJ-9040) WJ-9518 FDM demodulator
DRO-315 frequency counter WJ-8628A-4 MPSA supply (WJ-9040) WJ-9518E FDM demodulator
DRO-333 frequency counter    
DRO-333A frequency counter WJ-8640 HF receiver (R-2220/GRR-8) WJ-9546 demodulator
  WJ-8640 HF receiver WJ-9548 demodulator
FS-101-2 & FS-102-2 frequency synthesizer   WJ-954x option appendices
  WJ-8700 HF receiver manual  
HF-1000 HF receiver WJ-8700 Appendix I - MCS-1 miniceptor control software v5.0 WJ-9605 front panel unit
 
MP-101-5 meter panel   WJ-9902 receiver controller
  WJ-8710A HF receiver  
MTF-100, MTF-101 microwave tuning frame WJ-8711A HF receiver (rev Q)  
MTF-100A, MTF-100, MTF-102 microwave tuning frame WJ-8711A HF receiver (rev Z) excerpts
  WJ-871y receiver options (PRE, COR, 488, 8KRF, PCSM2, 485, SEU, IFC125, FSK) WJ-8615 (all versions) error code lists
R-480 receiver WJ-8711 DSP Fundamentals

WJ-8615D config DIP switches

R-485-03050 receiver (special R-480) WJ-8712 HF receiver

WJ-8615D config with 488 remote control

R-1401/G manual (357) LF-VLF receiver WJ-8712P HF receiver

WJ-8615D diagnostics

R-2220/GRR-8 receiver (WJ-8640)  

WJ-8615D connection pinouts

   

WJ-8615D filter options

RS-111-1B-2 VHF/UHF receiver WJ-8716 supplement (to WJ-8718)

WJ-8615D layout views

RS-111-1B-7 (AN/URR-52A) VHF/UHF receiver  

WJ-8615D operation

RS-111-1B-12A (& B) VHF/UHF receiver WJ-8718 series instruction (Paolo Viappiani)

WJ-8615D description

RS-111-1B-17 VHF/UHF receiver supplement WJ-8718 series (enhanced by Paolo Viappiani)

WJ-8615D maintenance

RS-111-1B-26 VHF/UHF receiver supplement WJ-8718-9 HF receiver  
  WJ-8718-9 (revised, Paolo Viappiani)  
RS-160 system interconnections WJ-8718-17 HF receiver  
HH-11 tuner 2-30 MHz (205, 215, RS-160) WJ-8718-19 HF-VHF receiver  
VH-11 tuner 30-60 MHz (205, 215, RS-160) WJ-8718-19 HF-VHF receiver (enhanced by Paolo Viappiani) R-390x IF mods for use with SM-8512
VH-12 tuner 60-120 MHz (205, 215, RS-160) WJ-8718/NAV (Navy version of receiver designated URR-74, Feb 1982)  
VH-13 tuner 100-180 MHz (205, 215, RS-160) WJ-8718/NAV (Navy version of receiver designated URR-74, June 1983)  
UH-11 tuner 250-500 MHz (205, 215, RS-160) WJ-8718/MFP supplement
(early version with A3=796032 & A4=796029)
 
UH-11-1 tuner 250-500 MHz (205, 215, RS-160) WJ-8718A/MFP supplement
(later version with A3=794308 & A4=794275)
 
  WJ-8718/MFP operators  
SM-8421 signal monitor    
SM-8510 signal monitor    
SM-8511 signal monitor    
SM-8512 signal monitor    
SM-8513 signal monitor    
SM-9310A signal monitor    
SM-9803A signal monitor    
SM-9804A signal monitor    
     
SWP-125-2 switch panel    

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Software

Receiver Control Software (RCS) Miniceptor Control Software (MCS) HF Receiver Control Software (PCSW)
Receiver Control Software 32 bit (RCS32) WJ-8712 control, Win 95, 98 & XP
(written by Carl McGowan G0KPE)
WJ-861x simple serial control
(written by Geoff Bunza AD7JP)
WJ-8618B LabView control (non-factory) WJ-8712 control software v1.0 (non-factory)  

Misc Technical Information

WJ Workmanship Manual (1978) WJ subassembly number index (partial) GE 7077 ceramic
planar tube data

WJ-8617/WJ-8618 (S1) switches

WJ model number
to NSN index

GE 7486 ceramic
planar tube data

WJ-8617/WJ-8618
keypad option (PKC)

NSN to WJ model
number index

Tuning encoder WJ-8617B(S1) - WJ-34846-1

WJ-8617B-17
preamp removal

CEI 901-1 block diagram

 

WJ-8617B/8618B 10 kHz bandwidth upgrade

Collins R-390 WB IF out for CEI SM-8512

 

If you download any of these documents or find this website to be a useful reference, please consider making a donation to support this research and the dissemination of these materials.

Technical Articles Written by Collectors (Collector Corner)

WJ-861xB LF & HF Upgrades
(Steve Pappin)

WJ-8617B VCO Alignment
(Spencer Bahner)

Field Installation of MFP on the WJ-8718A
(Paolo Viappiani)

WJ-861xB 10 kHz IF Filter Upgrade
(Steve Pappin)

Build Your Own External Keypad for WJ-861x Receivers (Paolo Viappiani)

WJ-862x (WJ-9040 Radios) Display Replacement (Geoff Greer)

WJ-8617B-17 Reducing Front End Overload (Spencer Bahner)

MFP Conversion for WJ-8718A
(Raymond Boute)

Field installation of the PRE option in any
version of the WJ-8718 (Paolo Viapianni)

WJ-8716 & WJ-8718 Details on the Differences Between the MCM and MCM-2 Boards
(Paolo Viappiani)

Notes & details on the Chinese rebuilt WJ-8718/MFP HF receivers (Paolo Viappiani) WJ-8718/MFP and WJ-8716/ MFP front panel tester (Paolo Viappiani)
Watkins-Johnson WJ-8711 & WJ-8712 comparison to Ten-Tec RX-340 & RX-331, including history (Paolo Viappiani)    

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WJ-9195C RASP unit (color)