Overview

Random collection of notes, schematics, datasheets, and pictures for YIG-based oscillators, multipliers, filters, etc.

Notes & Resources

1. An Overview of Microwave Design Considerations for Swept Sources  A good look at the YIG filter/multiplier used in HP microwave RF signal generators.
2. Standard Oscillator, Filter and Multiplier Driver Adjustment Procedure  Micro Lambda Wireless, Document No. 201.202  (428k PDF)
3. YIG Drivers - Application Note  Micro Lambda Wireless  (415k PDF)
4. YIG-Tuned Oscillators - Definitions  Micro Lambda Wireless  (110k PDF)
5. Microsource YIG Product Catalog  (1986)  (10.0M PDF)
6. Drive Circuit for YIG-Tuned Devices  U.S. Patent 4,581,594  (62k PDF)
7. YIG Oscillator  A really cool homemade YIG oscillator project by Donald Benson & Ali Tatari, San Jose State University Fall 2009, EE 172  (3.4M PDF)
8. HP 5086-7903 YIG Oscillator Control PCB & Schematic  (575k PDF)
• HP 5086-7903 YIG Pin-Out
• 5086-7906 is the YIG (3.0-7.0 GHz) used in the HP8563E.
• 5086-7267 is the YIG (3.8-6.2 GHz) used in the HP86222A plug-in.
• 5086-7131 is the YIG (2.0-6.2 GHz) used in ?
• 5068-7350 is the YIG (2.0.4.5 GHz) used in ?
• 86222-60007 is the 3.8 GHz cavity oscillator used in the HP86222A plug-in (+9 dBm, -10V, +20V)
• Isolator: 0960-0638 = PMI-8984 = WMI 16453 / 2.0-7.5 GHz, 20 dB ISO
• Isolator: 0955-0178 = TRW/Aertech AMF6567 / 6-18 GHz, Unk. ISO
• WMI PMI-444-2 Isolator
• YIG Filter: HP 0960-0473 = Yig-Tek 183-60 = Avantek S082-0959 (1.7-22 GHz, 62-72 MHz BW, 10 dBm IL MAX, HP8569B)  [Yig-Tek Pinout = J1: RF input, J1: RF output w/ 3dB, A: YTF Coil+, C: HTR+ 24V, B: HTR RTN, D: YTF Coil-]
9. HP YIG Oscillator Tear Down - HP 5086-7781  EEVblog thread.
10. HP 5086-7515 YIG Oscillator - Picture #1  (Picture #2)
11. HP 5086-7314 YIG Oscillator Datasheet  (62k PDF)
• Picture #1
• Picture #2
• Picture #3
12. HP 5086-7067 YIG Oscillator Pin-Out  FM +/- pins reversed?
13. DJ9KW's HP Repair Chronicles - YTO  HP 5086-7906 YIG oscillator bonanza.
• MicroLambda MLMY-1071-1 3-8 GHz YIG-Tuned Oscillator
• Philips / Sivers Lab PM7020 2.1-8.3 GHz YIG Oscillator
• Avantek ASF-8368M 2.0-4.1 GHz YIG-Tuned Oscillator
14. HP 8753C Network Analyzer: Spare YTOs  Well-documented YIG experiments from SimonsDialogs.
15. A Quick Look at the HP 5086-7259 YIG Oscillator
16. How Does a YIG-Tuned Oscillator Work?  In this video, Kerry Wong explains the operation principle of a YIG tuned oscillator and demonstrated the tuning of an HP 5086-7023 YIG oscillator (2.7-4.2 GHz).
17. Connecting the HP 5086-7023 YTO  by Joseph Haas (KE0FF)  (314k PDF)
18. YIG Tuned Oscillator (YTO) / YIG Tuned Filter (YTF) Driver: Digitally-Controlled Current Source
19. Phase-Locked Sources for LMDS and MVDS Applications  Microwave Journal, April 1997  (33k PDF)
20. A Simple Approach to YIG Oscillators  by Bernd Kaa, DG4RBF.  VHF Communications, 4/2004  (1.7M PDF)
21. Designing_YIG_Drivers  by A. S. Nagarajan & R. Prema.  Def. Sci. J, Vol. 32, No. 3, July 1982  (784k PDF)
22. Avantek Octave-Band YIG-Tuned Oscillators - Datasheet  (202k PDF)
23. Avantek AV-Series YIG-Tuned Oscillators
24. Dual-Loop YIG Control Schematic  National Radio Astronomy Observatory  (PDF)
25. A Synthesized, 90-120 GHz Signal Source    Using a WJ-5610-302F YIG and multiplier.  National Radio Astronomy Observatory
26. Teledyne Microwave YIG Oscillator Product Catalog  (822k PDF)
27. EIP Comb Generator - Tuning Curve
28. YIG-Tuned Bulk GaAs Oscillators  Watkins-Johnson Tech Notes, Vol. 1, No. 5 - September/October 1974  (3.3M PDF)
29. Wideband YIG-Tuned Oscillators  Watkins-Johnson Tech Notes, Vol. 13, No. 5 - September/October 1986  (4.2M PDF)
30. YIG-Tuned FET Oscillator Design - 8-18 GHz  Watkins-Johnson Tech Notes, Vol. 6, No. 5 - September/October 1979  (4.7M PDF)
31. K_a-Band YIG-tuned GaAs Oscillators  Watkins-Johnson Tech Notes, Vol. 2, No. 5 - September/October 1975  (3.4M PDF)
32. YIG-tuned Integrated Devices  Watkins-Johnson Tech Notes, Vol. 4, No. 5 - September/October 1977  (4.0M PDF)
33. Notes on the WJ-5008 YIG Oscillator
34. YIG Driver #526b  by Dick Plambeck.  Circuit designed by Doug Thornton, 1986.  (354k PDF)
35. An Introduction to YIG-Tuned Oscillators  by Dave Castetter  (73k PDF)
36. OMNIYIG YIG Harmonic Multipliers & Comb Generators - Applications Notes  (1.8M PDF)
37. Varian VSL9061AE YIG Warm-Up - With No Heat Sink  (With Heatsink)
38. Watkins-Johnson WJ-6708-7DF YIG Oscillator Information
39. Watkins-Johnson Launches New YIG Oscillators
40. Watkins-Johnson WJ-6713-1 Tuning Curve
• Pic #1
• Pic #2
• Pic #3
• Pic #4
• Pic #5
• Pic #6
41. Notes on Stellex YIG Synthesizer Performance and Control  by KE5FX
• 0.5 - 12 GHz Stellex PLL YIG Synthesizer - Page 1
• 0.5 - 12 GHz Stellex PLL YIG Synthesizer - Page 2
• 0.5 - 12 GHz Stellex PLL YIG Synthesizer - Page 3
42. The Ultimate Plug-and-Play Stellex Mini-YIG Synthezizer controller  by Luis Cupido
43. 10 GHz... Almost There!  Stellex control using the LPC11U14 MCU for the NXP LPCXpresso toolchain, by Dave Donley (KK6UQN)
44. Design of a YIG-Tuned Oscillator  by Tien Liang Jin  (4.5M PDF)
45. Power Op-amps Rock - Driving a YIG Oscillator  With a L272 dual op-amp which can source or sink 1A continuously.
46. YIG & YANG  Yet ANother yiG Drivr, by Dimitri Stolnikov, OsmoDevCall #5  (3.8M PDF)
• Video: OsmoDevCall #5 - YIG & YANG (Yet ANother yiG driver)  by Dimitri "horiz0n" Stolnikov  (Slides & Notes)
47. YIG ?????, It's Not Complicated  by F6BON (French)
48. Watkins-Johnson WJ-5041-97 YIG-Tuned Oscillator - Picture #1  12.3-18.5 GHz / -11.2V Bias  (Picture #2)  (Pin-Out)
49. Watkins-Johnson WJ-5122-18 YIG-Tuned Oscillator - Picture #1  2.16-4.16 GHz  (Picture #2)
50. Watkins-Johnson WJ-6840-101F YIG-Tuned Oscillator  20-26.5 GHz
51. Phase Locking a YIG Oscillator for a Microwave Synthesizer Project  EEVblog thread.

YIG Filters

52. YIG-Tuned Filters - Definitions  Micro Lambda Wireless  (145k PDF)
53. Internal View of HP 0960-0437D YIG Filter - Picture #1  (Picture #2)
54. YIG Filters  Philips tech. Rev. 32  (1971)  (2.7M PDF)
55. Schematic: YIG-Tuned Filter as a Preselector  
• How to Add Offset DC Adjustment to a Circuit (YIG Filter DRiver)
56. Wide-Band Electronically Tunable Filters  Watkins-Johnson  (1962)  (1.1M PDF)
57. Teledyne YIG Filters & Oscillators  (1.9M PDF)
58. A Systematic Way to YIG Filter Design  (311k PDF)
59. YIG Filters and Envelope Limiters  by R. C. Cumming  (1965)  (1.5M PDF)
60. Avantek YF84-2821 YIF Filter Datasheet
61. Six-Stage YIG Filters  Watkins-Johnson Tech Notes, Vol. 15, No. 5 - September/October 1988  (4.5M PDF)
62. Watkins-Johnson WJ-5224-3 YIG Filter Operating Instructions  (903k PDF)
63. Notes on the WJ-643-21 YIG Filter
64. Figuring Out the Details of the Avantek S082-0959 YIG Filter
65. Tracking YIG-Tuned Filter-Mixer  U.S Patent No. 4,817,200  (HP)