- Various Mini-Circuits module internals
- Remec ED-0421-0 15 Ghz transmitter from wireless broadband system
- Frequency Divider board from frequency synthesizer of Collins 651S-1 radio
- Featuring a variety of 60's/70's flatpacks
- Photos: https://www.flickr.com/photos/147639706@N02/albums/72177720312413239
- ENI 5100L 100W RF power amp: linear, broadband
- Amplifier Research AR200L 200W RF power amp: linear, broadband
- Featuring a lot of paralleled vacuum tubes
- Photos: https://www.flickr.com/photos/147639706@N02/albums/72157719007546820
Overlap from "test & measurement equipment" list: (https://hackaday.io/project/193010-interesting-test-measurement-teardowns)
- Teradyne microwave downconverter/demodulator from some kind of automated test equipment
- HP 8508A 1 Ghz vector voltmeter
- Bruker NMS120 benchtop NMR analyzer/relaxometer
- Stanford Research Systems CG635 2 Ghz synthesized clock generator
- Rohde & Schwarz FSL 3 Ghz spectrum analyzer
- Rohde & Schwarz CMW 270 WiMax tester: RF front-end module
Overlap from "avionics & high-reliability teardowns" list: (https://hackaday.io/project/193009-avionics-other-high-reliability-teardowns)
- Bonzer Mini-Mark Radar Altimeter
- Includes interesting multi-Ghz RF section from the 70's
- Photos: https://www.flickr.com/photos/147639706@N02/albums/72177720310364211
- Analysis: https://www.eevblog.com/forum/rf-microwave/avionics-reverse-engineering-bonzer-mini-mark-radar-altimeter/
- Raytheon old military radio UHF receiver for frequency-hopping
- Includes a frequency synthesizer built from generic digital logic
- Photos: https://www.flickr.com/photos/147639706@N02/albums/72177720310359710
- Analysis: https://www.eevblog.com/forum/rf-microwave/interesting-unusual-rfmicrowave-boards/msg5074303/#msg5074303
- Merrimac PSD-4-30.7/27741 RF Phase Shifter
- Includes sketchy construction methods & questionable reliability
- Photos: https://www.flickr.com/photos/147639706@N02/albums/72177720310671162
- Analysis: https://www.eevblog.com/forum/rf-microwave/looking-inside-a-militaryaerospace-rf-phase-shifter/