RF Detectors
Crystal Detector
26.5 - 40 GHz
(RF) R422A
Hewlett Packard crystal detector. WR-28. 26.5 - 40 GHz. "BNC" output.
$275
Crystal Detector
26.5 - 40 GHz
(RF) R422C
Hewlett Packard crystal detector. Wr-28. 26.5 - 40 GHz. "BNC" output.
$275
Crystal Detector
8.2 - 12.4 GHz
(RF) X424A
Hewlett Packard crystal detector. WR-90 to "BNC" female. 8.2 - 12.4 GHz.
$95 each
Crystal Detector
10 MHz to 18 GHz / 50 ohm
(RF) 8470B
Hewlett Packard crystal detector. Low-Barrier Schottky diode detector. 10 MHz to 18 GHz, 50 ohms. Frequency response ±3 dB to 12.4 GHz, ±0.5 dB to 15 GHz, ±0.6 dB to 18 GHz. "N" male - "BNC" female. Max SWR: 1.15 to 4 GHz, 1.3 to 18 GHz. New!
$650 each
Detector Mount
3.95 - 5.85 GHz
(MWE) HP-G485B
Hewlett Packard  WR-187 (3.95 - 5.85 GHz) round waveguide opening is 0.872" x 1.872". Dial complete waveguide range. "BNC" output. Diode is not included. Brand new.
$195 each
TS - 35A
Power Measuring Head

Diode Close up
(MWE) 3F49000
Western Electric power measuring head for TS-35A/APS . Diode mounted. Waveguide opening is 1/2" x 1-1/8". Flange is 1-1/4" x 2". All gold. Very high original cost.
$25 each - $20 (10+)
Radio Frequency
Detector
(RF) SMD134224
Radio frequency detector. Adjustable frequency range. Contains peanut tube 5829WA, 6.3v filament. (see more images). "N" male input, "BNC" female output. Circa 1967. NSN: 6625-00-503-0703.
$35 each
Dual Detector
7.05 - 12.4 GHz
(MWE) P60-INST-DEF2
Made by Western Electric, this device has two "N" female connectors at the elbow, on the short (8-1/2" end to center) side. The waveguide flange on this end is WR112 (1.88" square, 0.497" x 1.122" opening). Can't be sure if it is direct reading or diode mounts. WR-90 X-Band flange (1.63" square, 0.4" x 0.9" opening) on long (16" end to center) side. Nomenclature indicated "H" Bend.
$125 each
Diode Detector Mount
WR-62 / 12.4 - 18 GHz
(RF) MA595DS
Microwave Associates diode detector mount. 12.4 - 18 GHz, WR-62 waveguide input flange, "BNC" output. Includes MA666 diode in mount.
$25 each
Mixer / Detector
WR-75 / 10 - 15 GHz
(RF) 2099427-001
Hughes mixer / detector. WR-75. "BNC" port. Mount for IN78B diode (included). 10 - 15 GHz. 1.48" square flange.
$119 each
General Radio
Detector Tee
(RF) 874-VR
General Radio detector tee. Removable T for diode access. Locking adapter. Includes 1N25 style crystal microwave diode with wire connection.
$95 each
General Radio
Detector Tee
(RF) 874-MR
General Radio detector tee. Removable T for diode access. Includes 1N25 style crystal microwave diode.
$95 each