Variable Attenuators - Microwave
Slot Adjust Attenuator
9.270 GHz
(MWA) 10548153
3DBM slot adjust attenuator. 9.270 Ghz. WR-90. UG-136B/U flanges (choked). New.
$85 each
Variable Attenuator
3.95 - 5.85 GHz
(MWA) 590-A
PRD variable attenuator. 3.95 - 5.85 GHz. Range unknown. Flange measures 3.6" diameter. Opening measures 1.86" x 0.87". NSN: 5935-00-201-9431 (not the whole assembly)
$75
Continuously Variable Attenuator
7.05 - 10 GHz / 0.5 - 20 dB
(MWA) 731
Narda continuously variable attenuator. 7.05 - 10 GHz, 0.5 - 20 dB. WR-112. 15 turn vernier drive. 3-1/2" long. New.
$375
Waveguide Attenuator
7 - 11 GHz
(MWA) 415250
Litton Systems (USA) waveguide attenuator. 7 - 11 GHz, 2w average. 1 shaft, adjustable. WR-90. UG-1494/U flange. 0 - 15 dB, 0.2 insertion loss. 1.30 and 1.35 vswr. 4"L x 1.687"H x 2.52"W. 1/2" shaft. NOS. New in the box. Mil-spec. DC: 4/73. NSN: 5985-00-086-9125.
$175 each
Waveguide Attenuator
8.2 - 12.4 GHz / 0 - 40 dB
(RF) 155-A48
Microlab / FXR waveguide attenuator. Variable. WR-90. 8.2 - 12.4 GHz, 0 - 40 dB. 6"L x 4.25"H. Used.
$75
Trimmable Attenuator
7 - 11 GHz / 20 dB
(MWA) 2185773-4
Waveline Ramcor trimmable attenuator. 7 - 11 GHz, 20 dB. WR-102. 1.01" x 0.51".
$125 each
Narda Attenuator
8.2 - 12.4 GHz / 0 - 20 dB
(MWA) 730AB
Narda attenuator. 8.2 - 12.4 GHz, 0 - 20 dB. WR-90. 15 turn vernier dial. 1 choke, 1 flat flange. 0.4" x 0.9" opening. New.
$295 each
Continuous Variable Attenuator
8.2 - 12.4 GHz / 0 - 50 dB
(MWA) X164A
FXR / Microlab continuous variable attenuator. 8.2 - 12.4 GHz, 0 - 50 dB, 5 watt, WR-90. 10-1/4" overall length x 7-1/2" x 4-3/4"H.
$125
Variable Attenuator
18 - 26 GHz / 0.5 - 18 dB
(MWA) 80018
Waveline variable attenuator. 18 - 26 GHz, 0.5 - 18 dB, 1 watt average. WR-42, 0.88" square flange, 0.42" x 0.17" opening. Slot adjust and lock in place. Alt. P/N: 00443-72-08. New.
$175 each
Adjustable Pump Attenuator
18 - 27 GHz
(MWA) 12110-31141
Adjustable pump attenuator. K-band. 18 - 27 GHz. WR-42 choked flanges.
$95 each
Tuned Detector
26.5 - 40 GHz
(MWA) D1007
DeMornay / Bonardi tuned detector. WR-28 (WR28, WG22 / R320). 26.5 - 40 GHz. Used.
$145
Variable WG Attenuator
WR-62 / 12.4 - 18 GHz
(RF) CN-409/UPM-84
Variable WR-62 WG attenuator. 12.4 - 18 GHz, 0 - 20 dB, KU-Band. Type MWA C152420. Heavy duty military surplus. Used in Polarad AN/UPM-84 Spectrum Analyzer Test Set. 6"L x 4.25"W x 1-5/16"H. New military surplus. Circa 1960+. NSN: 6625-00-623-3675.
$265 each - $250 (3+)
Variable Attenuator
-20 to -100 dBm / 12.4 - 18 GHz
(MWA) C380025133
Systron Donner spare variable attenuator has a dial marked 20-100 -dBm that was actual read out on signal generator. Plumbing is WR-62. 5" high x 6" long.
$895 each
Variable Attenuator
0 - 20 dB / 18 - 26.5 GHz
(MWA) 42AT89
MDL variable attenuator. WR-42. 0 - 20 dB, 18 - 26.5 GHz. New.
$75 each
"KA" Band Variable Attenuator
0 - 20 dB / 26 - 40GHz
(MWA) C152417
"KA" Band variable attenuator. 0 - 20dB continuous, 26 - 40GHz. Waveguide hole I.D.=0.275" x 0.139". WR-28 flange. Bolt holes = 0.524" spacing. Body is 4" long. Military P/N: CN-410/UPM-84.
$265 each
Tunable Attenuator
0 - 15 dB / 8.2 - 12.4 GHz
(MWA) 10169G1
Neico tunable attenuator is 0 - 15 dB over the range, graduated on 3-1/2" dial marked (0-15 and 0-100). WR-90. 2 watt average. 6-1/2" long.
$145 each
Tunable Attenuator
0 - 20 dB / 8.2 - 12.4 GHz
(MWA) 154AS4
PRD tunable attenuator is 0 - 20 dB over the range. WR-90. 1 watt average. 2-1/2" long.
$85 each
Variable Attenuator
8.2 - 12.4 GHz / 0 - 40 dB
(MWA) 159-B
PRD variable attenuator. X-band. 8.2 - 12.4 GHz. 0 - 40 dB. WR-90.
$95
Variable Attenuator
18 - 26.5 GHz / 0 - 50 dB
(MWA) K382A
HP variable attenuator. 18 - 26.5 GHz, 0 - 50 dB. WR-42 waveguide. UG-595/U flange. 2 watts.
$375
Variable Attenuator
26.5 - 40 GHz / 0 - 50 dB
(MWA) R382A
HP variable attenuator. 26.5 - 40 GHz. 0 - 50 dB. WR-28 waveguide. UG-599 flange. 1 watt.
$339
Variable Attenuator
18 - 26.5 GHz / 0 - 50 dB
(MWA) K382A/-B
HP variable attenuator. 18 - 26.5 GHz, 0 - 50 dB. WR-42 waveguide. UG-595/U flange. 2 watts. Same as K382A except has no base.
$250
Variable Attenuator
26.5 - 40 GHz / 0 - 50 dB
(MWA) U164BF
Microlab / FXR variable attenuator. 26.5 - 40 GHz, 0 - 50 dB. WR-28 waveguide. UG-595/U flanges.
$475
Variable Attenuator
26.5 - 40 GHz / 0 - 50 dB
(MWA) 510A/599
TRG variable attenuator. 26.5 - 40 GHz, 0 - 50 dB, WR-28 waveguide. UG-595/U flanges.
$475
Variable Attenuator
33 - 50 GHz / 0 - 50 dB
(MWA) B510
TRG variable attenuator. 33 - 50 GHz, 0 - 50 dB, WR-22 waveguide. UG-383/U flange.
$185
Variable Waveguide Attenuator
15 GHz / 1 watt
(MWA) 711
Waveline variable waveguide attenuator. 15 GHz, 1 watt. Shielded. Locking knob. WR-62. 4"L x 1.25"W. 1.75" knob dial. Total height = 3". Black painted aluminum. New, old stock.
$175
Micrometer
8.2 - 12.4 GHz
(MWA) 10106879
Raytheon micrometer by LS Sarrett Co. Tuned cavity, 8.2 - 12.4 GHz. WR-90 flanges. Body is solid copper. Unplated surface. Tarnished is spots. 2-1/2" cube.
$109 each
Variable Attenuator
33 - 50 GHz / 0 - 50 dB
(RF) 5100/388
Alpha Industries variable attenuator. 33 - 50 GHz, 0 - 50 dB, WR-22. Q band.
$650
Rotary Vane Attenuator
0 - 50 dB / 0.3 watts
(MWA) M164A
FXR Inc. rotary vane attenuator. 0 - 50 dB, 0.3 watts. WR-15. UG-385. 49.9 - 75.8 GHz. Used.
$265 each
Variable Attenuator
0 - 50 dB
(MWA) P382-A
HP variable attenuator. 0 - 50 dB. 12.4 - 18 GHz. Damaged flange (see enlarged photo). Sold as-is.
$100 each
Variable Attenuator
7.95 - 12.05 GHz / 0 - 60 dB
(MWA) 196-DS10
PRD variable attenuator. 7.95 - 12.05 GHz, 0 - 60 dB. WR-90. 6-1/2"L. 1.62" square flange. 0.89" x 0.40" opening. New, unused. NSN: 5985-00-821-4005.
$165 each
Variable Attenuator
0 - 60 dB / 7.05 - 10 GHz
(MWA) BON112
Bonardi variable attenuator. 0 - 60 dB, 7.05 - 10 GHz. WR-112 flanges. Similar to PRD "X101".
$195 each
Echo Box
0 - 55 GHz
(MWE) TS-270B/UP
This echo box was the original absorption wavemeter for measuring frequencies in the "GHz" region. 0 - 55 GHz. "N" female connectors.
$125 each
Rotary Vane Attenuator
0 - 50 dB / 8.2 - 12.4 GHz
(MWA) X382A
HP rotary vane attenuator. 0 - 50 dB, 8.2 - 12.4 GHz, 10 watts, WR-90.
$375 each
Rotary Vane Attenuator
0 - 50 dB / 12.4 - 18 GHz
(MWA) P382A/EC
HP rotary vane attenuator. 0 - 50 dB, 12.4 - 18 GHz, 5 watts, WR-62.
$375 each
Broadband Attenuator
0 - 60 dB / 8.2 - 12.4 GHz
(MWA) X101
PRD broadband attenuator. 0 - 60 dB, 8.2 - 12.4 GHz. WR-90 / UG-39.
$395 each
Broadband Attenuator
0 - 60 dB / 12.4 - 18 GHz
(MWA) U101-S6
PRD broadband attenuator. 0 - 60 dB, 12.4 - 18 GHz. WR-62. Missing feet. Needs lubrication.
$100 each
Adjustable Attenuator
(RF) 874-GAL
General Radio adjustable attenuator.
$95 each
RF Variable Attenuator
0 - 130 dB
(RF) 172A11667
RF variable attenuator. 0 - 130 dB. "BNC" input, coaxial output. 1 - 200 mHz. 1/4" angle drive. This is an internal attenuator made for 1965 era test equipment. Not designed for external use so please do not inquire. NSN: 5985-00-351-3499.
$25 each