Miscellaneous RF Directional Couplers
Directional Coupler
4.4 - 5 GHz / 20 - 40 dB Adjustable Attenuation
(MWD) SM-B-651395J
MW Microwave directional coupler for CU-1890/GRC system. 4.4 - 5 GHz. 20 - 40 dB adjustable attenuation. "N" female coupling. 3.627" outside diameter flange. 1.87" x 0.872" opening. WR-187. Includes text data. NSN: 5985-00-227-8092.
$395 each - $350 (2+)
Dual RF Current Transformer
Directional Coupler - 1.2 kw
(TM) 6029-0402
Dual RF current transformer, directional coupler. 1.2 kw. Two toroid pickoffs for simultaneous forward and reflected power readings. 4"L. Made for Sunair GCU-1935 kilowatt auto tuner. Sunair P/N: 6029-0402-01. Mates to (MTR) 365-176 panel meter or any other 100 µa meter.
$35 each
Directional Coupler
C-Band / 5.4 - 5.9 GHz
(MWD) 2920304
Designed to operate between 5.4 - 5.9 GHz but should handle uncalibrated operation either side of that. WR-187 flanges (1.872" x 0.872" opening). Forward tap is -50 dB nominal with gold "N" connector, reverse tap is -40 dB nominal with gold "N" connector.
$350 each
Directional Coupler
1.7 - 2.6 GHz
(MWD) 47-202342-01
Microwave Devices model WN4A. Designed for Ford Aerospace to operate between 1.7 - 2.6 GHz but should handle uncalibrated operation either side of that. WR-430 flanges (55cm x 109cm opening). Incident tap is -40 dB nominal, "N" connector. Body is 2" thick. Opening measures 3-1/8" x 4-9/32" and outside dimension is 4-3/16" x 6-3/8".
$195 each
Directional Coupler
2.6 - 3.95 GHz
(MWD) CABV-47AAN
Directional coupler with rectangular flange 4" x 5-1/2". WR284 waveguide opening is 1.34" x 2.840" wide. -27 dB coupling through type "N" connector. 12" long.
$450 each
Directional Coupler
7 - 10 GHz
(MWD) R161-1N
Microwave Research, designed to operate between 7 - 10 GHz. WRD-475, 8 hole flanges (1.222" x 0.497" opening). Type "N" connector on the tap. 21" long.
$195 each
Directional Coupler
10 - 15 GHz
(MWD) 22750-123
MDC X-band directional coupler should work from 10 - 15 GHz. Waveguide port is bolt up style WR-75. Large perimeter flange is 1-7/8" x 2-1/4". Output connector is "SMA", input is "TNC".
$95 each
Radio Line Section
(COL) 545-3327-002
Rockwell International radio line section. Brass. Avionics. 1-5/16"D x 2-15/16"L. Mfg. P/N: 545-3327-002. NSN: 5985-00-882-2061.
$75 each
Directional Coupler
12.4 - 18 GHz
(MWD) 62XT591B
MDC directional coupler with WR-62 flanges (1-5/16" square outside, 0.622" x 0.311" inside) on all ports. 3" x 2-1/4". Includes individual test data.
$175 each
Crossguide Coupler
2.9 - 3.1 GHz
(RF) 284XT249
MDL directional coupler for 2.9 - 3.1 GHz frequency range with WR-284 flanges. 20 dB mean coupling and type "N" tap. VSWR less than or equal to 1.15:1, insertion loss less than or equal to 0.10 dB. 8" x 10-3/4".
$2,500 each
Directional Coupler
WR-112 / 30 dB
(MWD) H750E
Hewlett Packard directional coupler. WR-112, 30 dB. 1-7/8" square flanges. 1/2" x 1-1/8" openings. Used, excellent condition.
$175 each