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Keysight 772D, 773D
Directional Couplers
2 to 18 GHz
Technical Overview
Introduction
New Performance Standards in Microwave Couplers
The Keysight Technologies, Inc. 772D dual directional coaxial coupler and 773D directional coupler are high directivity
couplers designed for broadband swept relectometer measurements and leveling applications in the 2 to 18 GHz fre-
quency range. With their wide frequency coverage, one of these couplers can replace several couplers without perfor-
mance degradation, thus adding convenience and economy by reducing setup and calibration time. The high directivity
and low main line SWR make it possible to achieve excellent source match. The smaller size and light weight of the 773D
directional coupler make it much easier to use on the bench. The addition of threaded mounting holes makes it an ideal
candidate for use inside equipment in leveling loop applications. Low SWR and lat coupling variation from 2 to 18 GHz
and high power capability make these couplers ideal for your most demanding measurement needs.
Keysight 772D Keysight 773D
Description Dual directional coupler Directional coupler
Frequency range 2 to 18 GHz 2 to 18 GHz
Minimum directivity 39 dB (0.1