31 to 39 GHz, 20 dB Coupling, 15 dB Directivity, WR-28 Waveguide, Ka Band, 3-Port Crossguide Coupler
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Model SWX-31339320-28-3B is a three-port, split block crossguide coupler that is offered for power sampling where directivity is of concern. Compared to a multi-hole directional coupler, crossguide couplers offer lower insertion loss and a smaller form factor and insertion length. This model operates between 31 to 39 GHz with a 20 dB typical coupling level, 0.4 dB nominal insertion loss, and 15 dB typical directivity. The input, output, and coupled ports are all WR-28 waveguides with UG-599/U flanges.