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DC311: Miniature Directional Coupler for R-58 Waveguide


DC311 is a miniature directional coupler intended for sampling incident or reflected waves in high-power 5.8 GHz industrial applications using R-58 rectangular waveguide.

The coupler is fixed to the waveguide with six M3 or similar-diameter screws after machining of appropriate holes in the broad waveguide wall.

Simple reversing the coupler causes it to sample the wave propagating in the opposite direction.

Frequency range 5700 - 5900 MHz
Coupling factor -60 dB 1 dB standard
-50 dB 1dB available on special order
-70 dB 1dB available on special order
Directivity 25 dB min
Output connector N-F (SMA-F available upon request)
VSWR (N, SMA) 1.6 max
Waveguide of destination R-58 (40.39 mm x 20.19 mm, wall thickness 1.6 mm)
Microwave Directional Coupler DC311
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Technical Information
DC311 Microwave Directional Coupler Datasheet Directional Coupler DC311 Datasheet