microwave coupler, typical main line standing wave VSWR1.10, auxiliary line standing wave VSWR1.25 within 20% of the waveguide bandwidth, typical coupling degree is 20/25/30/35/40/45/50 / 60dB. Due to its compactness The structure and good sealing performance are widely used in microwave systems below 12G. Because the bandwidth of the double-ridged waveguide ranges from octave to triple octave, such wide bandwidth makes it difficult to design the high-directional coupler of the double-ridged waveguide. Dolph microwave products have reached and close to the level of imported products, can replace imported broadband high-power ridge waveguide system.

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