Waveguide manifold coupled multiplexer

Details Waveguide manifold coupled multiplexer Waveguide manifold coupled multiplexer

H - Electricity

01

P

333/14

H01P 1/209 (2006.01) H01P 1/208 (2006.01) H01P 1/213 (2006.01) H01P 5/19 (2006.01)

Patent

CA 1194157

ABSTRACT A multiplexer has a plurality of bandpass filters coupled through E-plane or H-plane T-junctions to a waveguide manifold. Where the multiplexer has four channels and each filter is a six-pole filter, two triple mode cavities make up each filter. Where each filter is a five-pole filter, one triple cavity and one dual mode cavity makes up each filter. Two band edge channel filters- are operated to produce an asymmetrical filter function response, thereby causing extra trans- mission zeros to be created and improving the select- ivity of the filter out of the passband. The multiplexer is designed for use in satellite communication systems and can have a reduced volume and weight when compared to previous multiplexers without any sacrifice in electrical performance.

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