Importance

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Abstract

Microwave switches are shown which can route signals in an operating frequency band along selectable signal paths between a plurality of microwave ports. The switches are especially suited for forming switching systems that can substitute redundant components for failed components. In one embodiment, waveguide transmission lines and microwave ports are serially coupled in a closed loop with other waveguide transmission lines arranged transversely across the loop. In another embodiment, waveguide modules are formed of three waveguides coupled to a microwave port and the waveguide modules are serially arranged. In each waveguide of these embodiments, conductive reeds are movable between a signal-attenuating position abutting the interior surface of the waveguide and a signal-conducting position substantially coaxial with the waveguide and coupled to the microwave ports at each waveguide end.

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First Claim