Microwave switches and redundant switching systems

Details Microwave switches and redundant switching systems Microwave switches and redundant switching systems

1997-06-05

1998-10-27

Gensler, Paul

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

333101, 335 5, H01P 112

Patent

active

058282688

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.

REFERENCES:
patent: 4070637 (1978-01-01), Assal
patent: 4618840 (1986-10-01), Yee
patent: 5065125 (1991-11-01), Thomson
patent: 5281936 (1994-01-01), Ciezarek
patent: 5712603 (1998-01-01), Kim et al.
F. Assal et al, "Network Topologies to Enhance the Reliability of Communications Satellites," Comsat Technical Review, vol. 6, No. 2, Fall 1976, pp. 309-322, Sales Flyer, National Research Development Corporation, London, England.

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