Internally redundant microwave switch matrix

Details Internally redundant microwave switch matrix Internally redundant microwave switch matrix

1996-03-25

1998-05-19

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

307401, 307415, 370217, H04Q 1900, H03K 1780, H11C 1302, G01R 3108

Patent

active

057541183

ABSTRACT:
A switch matrix having internal redundancy by combining outputs of two internal channels to form one single internally redundant channel. 1 by N, M by 1 and M by N switch matrices may be constructed using the principles of the present invention. Each input signal line is coupled between a signal input and a terminating resistor and each output signal line is coupled between a signal output and a terminating resistor. Switching nodes are formed that comprise an input line, a plurality of output lines, and a plurality of pairs of couplers that are respectively interconnected by way of respective switches used to select the input line and couple it to a respective output line. Pairs of output signal lines are connected to a single signal output to form internally redundant channels. The nodes may include a second serially coupled switch connected between the input and output couplers to provide redundancy if either one of the switches fail in a closed state. Amplifiers may optionally be disposed in each of the output signal lines.

REFERENCES:
patent: 4683564 (1987-07-01), Young et al.
patent: 4737951 (1988-04-01), Kruger et al.
patent: 4931802 (1990-06-01), Assal et al.
patent: 4978953 (1990-12-01), Hauge
patent: 5198808 (1993-03-01), Kudo

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