Switch matrix

Details Switch matrix Switch matrix

2006-02-14

2006-02-14

Callahan, Timothy P. (Department: 2816)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S101000

Reexamination Certificate

active

06998935

ABSTRACT:
A switch matrix including a plurality of microstrip pairs arranged to form a grid and switches to couple the microstrip pairs where they cross. Each microstrip pair includes a first microstrip and a second microstrip for passing signals. The signals on the first and second microstrips are such that the electromagnetic forces produced by each one are canceled out by the other. By canceling out the electromagnetic forces, undesirable coupling between microstrips that cross and between microstrips and the substrate are minimized, thereby allowing inexpensive substrates such as silicon to be used.

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patent: 5073775 (1991-12-01), Hofmann
patent: 6265953 (2001-07-01), Romano
patent: 6737958 (2004-05-01), Satyanarayana
patent: 0 755 093 (1997-01-01), None
patent: 1 162 683 (2001-12-01), None
patent: 1 162 683 (2001-12-01), None

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