Broadband signal switching matrix network

Details Broadband signal switching matrix network Broadband signal switching matrix network

1991-01-11

1993-06-22

O'Shea, Sandra L.

Communications: electrical

Continuously variable indicating

With meter reading

34082585, H04B 100

Patent

active

052219224

ABSTRACT:
In a broadband signal switching matrix network having a cross-point matrix in FET technology whose switching elements, controlled by a holding memory cell, are each formed with a series circuit of a switching transistor and of an input transistor. Matrix output lines thereof are respectively connected to one terminal of the operating voltage source via a pre-charging transistor that is controlled by a pre-charging clock, that side of the series circuit connected opposite from the matrix output line being permanently connected to the other terminal of the operating voltage source (directly or via a transistor controlled by the output signal and individually associated to the matrix output line) in order to avoid sample clock lines that lead to the switching elements.

REFERENCES:
patent: 3737588 (1973-06-01), Susi
patent: 3980831 (1976-09-01), Mertel
patent: 4621202 (1986-11-01), Pumo
patent: 4645944 (1987-02-01), Uya
patent: 4745409 (1988-05-01), Hofmann
patent: 4801936 (1989-01-01), Hofmann
patent: 4998101 (1991-03-01), Trumpp et al.
patent: 5043724 (1991-08-01), Trumpp et al.

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