Analog switch circuit with reduced switching noise

Details Analog switch circuit with reduced switching noise Analog switch circuit with reduced switching noise

1987-09-11

1991-06-25

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307585, 328152, 328127, 328116, H03K 17687

Patent

active

050270192

ABSTRACT:
In the conventional analog switch circuit, an integrating circuit is connected to each gate terminal of a number of analog switches to reduce the switching speed and thus to reduce switching noise. Therefore, when the analog switch circuit is formed into a single IC chip, an area where resistances and capacitances are to be formed is relatively large. To overcome this problem, only two integrating circuits are provided and two integrated switching signals are selectively applied to gate terminals of the analog switches via switches under control of a control circuit, thus realizing an ICed analog switch circuit, while reducing differences in time constant among the analog switches and thus switching noise.

REFERENCES:
patent: 2899567 (1959-08-01), Romano
patent: 3739199 (1973-06-01), Negrou
patent: 3866131 (1975-02-01), Figueroa
patent: 3943378 (1976-03-01), Beutler
patent: 4230951 (1980-10-01), Suzuki et al.
patent: 4420695 (1983-12-01), Dingwall et al.
patent: 4507649 (1988-07-01), Lewis
patent: 4764752 (1988-08-01), Ormond

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