Analog switch structure having low leakage current

Details Analog switch structure having low leakage current Analog switch structure having low leakage current

1983-08-04

1985-10-01

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307243, 307572, 307579, 307554, H03K 1716, H03K 17687

Patent

active

045448540

ABSTRACT:
An analog switch structure which utilizes three switches and has low leakage current is provided. A first switch couples an input terminal to a node in response to a control signal. A second switch connects the node to an output terminal in response to the control signal. A buffer circuit is connected to the output terminal for providing a buffered output signal. A third switch is connected between the buffered output signal and the node to selectively connect the buffered output signal to the node, thereby maintaining zero voltage potential across the second switch.

REFERENCES:
patent: 3521141 (1970-07-01), Walton
patent: 3720848 (1973-03-01), Schmidt, Jr.
patent: 4066919 (1978-01-01), Huntington
patent: 4181862 (1980-01-01), Dingwall
patent: 4311930 (1982-01-01), Chan et al.
patent: 4446390 (1984-05-01), Alaspa
patent: 4495629 (1985-01-01), Zasio et al.

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