High frequency voltage comparator circuit

Details High frequency voltage comparator circuit High frequency voltage comparator circuit

1983-03-29

1989-07-04

Anagnos, Larry N.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307353, 307240, 307243, 341136, 341158, H03K 524, H03K 17693

Patent

active

048453838

ABSTRACT:
A voltage comparator circuit that is useful in A/D converters and D/A converters. The circuit comprises a comparison capacitor, a holding capacitor and input switching transistors. The holding capacitor holds the comparison voltage applied to it from the input switching transistors through the comparison capacitor. Therefore, the circuit can perform accurate voltage comparison even if the input voltages are sampled at a high sampling frequency.

REFERENCES:
patent: 3638129 (1972-01-01), Pryor
patent: 3676702 (1972-07-01), McGrogan, Jr.
patent: 3818246 (1974-06-01), Hellwarth
patent: 3848139 (1974-11-01), Holt, Jr.
patent: 4097753 (1978-06-01), Cook et al.
patent: 4191900 (1980-03-01), Redfern et al.
patent: 4197472 (1980-04-01), Aoki et al.
patent: 4211942 (1980-07-01), Aoki et al.
patent: 4237390 (1980-12-01), Buurma
patent: 4316105 (1982-02-01), Fowler
Dingwall, "Monolithic Expandable 6 Bit 20 MHz CMOS/SOS A/D Converter"; IEEE JSSC, vol. SC-14, No. 6, pp. 926-932;12/1979.

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