Precision plural input voltage amplifier and comparator

Details Precision plural input voltage amplifier and comparator Precision plural input voltage amplifier and comparator

1978-01-27

1980-03-04

Anagnos, Larry N.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307240, 307243, 307251, 307357, H03K 520, H03K 1760

Patent

active

041919009

ABSTRACT:
A high-gain, capacitor-coupled, chopper-stabilized, direct-current, voltage amplifier is capacitor coupled to a plurality of input switch pairs, each of which alternately couples one of a pair of input terminals to the amplifier. Thus, a voltage comparator results which has a plurality of pairs of inverting and non-inverting inputs. The relative contribution of the inputs can be weighted by ratioing the coupling capacitors of the switch pairs.

REFERENCES:
patent: 3676702 (1972-07-01), McGrogan, Jr.
patent: 4028558 (1977-06-01), Heller et al.
patent: 4075509 (1978-02-01), Redfern
patent: 4097753 (1978-06-01), Cook et al.

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