Autozeroed comparator

Details Autozeroed comparator Autozeroed comparator

1983-08-26

1985-12-24

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307352, 328151, H03K 524

Patent

active

045608903

ABSTRACT:
An input voltage sampler samples the difference between two input voltages. An alternate switch switches at a period which is longer than twice the sampling period. The voltage difference is supplied through the alternate switch to a plurality of amplifiers. Prior to starting the amplifying operation, operating point setting circuits set the input level to the amplifiers at the operating point.

REFERENCES:
patent: 3676702 (1972-07-01), McGrogan, Jr.
patent: 4191900 (1980-03-01), Redfern et al.
patent: 4211942 (1980-07-01), Aoki et al.
Dingwall, "Monolithic Expandable 6 Bit 20 MHz CMOS/SOS A/D Converter," IEEE J. Solid-State Circuits, vol. SC-14, pp. 926-932.
Yee et al., "A 1mV MOS Comparator," IEEE Journal of Solid State Circuits, vol. SC-13, No. 3, Jun. 1978.

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