Monolithically integrable MOS-comparator circuit

Details Monolithically integrable MOS-comparator circuit Monolithically integrable MOS-comparator circuit

1982-07-07

1985-07-30

Sloyan, T. J.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307355, 307530, 340347AD, 340347M, H03K 524

Patent

active

045324387

ABSTRACT:
A circuit of a monolithically integrable MOS-comparator has a capacitor, a signal input and a reference input of the comparator being alternatingly connected to the capacitor via respective first and second clock-controlled transfer transistors, a first amplifier stage having a control input and an output, the capacitor being directly connected to the control input and being also connected via a third transfer transistor to the output of the first amplifier stage, a second amplifier stage having a control input and an output, the output of the first amplifier stage being further connected via a fourth transfer transistor to the control input of the second amplifier stage. A third amplifier stage identical with the first and second amplifier stages has a signal input and an output, the output of the second amplifier stage being a first signal output of the comparator and being also connected to the signal input of the third amplifier stage. The output of the third amplifier stage as a second signal output of the comparator and as connected via a fifth transfer transistor to the control input of the second amplifier stage. Means for transmitting two clock signals are connected to the first and second transfer transistors, respectively, for alternatingly switching the signal input and the reference input, respectively, of the comparator to the capacitor, the signal-transmitting means being also connected to the third, fourth and fifth transfer transistors for controlling the same.

REFERENCES:
patent: 3676702 (1972-07-01), McGrogan, Jr.
patent: 4211942 (1980-07-01), Aoki et al.
patent: 4250406 (1981-02-01), Alaspa
patent: 4316105 (1982-02-01), Fowler
Glincman, CMOS/SOS Flash ADC Speeds on Low Power for Low Cost, Electronic Design, 22, Nov. 1980, pp. 227-231.

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