Comparator, sense amplifier

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock

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Details

307DIG3, 307239, 330253, H03K 1756, H03F 345

Patent

active

042490952

ABSTRACT:
A voltage comparator utilizing complementary MOS techniques. The comparator includes a pair of complementary field effect transistors with serial connected channels. A first signal to be compared is applied to the gate of one of the pair of transistors. A second signal is applied to the gate of the pair of transistors such that the transistor pair operates as a quasi-differential amplifier. The output of the transistor pair is subsequently amplified by a cross-coupled latch.

REFERENCES:
patent: 3520190 (1970-07-01), Paine
patent: 3663888 (1972-05-01), Greene
patent: 3676702 (1972-07-01), McGrogan
patent: 3810031 (1974-05-01), Poujois
patent: 4004158 (1977-01-01), Morgan
patent: 4021747 (1977-05-01), Todokoro
patent: 4021751 (1977-05-01), Suzuki
patent: 4023160 (1977-05-01), Kirshner

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