CMOS voltage comparator with internal hysteresis

Details CMOS voltage comparator with internal hysteresis CMOS voltage comparator with internal hysteresis

1977-06-27

1978-08-29

Anagnos, Larry N.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307279, 307288, 307359, 330253, 330257, 330277, H03K 520, H03F 3185, H03F 316, H03F 345

Patent

active

041106415

ABSTRACT:
A CMOS voltage comparator with internal positive current feedback to achieve a predetermined hysteresis. The voltage level at which the switching occurs is precisely settable. Hysteresis is introduced such that when the set voltage level is exceeded, the output switches quickly and will remain in that state until the input voltage drops by a predetermined hysteresis voltage.

REFERENCES:
patent: 3538444 (1970-11-01), Adlhoch
patent: 3725673 (1973-04-01), Frederiksen et al.
patent: 3873856 (1975-03-01), Gerlach
patent: 3882331 (1975-05-01), Sasaki
patent: 3904888 (1975-09-01), Griffin et al.
patent: 3904988 (1975-09-01), Hsiao
patent: 3914702 (1975-10-01), Gehweiler
patent: 3984703 (1976-10-01), Jorgensen
patent: 4013898 (1977-03-01), Makino
patent: 4048575 (1977-09-01), Musa
patent: 4069431 (1978-01-01), Kucharewski

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