Programmable hysteresis comparator

Details Programmable hysteresis comparator Programmable hysteresis comparator

1991-06-03

1992-10-13

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307359, 307360, H03K 5153, H03K 524

Patent

active

051553864

ABSTRACT:
A comparator having programmable hysteresis is provided. The signal supplied to an inverting input of the comparator (18) is determined by the logic state of the output of comparator and is a programmable factor of one of two predetermined signals (V.sub.REF1 or V.sub.REF2). The programmable factor is determined by the logic states of a plurality of control signals and can be adjusted by varying the logic states of the plurality of control signals.

REFERENCES:
patent: 4581545 (1986-04-01), Beale et al.
patent: 4873702 (1989-10-01), Chiu
patent: 4926068 (1990-05-01), Fujita
patent: 5039888 (1991-08-01), Bell et al.

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