Voltage comparator hysteresis control circuit

Details Voltage comparator hysteresis control circuit Voltage comparator hysteresis control circuit

1980-12-29

1983-05-17

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307354, 307359, 328150, H03K 524, H03K 5153

Patent

active

043842194

ABSTRACT:
A voltage comparator includes a hysteresis control circuit which utilizes a level threshold device. The comparator has a first input coupled to an unknown voltage and a second input coupled to a threshold voltage. The hysteresis control circuit includes means for generating a hysteresis current which is caused to flow through a hysteresis resistor coupled to the second input when the threshold voltage exceeds the threshold of the level threshold device and the unknown voltage is greater than the voltage on the second input of the comparator.

REFERENCES:
patent: 3416004 (1968-10-01), Taylor
patent: 3628059 (1971-12-01), Niu
patent: 4259601 (1981-03-01), Stein

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