Voltage comparator circuit having dead zone

Details Voltage comparator circuit having dead zone Voltage comparator circuit having dead zone

1977-11-09

1980-03-25

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307291, H03K 5153

Patent

active

041952405

ABSTRACT:
Disclosed is a voltage comparator circuit in which an input voltage and a predetermined reference voltage are compared by a differential amplifier to produce a signal corresponding to the difference between both the voltages. The width of a dead zone of the comparator circuit is established by an emitter-grounded transistor connected to the output of the differential amplifier, a polarity inverting IC gate connected to the collector of the emitter-grounded transistor, and a resistor which positive-feeds back the output of the IC gate to the base of the emitter-grounded transistor.

REFERENCES:
patent: 3054910 (1962-09-01), Bothwell
patent: 3256449 (1966-06-01), Scholl

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