Noise immune voltage comparator

Details Noise immune voltage comparator Noise immune voltage comparator

1977-12-14

1979-07-24

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307354, 307358, 307359, 307362, 328150, H03K 5153

Patent

active

041624548

ABSTRACT:
A noise immune voltage comparator with controlled hysteresis characteristics. The hysteresis gap thereof is adjustable from positive down to negative voltage values, zero volt included and in all cases a safe bistable function is maintained. The comparator is realized with two amplifiers each provided with positive feedback and each supplied with a difference voltage which is the difference between the voltage subjected to comparison and a reference voltage, the output signal from one of the amplifiers, after multiplication with a factor that may be greater than zero, zero or less than zero, being combined with the input voltage of the other amplifier.

REFERENCES:
patent: 3737790 (1973-06-01), Brown
patent: 3999083 (1976-12-01), Bumgardner

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