Hysteresis circuit

Details Hysteresis circuit Hysteresis circuit

1982-06-11

1984-11-27

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307359, 307354, H03K 329, H03K 5153

Patent

active

044853122

ABSTRACT:
A differential pair of first and second transistors for voltage comparison is provided, and a bias circuit for setting a reference voltage is connected to the base of the second transistor. A differential pair of third and fourth transistors is provided for reference voltage switching. The third and fourth transistors have their bases connected to the collectors of the first and second transistors and their collectors connected to the bias circuit in a positive feedback relation with respect to the base of the first transistor.

REFERENCES:
patent: 3416004 (1968-12-01), Taylor
patent: 4013898 (1977-03-01), Makino
patent: 4162454 (1979-07-01), Olsen
patent: 4210827 (1980-07-01), Kanazawa et al.
patent: 4375598 (1983-03-01), Sakai

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