Bistable switching circuit

Details Bistable switching circuit Bistable switching circuit

1981-09-04

1984-02-07

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307355, 307299B, 307530, 307279, H03K 3023, H03K 3288, H03K 3295

Patent

active

044305800

ABSTRACT:
A bistable switching circuit contains a pair of like-polarity input transistor circuits (Q1 and Q2) arranged in a differential configuration to receive a corresponding pair of input signals. A pair of like-polarity cross-coupled transistor load circuits (Q3 and Q4) complementary to the input transistor circuits are coupled to them. A pair of resistive elements (R1 and R2) are coupled between a voltage supply (V.sub.CC) and the load transistor circuits. An output transistor (Q5) complementary to the input transistor circuit has its control electrode and one of its flow electrodes coupled across one (Q4) of the load transistor circuits. When the input signals assume values capable of causing the output transistor to turn on, no current flows in the output transistor until regeneration occurs in the load transistor circuits -- i.e., until they switch states.

REFERENCES:
patent: 3514633 (1966-01-01), Schroeder
patent: 3648069 (1972-03-01), Frederiksen
patent: 3805093 (1974-04-01), Hodemaekers
patent: 3848139 (1974-11-01), Holt, Jr.
patent: 4300063 (1981-11-01), Dunphy et al.
patent: 4339674 (1982-07-01), Hashimoto
patent: 4348602 (1982-09-01), Sauer

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