Transistor switching circuit

Details Transistor switching circuit Transistor switching circuit

1975-02-06

1976-09-07

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307218, 307317A, H03K 1700

Patent

active

039796116

ABSTRACT:
A switching circuit includes an offset PN junction serially connected to the base of a transistor. In response to an input signal transition for turning off the transistor, a voltage responsive to the signal transition is coupled through the capacitance of the PN junction to the base of the transistor for turning it off. A unidirectionally conducting element connected between the base and a point of potential conducts in the forward direction, in response to the turn off voltage at the base, and prevents the base-to-emitter voltage of the transistor from going substantially below the turn on level of the transistor. The response time of the transistor to a subsequent turn-on input signal is thereby decreased.

REFERENCES:
patent: 3482111 (1969-12-01), Gunderson et al.
patent: 3654486 (1972-04-01), Cubert
patent: 3836792 (1974-09-01), Eckert et al.
patent: 3867644 (1975-02-01), Cline
patent: R27804 (1973-10-01), Treadway

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