Power switching circuit having a Darlington connected transistor

Details Power switching circuit having a Darlington connected transistor Power switching circuit having a Darlington connected transistor

1976-05-27

1977-11-29

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

307254, 307315, 323 22T, 323DIG1, 363 89, G05F 156

Patent

active

040607585

ABSTRACT:
A switching circuit has an output transistor between an input and an output conductor, and a drive transistor, the transistors being Darlington-connected. A transformer has one winding in the collector circuit of the drive transistor and another winding across the base-emitter junction of the output transistor, the windings being arranged so that a falling collector current to the drive transistor induces a reverse bias current in the base-emitter junction of the output transistor.

REFERENCES:
patent: 3093790 (1963-06-01), Ehret
patent: 3600666 (1971-08-01), Gliever
patent: 3612909 (1971-10-01), Imabayashi
patent: 3781654 (1973-12-01), Simcoe

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