Drive circuit for use with voltage-drive semiconductor device

Details Drive circuit for use with voltage-drive semiconductor device Drive circuit for use with voltage-drive semiconductor device

1989-11-15

1990-08-14

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 92, 3072964, H02H 320

Patent

active

049492136

ABSTRACT:
In a common drive output circuit for driving dissimilar switching semiconductor devices having different drive input characteristics by turning on and off dc power supplies to apply a voltage between the drive input terminals of either one of the switching semiconductor devices through two transistors connected in a Darlington pair, the collector circuit of one of the two transistors which is not at the output stage has a diode inserted in series which has such a polarity as to permit passage of the collector current.

REFERENCES:
patent: 4408245 (1983-10-01), Pryor
patent: 4538198 (1945-08-01), Imanishi et al.
patent: 4774620 (1988-09-01), Enomoto et al.

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