Transistor driving circuit and circuit controlling method

Details Transistor driving circuit and circuit controlling method Transistor driving circuit and circuit controlling method

1985-06-10

1988-06-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307280, 307300, 323289, G05F 140, H03K 333, H03K 1760

Patent

active

047514035

ABSTRACT:
A driving circuit uses an output transistor and a driving transformer with a secondary coil being connected to the base of the output transistor. In order to get a high speed switching circuit without thermal runaway, the storage period of the output transistor is detected. A signal supplied to a primary coil of the driving transformer, for example, a driving pulse, is controlled in response to the detected value of the storage period. By minimizing the value of the storage period, it becomes possible to minimize a fall time of the output transistor, so that a stability of the driving circuit can be maintained.

REFERENCES:
patent: 4055794 (1977-10-01), Ickes et al.
patent: 4312029 (1982-01-01), Zellmer
patent: 4318011 (1982-03-01), Zeis
patent: 4410810 (1983-10-01), Christen
patent: 4566060 (1986-01-01), Hoeksma

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