Transistor base control circuit for high frequency operation

Details Transistor base control circuit for high frequency operation Transistor base control circuit for high frequency operation

1986-04-02

1988-08-16

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307255, 307270, 307300, H03K 1760, H03K 326, H03K 333

Patent

active

047646861

ABSTRACT:
A switching control circuit for a power transistor is provided. For applying an initial negative base current for disabling of the power transistor, a capacitor is provided which stores the energy required by charging not only when the power transistor is enabled but also when it is disabled. The capacitor discharges through a circuit for a time fixed by the time constant of a series RC network; this time is chosen of the order of time required for destoring the charges of the power transistor.

REFERENCES:
patent: 3300072 (1970-03-01), Holtz
patent: 3787738 (1974-01-01), Horwath
patent: 4032834 (1977-06-01), Beierholm
patent: 4239989 (1980-12-01), Brajder
patent: 4472642 (1984-09-01), Akamatsu

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