Gate drive circuit

Details Gate drive circuit Gate drive circuit

1993-10-25

1995-07-18

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

327190, 327309, 327379, 327389, 327434, H03K 1716

Patent

active

054345278

ABSTRACT:
A circuit includes a high voltage energy source, a power transistor having a drain connected to the energy source and a source connected to a load, and a first capacitor connected between the power transistor gate and source. Also included is a first P-channel transistor connected in parallel with the first capacitor, and a second capacitor connected between the first P-channel transistor gate and drain. A transformer delivers positive voltage to the first capacitor to bias the power transistor ON, and delivers negative voltage to the second capacitor to bias the first P-channel transistor ON, which causes the energy stored in the first capacitor to discharge; thereby biasing the power transistor OFF.

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patent: 5134320 (1992-07-01), Perusse
patent: 5304863 (1994-04-01), Cargille

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