Circuit for controlling at least one power-FET

Details Circuit for controlling at least one power-FET Circuit for controlling at least one power-FET

1981-12-01

1984-07-24

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307270, 307282, H03K 1700, H03K 1756

Patent

active

044619669

ABSTRACT:
Circuit for controlling at least one power-FET, including a transformer having a primary and a secondary winding, a control input connected to the primary winding, a first terminal of the secondary winding connected to the gate electrode of the FET, at least one diode connected between the first terminal of the secondary winding and the gate electrode of the FET, a second terminal of the secondary winding connected to the source of the FET, a differential member connected between the control input and the primary winding, and a switch connected between the secondary winding and the gate electrode of the FET, the switch connecting the gate electrode of the FET to the first terminal of the secondary winding in the case of a given secondary signal of a first polarity, and the switch connecting the gate electrode of the FET to the source electrode of the FET in the case of a given secondary signal of a second polarity.

REFERENCES:
patent: 3566158 (1971-02-01), Paine
patent: 3805094 (1974-04-01), Orlando
patent: 4052623 (1977-10-01), Loberg
Periodical, "Siemens Components", 18, (1980), Issue 4, p. 198 et seq.

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