Current source direct base drive for transistor power switches

Details Current source direct base drive for transistor power switches Current source direct base drive for transistor power switches

1983-12-14

1985-01-01

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307255, 307300, 307571, H03K 326, H03K 1760

Patent

active

044917449

ABSTRACT:
An improved driver circuit for transistor power switches, which allows operation of the power transistor at high output power and at a duty range from zero to 100 percent without the previously large switching losses. This new driver circuit uses a constant current source which forces base current into the power transistor.

REFERENCES:
patent: 2982868 (1961-05-01), Emile, Jr.
patent: 3152265 (1964-10-01), Mekel
patent: 3735151 (1973-05-01), Frederiksen et al.
patent: 4093925 (1978-06-01), Yokoyama
patent: 4166964 (1964-09-01), Ahmed
patent: 4318011 (1982-03-01), Zeis
Electronic Design, "Precision Voltage Comparator Has Low Power Supply Drain," Sep. 20, 1970, p. 65.

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