Transistor drive circuits

Details Transistor drive circuits Transistor drive circuits

1976-03-02

1978-01-03

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307270, 30796A, H03K 1700

Patent

active

040669165

ABSTRACT:
A transistor drive circuit arrangement in which the collector current of a transistor is passed through the primary or control windings of a direct current current-transformer or transductor and the secondary or output windings of the current-transformer or transductor control the passage of alternating current via rectifying means which provides base current drive for the transistor. Thereby the base current is directly related to instantaneous collector current which results in significant power economies relative to prior art arrangements in which the base is continuously over-driven to ensure permanent base-emitter saturation.

REFERENCES:
patent: 3182249 (1965-05-01), Pahlavan
patent: 3239681 (1966-03-01), Bond
patent: 3289040 (1966-11-01), Pfau et al.
patent: 3448299 (1969-06-01), Hierholzer, Jr. et al.
patent: 3657577 (1972-04-01), Wakiai et al.
patent: 3999086 (1976-12-01), Ekelund

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