Controlled current base drive circuit

Details Controlled current base drive circuit Controlled current base drive circuit

1980-08-04

1981-11-24

Pellinen, A. D.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

307280, 323289, H02M 7537

Patent

active

043028071

ABSTRACT:
A base drive circuit particularly well adapted for use with bipolar transistors in high frequency power conversion schemes. The base drive circuit allows achieving desired values for both forward and reverse base drive currents simultaneously regardless of the characteristics of the bipolar transistor driven. When utilized in a transformer isolated inverter system, the base drive circuit additionally presents a polarity insensitive input impedance which eliminates the effects of cross-conduction between base drive circuits connected to the secondary side of the isolation transformer.

REFERENCES:
patent: 3663941 (1972-05-01), Pasciutti
patent: 3909695 (1975-09-01), Peck
patent: 4254459 (1981-03-01), Belson

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