Alpha enhancement of a transistor using base current feedback to

Details Alpha enhancement of a transistor using base current feedback to Alpha enhancement of a transistor using base current feedback to

1989-12-15

1991-02-19

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

330296, H03F 130

Patent

active

049947583

ABSTRACT:
A circuit for enhancing the alpha of a transistor. A current supplying circuit passes the base current of the transistor through a first and second current mirror for providing current at the emitter of the transistor such that the apparent emitter current of the transistor is made substantially equal to the collector current of the transistor.

REFERENCES:
patent: 4297646 (1981-10-01), LoCascio et al.
patent: 4507573 (1985-03-01), Nagano
patent: 4525683 (1985-06-01), Jason
patent: 4730124 (1988-03-01), Metz

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