Amplifier system having a constant current regulating unit

Details Amplifier system having a constant current regulating unit Amplifier system having a constant current regulating unit

1997-03-25

1999-02-23

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330262, H03F 330

Patent

active

058748580

ABSTRACT:
An amplifier system includes a constant current unit which produces a constant current in response to a source voltage from a source voltage terminal. An emitter follower unit has a base, an emitter and a collector, an input signal being supplied to the base, the emitter being connected to the constant current unit, the source voltage being supplied to the collector, the emitter follower unit producing an output signal at the emitter in response to the input signal. A current regulating unit regulates the constant current in response to a collector current fed into the collector of the emitter follower unit, so that the constant current is fed from the emitter of the emitter follower unit into the constant current unit.

REFERENCES:
patent: 3701032 (1972-10-01), Steckler
patent: 4573021 (1986-02-01), Widler
Oswald, "Class B Emitter-Follower", IBM Technical Disclosure Bulletin, vol. 8, No. 10, Mar. 1966.

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