Transistor amplifier

Details Transistor amplifier Transistor amplifier

1975-01-16

1976-02-10

Mullins, James B.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 38M, 330 40, H03F 304, H03F 345

Patent

active

039380548

ABSTRACT:
First and second transistors have their emitter electrodes connected to receive operating current from the same supply. A current amplifier has its input circuit connected to sense the base current of the second transistor and its output circuit connected to supply base current to the first transistor responsive to the sensed current. This current amplifier connection stabilizes the quiescent collector currents of the first and second transistors to predictable values. Balanced output currents responsive to an input signal coupled to the first transistor base electrode are available from the collector electrodes of the first and second transistors.

REFERENCES:
patent: 3717821 (1973-02-01), Amemiya et al.

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