Amplifier circuit having power supply voltage responsive to ampl

Details Amplifier circuit having power supply voltage responsive to ampl Amplifier circuit having power supply voltage responsive to ampl

1974-08-23

1976-06-01

Mullins, James B.

Amplifiers

With electron beam tube amplifying device

Having deflecting means

330 13, 330 18, 330 22, H03F 304

Patent

active

039612805

ABSTRACT:
There is provided an amplifier circuit wherein the changing of power supply voltages is effected in accordance with the amplitude of an input signal. The amplifier circuit comprises an amplifying transistor having its base adapted to receive an input signal and its emitter connected to a load, a switching transistor having its base and emitter connected respectively to the base and collector of the amplifying transistor, a first power source for supplying power to the collector of the switching transistor, and a second power source for generating a voltage lower than the output voltage of the first power source and supplying power to the collector of the amplifying transistor.

REFERENCES:
patent: 3181079 (1965-04-01), Bregman
patent: 3622899 (1971-11-01), Eisenberg
patent: 3772606 (1973-11-01), Waehner

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