Amplifier circuit arrangement with stabilized power-supply curre

Details Amplifier circuit arrangement with stabilized power-supply curre Amplifier circuit arrangement with stabilized power-supply curre

1978-12-08

1980-08-12

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330297, 330301, H03F 318

Patent

active

042175550

ABSTRACT:
In an amplifier comprising a signal-amplifying circuit for amplifying an input signal to the amplifier and a power-supply circuit for supplying power to the signal amplifying circuit for operation, there is provided an additional amplifying circuit driven by the output signal of the signal-amplifying circuit and powered from said power circuit. Changes in the power-supply currents for the respective amplifying circuits cancel each other. Thus, the total current supplied from the power supply circuit is maintained constant.

REFERENCES:
patent: 3247462 (1966-04-01), Kobbe
patent: 3461397 (1969-08-01), Cunningham
James, "Balanced Output Amplifier," Wireless World Dec. 1975, vol. 81, No. 1480 p. 576. _

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