Power amplifier

Details Power amplifier Power amplifier

1980-10-08

1982-11-02

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including particular power supply circuitry

330267, H03F 326

Patent

active

043575790

ABSTRACT:
A power amplifier is supplied a DC power source voltage to its power-amplifying circuit from a switching regulator type DC power source. A driver circuit is supplied its DC power source voltage from a non-switching regulator type DC power source like a battery or a series regulator type DC power source, and the DC power source voltage for the driver circuit is limited to a level below the DC power source voltage for the power amplifying circuit to reduce or eliminate spurious emissions based on ripple voltage components on the signal supplied by the DC power source voltage.

REFERENCES:
patent: 3383613 (1968-05-01), Novak
patent: 3421098 (1969-01-01), Fisher
patent: 3988691 (1976-10-01), Shih
Japanese magazine "Musen to Jikken", Feb. 1980, p. M. J FAX 342.

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