Power amplifier circuit with a stand-by state

Details Power amplifier circuit with a stand-by state Power amplifier circuit with a stand-by state

1988-07-06

1989-08-01

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330 51, H03F 326, H03F 114

Patent

active

048536482

ABSTRACT:
A power amplifier circuit comprises amplifier means, and mode switching means for selectively changing the amplifier means between an operational state wherein the input signal is amplified, and a stand-by state wherein the input signal is not amplified. The mode switching means includes timing means for delaying the change of the amplifier means to the stand-by state for a predetermined time after the stand-by state is selected, and means for supplying a predetermined potential to the amplifier means when the stand-by state is selected.

REFERENCES:
patent: 3550025 (1970-12-01), Stodolsky
patent: 3745477 (1973-07-01), Freeborn
patent: 4041408 (1977-08-01), Trotnick, Jr.
patent: 4165494 (1979-08-01), Becker

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