Output power control circuit for power amplifier

Details Output power control circuit for power amplifier Output power control circuit for power amplifier

1983-11-21

1985-04-09

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including gain control means

330277, 330286, 330297, H03G 330

Patent

active

045104603

ABSTRACT:
An output power control circuit provided with a power amplifier circuit of an input amplifier and an output amplifier connected in series with the input amplifier, has: a first transistor having a first electrode connected to a direct current power supply and a second electrode connected to a power supply terminal of the output amplifier; a second transistor having a first electrode connected to a third electrode of the first transistor and a second electrode connected to a power supply terminal of the input amplifier; and at least one diode connected between the direct current power supply and the power supply terminal of the input amplifier.

REFERENCES:
patent: 3644832 (1972-02-01), Sherman, Jr.

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