Method and apparatus for regulating output power of signal ampli

Details Method and apparatus for regulating output power of signal ampli Method and apparatus for regulating output power of signal ampli

1993-08-30

1995-01-10

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including gain control means

330284, 330289, 330129, 455126, H03G 310

Patent

active

053811151

ABSTRACT:
A method and apparatus for controlling the output power level of an amplifier that is highly insensitive to temperature variations. The method intentionally shuts down the amplifier for a very short period of time in order to reveal the detector diode's thermally induced error voltage. This voltage is then stored for a subsequent subtraction from the total detected voltage after the amplifier is turned back on. The detector diode is therefore compensated against itself to obtain a higher level of detection accuracy.

REFERENCES:
patent: 5245297 (1993-09-01), Claydon et al.

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