Wide range variable output amplifier apparatus with high efficie

Details Wide range variable output amplifier apparatus with high efficie Wide range variable output amplifier apparatus with high efficie

1996-08-27

1998-08-18

Mullins, James B.

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

330129, 330279, 330295, H03F 368, H03G 330

Patent

active

057963061

ABSTRACT:
In a variable output amplifier apparatus, an input signal is distributed by a distributing unit as first signals to a plurality of variable gain units having different gains. Second signals generated from the variable gain units are combined by a combining unit to generate an output signal. A plurality of power supply control units apply power supplies to the variable gain units, respectively. The variable gain units and the power supply control units are controlled by a control unit. When one of the variable gain units and one of the power supply control units are activated, the corresponding power supply is turned ON. When they are deactivated, the corresponding power supply is turned OFF.

REFERENCES:
patent: 5101173 (1992-03-01), DiPiazza et al.
patent: 5561395 (1996-10-01), Melton et al.

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