Amplifiers – With semiconductor amplifying device – Including gain control means
Patent
1997-09-05
1999-07-27
Mottola, Steven J.
Amplifiers
With semiconductor amplifying device
Including gain control means
330 95, H03G 312
Patent
active
059297077
ABSTRACT:
An amplifier system for a radio receiver, comprising: an amplifier for amplifying a signal applied to an amplifier input to generate an amplifier output signal; a variable reactance means coupled between the emitter or source of the amplifier and a ground voltage; and a feedback loop for sensing the amplifier output signal and, in response to a relatively high level of the output signal, controlling the reactance of the variable reactance means to maintain the amplifier in a substantially linear mode of operation.
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Mottola Steven J.
Nokia Mobile Phones Limited
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