Amplifier circuit

Amplifier circuit

  • CN 101,809,862 A
  • Filed: 08/04/2008
  • Published: 08/18/2010
  • Est. Priority Date: 08/03/2007
  • Status: Active Application
First Claim
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1. amplifier circuit, it comprises:

  • Input, it is used to receive supplied with digital signal to be amplified;

    Preamplifier, it is used for amplifying this input signal based on signal volume;

    Power amplifier, it is used to amplify the signal from this preamplifier output;

    AndBut variable-voltage power supply, it is used for supplying one or more supply voltages to this power amplifier, and described one or more supply voltages are adjusted based on signal volume.

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