For the configurable feedback of amplifier

For the configurable feedback of amplifier

  • CN 105,227,147 A
  • Filed: 10/03/2008
  • Published: 01/06/2016
  • Est. Priority Date: 10/05/2007
  • Status: Active Application
First Claim
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1. for amplification input signal with produce output signal an amplifier, described amplifier comprises:

  • Negative feedback component, it is for being coupled to described input signal to produce modified input signal by described output signal, described feedback element comprises configurable impedance;

    Booster element, it is for providing gain to described modified input signal, and described output signal is coupled in the output of described booster element;

    AndSignal strength detection element, it is for measuring the lower-frequency envelope of the level of the signal deriving from described output signal, described feedback element is coupled in the output of described signal strength detection element, and for exporting more than one control signal in response to measured described signal level, wherein said more than one control signal controls described configurable impedance, described configurable impedance and the described signal level measured by described signal strength detection element are changed on the contrary, and wherein said configurable impedance with discrete steps configuration or constantly can change.

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