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WIDE DYNAMIC RANGE AMPLIFIER SYSTEM

  • US 20180138878A1
  • Filed: 11/09/2017
  • Published: 05/17/2018
  • Est. Priority Date: 11/11/2016
  • Status: Active Grant
First Claim
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1. A broadband amplifier assembly having a signal input and a signal output, comprising:

  • a fixed gain amplifier having an input and an output, the input coupled to the signal input;

    an adjustable attenuator having an input and an output, the input of the adjustable attenuator being coupled to the output of the fixed gain amplifier;

    a variable gain amplifier having an input coupled to the output of the adjustable attenuator and an output coupled to the signal output, the variable gain amplifier having a substantially constant input-referred linearity across a range of gain levels; and

    a controller configured to control an amount of attenuation provided by the adjustable attenuator and an amount of gain provided by the variable gain amplifier.

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