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Noise cancelling baseband amplifier

  • US 10,305,431 B2
  • Filed: 10/02/2017
  • Issued: 05/28/2019
  • Est. Priority Date: 10/06/2015
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a low noise amplifier;

    a mixer coupled to the low noise amplifier and configured to receive a signal output by the low noise amplifier;

    a first differential amplifier having an inverting input configured to receive an input signal from the mixer and having an output configured to be coupled to an inverting input of a second differential amplifier; and

    a single-ended amplifier having an input coupled to the first input of the first differential amplifier and having an output configured to be coupled to a non-inverting input of the second differential amplifier, the single-ended amplifier configured to receive the input signal.

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