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Phase Noise Suppression

  • US 20150188584A1
  • Filed: 12/30/2014
  • Published: 07/02/2015
  • Est. Priority Date: 12/30/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a local oscillator circuit operable to generate a reference signal;

    a modulator circuit operable to generate a data-carrying signal using said reference signal;

    a test signal generator circuit operable to generate a test signal using said reference signal, wherein said test signal has a first bandwidth;

    a test signal insertion circuit operable to combine said data-carrying signal and said test signal to generate a combined signal, wherein an amount of bandwidth in said combined signal allocated to said test signal is greater than said first bandwidth such that a component of said combined signal corresponding to said test signal is bordered by whitespace.

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