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Wide-band amplifiers using clipper circuits for reduced harmonics

  • US 10,230,339 B2
  • Filed: 03/22/2018
  • Issued: 03/12/2019
  • Est. Priority Date: 05/16/2013
  • Status: Active Grant
First Claim
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1. A wideband power amplifier circuit comprising:

  • a transistor configured as an amplifier stage of a power amplifier; and

    a voltage variable clipping element that shapes a peak-to-peak amplitude of a signal applied to the transistor and reduces a second harmonic of the signal, the voltage variable clipping element electrically coupled to the transistor and controlled by a control voltage generated based at least in part on one or more of a temperature, an output power, or a voltage standing wave ratio under mismatch.

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