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Crossover performance of power amplifier

  • US 9,054,649 B2
  • Filed: 06/13/2011
  • Issued: 06/09/2015
  • Est. Priority Date: 06/11/2010
  • Status: Active Grant
First Claim
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1. An amplifier arrangement comprising:

  • a main push-pull amplifier, including a first transistor and a second transistor, and connected to receive an input signal and generate an amplified version of the input signal; and

    an additional amplifier, connected to receive the input signal and generate an amplified version thereof;

    wherein the outputs of the main amplifier push-pull amplifier including the first and the second transistors and the additional amplifier are combined to provide an amplified output, andwherein during operation in a crossover region of the main push-pull amplifier including the first and the second transistors, the bandwidth of the additional amplifier is greater than the bandwidth of the main push-pull amplifier including the first and the second transistors.

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