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Waste energy control and management in power amplifier

  • US 5,568,088 A
  • Filed: 06/07/1995
  • Issued: 10/22/1996
  • Est. Priority Date: 01/11/1994
  • Status: Expired due to Term
First Claim
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1. A device for increasing the energy efficiency of an amplifier using feedforward linearization, comprising:

  • a direct current power source to power said amplifier;

    a first non-linear amplifier for producing a main output signal;

    a second amplifier for amplifying an error signal;

    combining means for combining said error signal with said main signal to produce a corrected sum signal and a waste energy signal; and

    rectifier means for converting said waste energy signal to a direct current that is supplied back to said direct current power source to reduce net power consumption.

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