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Class E/F switching power amplifiers

  • US 6,784,732 B2
  • Filed: 11/18/2003
  • Issued: 08/31/2004
  • Est. Priority Date: 10/10/2000
  • Status: Expired due to Term
First Claim
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1. A switching power amplifier for amplifying a high frequency input signal having at least one fundamental frequency, one or more tuned harmonics, and one or more untuned harmonics, comprising:

  • a high-speed active device that includes a switching component that operates substantially as a switch; and

    a load network connected to the active device, wherein the load network provides an open circuit for even tuned harmonies, a short circuit for odd tuned harmonics, and a capacitive load for the untuned harmonies.

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