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Power control for a switching mode power amplifier

  • US 6,917,244 B2
  • Filed: 06/10/2003
  • Issued: 07/12/2005
  • Est. Priority Date: 06/10/2003
  • Status: Active Grant
First Claim
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1. A power control structure comprising:

  • a switching mode power amplifier for receiving an input signal, for amplifying said received input signal and for providing said amplified signal as output signal;

    a first control arrangement for controlling the power level of said output signal at least at higher power levels desired for said output signal by adjusting a power supply provided to said switching mode power amplifier; and

    a second control arrangement for controlling the power level of said output signal at least at lower power levels desired for said output signal by adjusting the power of said input signal before it is provided to said switching mode power amplifier and by utilizing a leakage through the switching mode amplifier.

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