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Low noise switching voltage regulator

  • US 7,058,374 B2
  • Filed: 10/15/2002
  • Issued: 06/06/2006
  • Est. Priority Date: 10/15/2002
  • Status: Expired due to Term
First Claim
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1. A method for supplying voltage to a power amplifier in a portable communication handset, comprising:

  • providing a switching voltage regulator, the switching voltage regulator configured to provide a direct current (DC) output; and

    providing a data stream to the switching voltage regulator, wherein the data stream comprises sufficient bit transitions to spread any alternating current (AC) voltage on the DC output over a bandwidth occupied by data to be transmitted by the portable communication handset.

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