Dual Band Radio Frequency Transmitter

  • Published: Apr 16, 2009
  • Earliest Priority: Oct 10 2007
  • Family: 16
  • Cited Works: 0
  • Cited by: 0
  • Cites: 6
  • Additional Info: Full text
Abstract

A transmitter includes a transformer and a transformer tuning circuit. The transformer transforms a differential radio frequency (RF) signal to a single-ended RF signal. The transformer tuning circuit tunes the transformer to permit the transmitter to transmit the single-ended RF signal in a first frequency band (e.g., cellular frequency band) or a second frequency band (e.g., PCS frequency band).


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Document History
  • Publication: Apr 16, 2009
  • Application: Oct 9, 2008
    WO US 2008/0079293 W
  • Priority: Oct 10, 2007
    US US 87036507 A

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