IEEE Cedar Rapids Section

IEEE

Efficient, Broadband Outphasing Modulation for Class-E Power Amplifiers

Efficient, Broadband Outphasing Modulation

 for Class-E Power Amplifiers

Co-sponsored by Cedar Rapids Section MTT Chapter

November 6, 2013 @ The New Cedar Rapids Downtown Library

Outphasing, or Chireix modulation, is a technique in which amplitude modulated signals are produced by the power-combination of two complimentarily-phase-modulated, fixed amplitude signals. Broadband, Class-E outphasing power amplifiers were developed, producing a continually variable power, up to 90W at 10MHz, and 88% efficiency, and 5W at 1 GHz at 77% efficiency.

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