Power amplifier design based on nonlinear embedding models with design examples

Power amplifier design based on nonlinear embedding models with design examples

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The chapter begins by discussing the motivations for starting power amplifier (PA) design at the current-source reference planes. Next, the technique of nonlinear embedding which bypasses the need for fundamental and harmonic source and loadpull simulations is considered. Simulation and measurement results for Class-B are presented together with the concept of optimal harmonic injection. The Chapter goes on to analyze Class-F, and design examples are provided. Applications to Doherty and Chireix Pas are then presented, and the Chapter concludes by presenting the designs of broadband Pas with the continuous Classes B/J and F.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Motivation for nonlinear embedding
  • 6.3 Embedding model
  • 6.4 Class-B example and harmonic injection
  • 6.5 Class-F theory and design example
  • 6.6 Doherty PA design example
  • 6.7 Chireix PA design example
  • 6.8 Continuous Class-B/J power amplifier
  • 6.8.1 Design space analysis with nonlinear-embedding technique
  • 6.8.2 Broadband Class-B/J mode PA design using model-based nonlinear-embedding technique
  • 6.9 Continuous Class-F power amplifier
  • 6.9.1 Investigating feasible design space
  • 6.9.2 Broadband continuous Class-F PA design using model-based nonlinear-embedding technique
  • References

Inspec keywords: UHF integrated circuits; integrated circuit design; UHF power amplifiers

Other keywords: Class-F; Class-B; nonlinear embedding models; design examples; power amplifier design; PA design; Class-J; optimal harmonic injection; Doherty and Chireix PAs; current-source reference planes

Subjects: Microwave integrated circuits; Semiconductor integrated circuit design, layout, modelling and testing; Amplifiers

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