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CAD of RF and microwave circuits and modules

CAD of RF and microwave circuits and modules

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Computer-aided design (CAD) and simulators are essential tools that help in expediting the process of implementing theoretical concepts into practical designs and offer an insight into the behavior of a complex problem. CAD facilitates testing design ideas before putting them into practice and more importantly before building a physical prototype. In fact, it is becoming imperative for design engineers to carry out simulations on standalone circuits as well as on large modules before deciding on manufacturing them. In this chapter, the discussion is on the generic aspects of CAD and modeling of RF and microwave circuits and the commonly used simulation methods in terms of their inherent assumptions and limitations.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Computational electromagnetic-based simulators
  • 6.2.1 Commercially available CEM tools
  • 6.2.2 Limitations of different CEM methods
  • 6.2.3 Boundary conditions
  • 6.2.4 Volumetric and surface mesh
  • 6.3 Circuit theory-based simulators
  • 6.3.1 Linear circuit simulators
  • Modified nodal analysis
  • 6.3.2 Nonlinear circuit simulators
  • Harmonic balance
  • Transient time-domain
  • Envelope method
  • 6.4 Domain decomposition for system level co-simulations
  • 6.4.1 Linear and nonlinear simulations
  • 6.4.2 Electro-thermal simulations
  • Thermal management considerations
  • 6.4.3 Electro-acoustic simulations
  • 6.4.4 Module integration
  • 6.5 RF and microwave modeling
  • 6.5.1 Polynomial curve-fit-based modeling
  • 6.5.2 Machine learning-based modeling
  • 6.5.3 Automatic model generation
  • 6.6 Power handling analysis
  • 6.7 Electromagnetic compatibility analysis
  • 6.8 Monte Carlo yield analysis and optimization
  • 6.9 Circuit elements sensitivity
  • 6.10 Six Sigma
  • References

Inspec keywords: circuit simulation; modules; microwave integrated circuits; radiofrequency integrated circuits; circuit CAD

Other keywords: RF circuits; electromagnetic compatibility analysis; CAD; computational electromagnetic-based simulators; domain decomposition; microwave circuits; optimization; standalone circuit simulations; six sigma; Monte Carlo yield analysis; power handling analysis; system level co-simulations; RF modules; circuit theory-based simulators; computer-aided design; circuit elements sensitivity; microwave modules

Subjects: Electronic engineering computing; Microwave integrated circuits; Product packaging; Semiconductor integrated circuit design, layout, modelling and testing; Computer-aided circuit analysis and design

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