Computer-Aided Strategies

Computer-Aided Strategies

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More than easing computational burdens, the digital computer has revolutionized the way we design filters. Any modern treatment of filter design must address strategies which have become practical including real-time tuning, statistical analysis, sensitivity analysis, design centering and optimization. It is now feasible to optimize for desired and customized characteristics while simultaneously considering component losses, parasitics and discontinuities. Many filter synthesis theories which we use today were developed in an age when computing tools were far less sophisticated. Wonderfully elegant mathematical solutions were found for a variety of filter problems, but idealized assumptions were required to make the process manageable. Today, these idealized symbolic theories form a starting point which is followed by brute force numeric techniques.

Chapter Contents:

  • 6.1 Overview
  • 6.2 Synthesis CAE
  • 6.3 Simulation
  • 6.4 Lumped-Distributed Equivalence Accuracy
  • 6.5 Physical Models
  • 6.6 Simulation Technologies
  • 6.7 Analysis
  • 6.8 Tuning
  • 6.9 Optimization
  • 6.10 Statistical Analysis
  • 6.11 Node Elimination Algorithm
  • 6.12 Element and Output Classes
  • 6.13 Detailed CAE Example
  • 6.14 The Next Step: Simulation
  • 6.15 References

Inspec keywords: circuit CAD; digital filters; numerical analysis

Other keywords: brute force numeric techniques; sensitivity analysis; statistical analysis; filter design; filter synthesis theory; computer-aided strategy; digital computer

Subjects: Electronic engineering computing; Computer-aided circuit analysis and design; Other numerical methods; Digital filters; Other topics in statistics; Digital filters

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