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Tutorial: Microstrip Filter Design

This tutorial will walk through a microstrip bandpass filter design:

  1. Specification — center frequency, bandwidth, and filter order
  2. Coupled-line geometry — line widths, gaps, and lengths from synthesis
  3. Simulation — two-port S-parameter extraction
  4. Analysis — insertion loss, return loss, and passband ripple

See Sources & Ports for port setup and Probes & S-Parameters for S-matrix extraction.