S-Parameters
From numbers to engineering decisions
Understand S-parameters. Then use them with confidence.
Imagine a guided path from traveling waves and matched ports to a real Touchstone file. Each concept would connect to a worked example, a visualization, and a reason you would use it in the lab.
A possible learning path
- 01What do S11 and S21 actually mean?Build the mental model before the equations.
- 02Read dB, phase and VSWR correctlyKnow what the plot says — and what it doesn't.
- 03Use markers and a Smith chartTurn a curve into meaningful measurements.
- 04Make a real design decisionCompare devices and qualify frequency bands.