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Signal Integrity Calculator

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Microstrip Parameters

Uses IPC-2141A closed-form approximation. Accurate within ±2% of full-wave simulation for W/H ratio 0.1–10.

Results

Characteristic Impedance (Z₀)
55.3 Ω
Effective Dielectric Constant (Eₑff)
3.034
Phase Velocity
172 km/s
Impedance sensitivity
+10% W:-2.2 Ω
+10% H:2.9 Ω
+10% Eᵣ:-2.3 Ω