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Signal Integrity Calculator
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Microstrip Z₀
Prop. Delay
BW / Rise Time
Diff. Pair
Microstrip Parameters
Trace width (W)
(mil)
Height to reference plane (H)
(mil)
Trace thickness (T)
(mil)
Dielectric constant (Eᵣ)
()
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