Why Your Impedance Calculator is Wrong

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Have you noticed a marked difference between the results given by PCB impedance calculators? It turns out, you’re not wrong. Tech Consultant Zach Peterson dives into this variety by exploring determination methods, the IPC-2141 vs Wadell equations, and more.

0:00 Intro
0:41 Online Impedance Calculator Variety
1:59 10 mil Spacing Variation
3:31 Comparing Impedance Determination Methods
7:25 IPC-2141 and Wadell’s Equations
9:34 Online Impedance Calculators
12:06 Coplanar Differential Pair Calculator?

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