Standard Clarity
Guides

Guides

Plain explanations of the standards behind the calculators - what they cover, where they differ, and which to use.

Microstrip vs stripline: how to choose and how to calculate impedance

icrostrip or stripline? How the two differ, when to use each, why the dielectric height is the number people get wrong, and how to size a…

Updated Jun 2026

IPC-2221 vs IPC-2152: Which Trace-Width Standard to Use

Two IPC standards size a trace and often disagree. What separates them, and which to trust

Updated Jun 2026