PCB Trace Design Basics | PCB Knowledge

[@_a.z]

Impedance is often unimportant

[@hoytvolker3]

Not true, it is important for impednace matching to avoid reflections and matain signal integrity.

[@_a.z]

@@hoytvolker3 Which you often don't need unless they are high speed and relatively long distances!

[@FrostDragonOfStorms]

​@@_a.zHigh-Speed is a big part of PCB design. Saying that impedance is often unimportant is hugely misleading.