Saturn PCB Design Toolkit v. 8.20 includes the following calculators:

microstrip; stripline; differential pair; via current; PCB trace current; planar inductor; padstack; crosstalk; Ohm’s law; XC XL reactance; BGA land; Er effective; wavelength; and PPM. Incorporates current capacity of PCB trace, via current, differential pairs and much more.

Saturn PCB Design
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