Free industry tools
Note: Printed Circuit Engineering Association® makes no guarantees regarding their accuracy or validity.
PCB Trace Width Calculators
PCB Via Calculators
PCB Impedance Calculators
PCB Layout Tools
North American PCB Fabricators
Differential Stripline Impedance Calculators
High-Speed Constraints Tools
Charles Pfeil’s “High Speed Constraint Values and PCB Layout Methods v2”
