Copper Trace Inductance Calculation

alisarhangpour · Dec 2, 2006

Is there any acceptable formula/software for calculating the Impedance of copper trace on a PCB?

Hero999 · Dec 2, 2006

**broken link removed**

Papabravo · Dec 2, 2006

alisarhangpour said:
Is there any acceptable formula/software for calculating the Impedance of copper trace on a PCB?

At what frequency? Inductance after all is frequency dependent.
AppCad is a free download from the following website
http://www.hp.woodshot.com/

Analog · Dec 2, 2006

**broken link removed**

http://www.analog.com/library/analogdialogue/archives/39-09/layout.html

http://www.ultracad.com/calc.htm

http://circuitcalculator.com/wordpress/2006/01/31/pcb-trace-width-calculator/

alisarhangpour · Dec 3, 2006

Thank you all, I found what I needed. But "Inductance is Freq. dependent" sounds a bit strange to me. Inductors might have parasitic capacitance/resistance but it doesn't mean they're freq. dependent.

chemelec · Dec 3, 2006

alisarhangpour said:
Thank you all, I found what I needed. But "Inductance is Freq. dependent" sounds a bit strange to me. Inductors might have parasitic capacitance/resistance but it doesn't mean they're freq. dependent.

I Agree, But there Effects are Frequency dependent.
At Low Frequencies they have Little Effect.
Approacing a Resonant Frequency, Should that be possible, the Effects would be GREAT.

Copper Trace Inductance Calculation

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