[SI-LIST] Re: Need a tool to calculate trace inductance.

  • From: Chris Cheng <chris.cheng@xxxxxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Tue, 22 Oct 2002 12:49:58 -0700

I don't think you want to calculate the inductance of a trace if it is 9-10
inches long. You probably want to consider its impedance and prop delay
instead.

-----Original Message-----
From: Herrin, Bradley T [mailto:bradley.t.herrin@xxxxxxxxx]
Sent: Tuesday, October 22, 2002 12:09 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Need a tool to calculate trace inductance.



Hi there-  
I could use some help and was referred to this list.  I am trying to
calculate the inductance or a trace on an inner layer of a board with 1 Oz
copper.  The trace is 9 to 10 inches long and is approximately 4 t o4.5
inches wide.  The layer is using 1 Oz copper.  Does anyone have the equation
or tool similar to Ultracad to calculate this inductance value?

Thanks in advance

Brad

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