[SI-LIST] Re: Shape factors for sheet resistance based estimations

  • From: Hal Murray <hmurray@xxxxxxxxxxxxxxx>
  • To: jmartinson@xxxxxxxxxxxxxxxxx
  • Date: Mon, 28 Apr 2003 18:28:29 -0700


> I'd like to figure out the resistance between two points on a PCB.
> I've used the sheet resistance "square" trick before for trivially
> simple shapes but now I'm looking at a shape that I'm not really sure
> how to turn into component squares.  ...

In case the paperwork approach doesn't work out...

Have you considered building a scale model?  Just take some PCB material with 
copper on at least one side and cut it to the right shape.  Then measure.

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