[SI-LIST] Controlled impedance PCB question

  • From: Allan Davidson <allan.davidson@xxxxxxxxxxxxxxx>
  • To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 19 Jul 2001 12:21:35 -0700

Hi guys:
If I wanted a PCB with two different values of controlled impedance, say
some 50 ohm traces and some 40 ohm traces, is this relatively easy to
design and fabricate, or would I end up paying a lot more for both the
design of the board and production quantities?

Also, is this fairly common, a board with multiple values of controlled
impedance traces?

Appreciate any insight.
Thanks, Allan
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