In order to fulfil impedance requirements, we require that you specify the following information in the Impedance Control section of the board view.

For all traces that require impedance control:

  • Relevant layers (eg top/bottom)
  • Mode (eg single-ended, differential)
  • Transmission line type (eg microstrip, coplanar waveguide etc)
  • Trace width (for identification)
  • Space/distance between trace pairs for differential mode
  • Value (eg 50 ohm)
  • Tolerance (eg +/- 10%)

Note that the higest tolerance we currently support is +- 8%.

You may also indicate whether you require a coupon - extra charges apply.

For any further requirements, constraints or clarifications use the comments input box.

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