[SI-LIST] Connector pin contact resistance variation

  • From: Fisayo Adepetun <fisayo.adepetun@xxxxxxxxx>
  • To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Fri, 31 Mar 2017 17:43:31 +0000

Hello SI gurus,
Given a high speed connector, how much variation in DC contact resistance
on each pin in a differential pair (DC R imbalance) is acceptable? This is
intended for a 1.25GHz SGMII bus.

What is the usual realistic variability range expected for reduced
emissions assuming there is no skew anywhere else in the channel?

Thanks!

- fisayo


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  • » [SI-LIST] Connector pin contact resistance variation - Fisayo Adepetun