Re: [SI-LIST] : SMA launch

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From: RMELLISON@aol.com
Date: Tue Jun 05 2001 - 13:26:19 PDT


Javier,
delrin is a form of plastic; scratch "delrin" and insert "plastic". The
diameter of the washer was such that it fit in between the 4 ground posts of
the SMA. The washer was placed on top of the card between the connector and
layer 1. The thickness of the washer raised the connector just slightly,
giving a little extra inductance in the center conductor. I included a
ground fill around the outside surfaces with the same diameter as described
earlier. This was done in order to make it easy to add a little capacitance,
if necessary.
Richard Ellison
972-569-8317

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