Hello Tec Netters,
We are de-buging a new circuit board containing a microwave filter operating
in the 2 - 3 Ghz range.  This filter was soldered around the perimeter of
the case to the ENIG ground plane using 63/37 eutectic.  The engineer is
stating that electrically the filter does not appear to be adequately
grounded to that plane.  I am wondering if there is a better way to attach
these filters?  Would it be better to solder the entire bottom of the filter
case to the plane?  Is anyone using conductive epoxy?  Liquid or sheet?  I
would appeciate comments.
Thanks,
Jim Kittel
L-3 Communications

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