[Elecraft] Design reasons for X7-X11 case soldering

[Harry Yingst]

My K2 3458 had you solder to the bottom right in the manual (and on
both sides)


I did the SSB adapter on my own





--- "Tom, W6WW" <tom@cwx.com> wrote:
> So should I change the top-soldered crystals to bottom side
> grounding?
> 
> 73,
> Tom, W6WW
> K2 #3453
> 
> 
> > Actually, the desired result of grounding the crystal cans with a
> direct
> > lead is a low inductance ground that sets up a shield to crystal
> signal
> > blowby, thus improving the performance of the filter.  Stray
> coupling of
> the
> > signal you are trying to filter might be greater if the cans were
> all at a
> > higher impedance than direct grounding them creates.
> > You are converting the cans from acting as plates of a capacitor to
> acting
> > as a shield.
> >
> > Often crystals have a steel type can, and thus you also are getting
> the
> > magnetic shield tied well to ground.
> > -Stuart K5KVH
> >
> 
> 
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=====
Harry - AB2PN

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