[Elecraft] KPA100 Shield Mod

Fri Mar 19 17:42:01 2004

Lyle:  If this is the case, then wouldn't a piece of judiciously placed 
electrical tape do as well?

best,

dave

On Mar 19, 2004, at 5:15 PM, Lyle Johnson wrote:

> Hello Vic!
>
>> Since my scientific examination of the situation indicates that it 
>> would
>> take aproximately 139.78 G's to dislodge the DSP daughterboard, I
>> removed the little rubber strip alledgedly needed to keep it from
>> falling out, thus allowing me to pull the KPA100 straight up.
>
> In some K2/100s, the mechanical tolerance buildup is such that the 
> KPA100
> heatsink may be *extremely* close to the 20-pin connector on the DSPx
> module.  If the heatsink contacts the connector, and if the 
> anodization is
> scratched or otherwise fails at the point of contact, a short could 
> occur.
> This is the primary reason for the foam in the K2/100 installation.
>
> 73,
>
> Lyle KK7P
>
> PS - My DSPx dislodged with an impact of only 137.2 G...
>
>
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