--- In Repeater-Builder@yahoogroups.com, "skipp025" <[EMAIL PROTECTED]> 
wrote:
>
> 
> Was the original final transistor heat sink only anchored 
> to the transistor case by a pressure fit?  
> 
> Did you try to firmly anchor the original heat sink with 
> some type of insulated mounting hardware?  

You'd still get significant capacitive coupling to the heat sink. 
The emitter-case transistor is a much better solution. 








 
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