Homebrew PCBs

This would be On Topic on Electronics_101 or Advanced_Electronics.
It is Off Topic here.

Steve, the moderator

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>   File        : /booster/booster.gif 
>   Uploaded by : farnell_mark <farnell_mark@...> 
>   Description : a simple booster. I suspect the positive TxD
> signal from an ATX motherboard fails to drive the positive side
> of the transistors. Do you think that this can be solved by
> swapping the signal transistor with the 390R on both side, as in
> booster2.gif?  
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http://groups.yahoo.com/group/Homebrew_PCBs/files/booster/booster.gif
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