[Elecraft] Power Supply Question

[Larry Phipps]

I think you'll find that power Schottkys don't have any lower drop than 
a typical silicon rectifier. They are not like the Schottky signal 
diodes in that regard.

Larry N8LP



G3VVT at aol.com wrote:

>Hi all,
> 
>A diode was my first try, but there are several problems with that  approach.
> 
>The first being the additional volt drop can make battery charging more of  a 
>problem with a fixed supply, though a schottky diode would help to some 
>degree  on that score. The biggest problem was the generation of heat was greater 
>than  would have comfortable with and there was not enough room within the PSU 
>case to  add the additional heat sinking required for the diode. However, the 
>DC current  requirements were rather higher for the repeater application than 
>would be  required to drive a basic K2.
> 
>Yes, a diode could certainly be used with care.
> 
>Bob, G3VVT
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