[Elecraft] [KX3] LiPol battery pack and KX3 - voltage vs output

Alan Bloom n1al at sonic.net
Mon May 7 23:31:04 EDT 2012


A more elegant way to do it would be a low drop-out regulator.  Maybe
something like this:

http://search.digikey.com/us/en/products/MIC29302WT/576-1124-ND/771593

Alan N1AL

On Mon, 2012-05-07 at 16:48 -0700, Dick wrote:
> I ran into a problem running the KX3 on 14.8vdc Li-ion packs after charging. 
> The initial voltage exceeded 16 volts, the KX3 reported it and then shut
> down. The solution was a simple one. I put two 50v, 3A diodes in series with
> the positive lead.  I also added a center off - spdt switch to bypass one or
> both diodes as the voltage dropped after operating for awhile.
> 
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