[hpsdr] SOLVED Tapr hombrew hermes shutdown problem

Oliver Goldenstein oliver.goldenstein at gmail.com
Tue Feb 19 13:17:02 PST 2013


>
> Puh....i replaced F3 by  a 2 A fuse i had in the box and the board is now
> alive since one hour. Programmed the new Firmware with HPSDRProgrammer V2.
>
> Many thanks Phil!
>
> I learned a lot in understanding those fuses by the bourns whitpapers:
>
> http://www.bourns.com/multifuse/
>
> It could be that the fuse was active before. With every use the trip
> current gets lower.
>
> So good to know to have something on board that works so well :-)
>
> I ordered some fuses 2 / 2,5 / 3 Ampere hold current.
>
> Is it suggested to replace F1, F2 by the 2 A and F3 by the 3 A one ? The
> schematic shows 2 A (hold current) for all three?
>
> 73 Oliver DL6KBG
>
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