[hpsdr] LPU Photo

Henry Vredegoor henry.vredegoor at gmail.com
Mon Mar 22 19:04:19 PDT 2010


Hi Greg,

This is a picture of my 2nd populated LPU board (bottom side)

*http://www.hamsdr.com/personaldirectory.aspx?id=1047

*Although I have not checked/tested this one yet - the other one is 
operational and working OK, this one should be identical - but the 
operational one is not so easy to take a photo off).
Note that have not used the supplied connector, but used a wire set from 
a junked standard PC power supply, soldered to the top of the PCB.
I hope this helps you.
If in doubt or you have any further questions feel free to Email me.

73's,

Henry

> ***** High Performance Software Defined Radio Discussion List *****
>
> Greetings to the List
>
> Would someone plse send me a hi-res photo of the bottom view of  a
> working LPU unit.
>
> I am having very high noise coming out of my unit, though the voltages
> all look good. I may have one or more parts improperly oriented. If I
> use a computer supply in place of the LPU, Mercury works fine. With
> the LPU the noise is off the scale and kills everything. The noise is
> heard even before PowerSDR is stated up.
>
> I have all the latest firm ware installed and JP1 is jumpered.
>
> Thanks to all.  Great project and my thanks to all who have worked so
> hard to make this happen.
>
> 73
>
> Greg Danylchenko/VE3YTZ
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