[hpsdr] LPU & Multiple boards on Atlas

[Dave Larsen]

I do want to remind everyone teh LPU was suppsed to be a simple fix
until Demeter is built.  Is there interest in getting Demeter going
again?

http://openhpsdr.org/wiki/index.php?title=DEMETER


Dave, KV0S


On Wed, 2011-04-06 at 17:33 -0400, Bruce Beford wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> > Actually, it's not quite that simple. Obviously the power dissipation 
> > will be the same in all cases, but that does not mean that the 
> > temperature rise will be the same.
> > The thermal characteristics will be different, expressed as degC/W 
> > depending on the ease of getting the heat into the air. A small diode 
> > will likely get hotter than a big resistor, but diodes mounted on a nice 
> > heatsink will outperform the big ceramic resistors. If the goal is to 
> > reduce the temperature of the circuit then some care needs to be taken 
> > to find an optimal solution.
> > 73  Alf  NU8I
> 
> Agreed. Which is why I use heat-sink mounted Dale power resistors for this
> purpose.
> 73, Bruce, N1RX
> 
> 
> 
> 
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