[hpsdr] LPU & Multiple boards on Atlas

[Ed White]

Yes I think so
Ed
WA3BZT

On 4/6/2011 6:04 PM, Dave Larsen wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> 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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