[hpsdr] LPU & Multiple boards on Atlas

[Bruce Beford]

> 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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