[ARC5] RAK-5 and RAL-5 Receivers

Kenneth G. Gordon kgordon2006 at frontier.com
Sun Apr 28 19:42:50 EDT 2019


On 28 Apr 2019 at 17:53, Roy Morgan wrote:

> EXCESSIVE HEAT?  I wonder.  The whole receiver consumes only a few
> watts, and it´s quite big with lots of surface area to dissipate that
> "heat". 

Well, Roy, I think in this case the power mentioned is only that dissipated in the two 
resistors.

> It has been a long time since the RAL and RAK here have been running,
> but I expect a short time till they run again.  I will notice both the
> heat and the values of those resistors.  MAYbe those resistors
> themselves are running up toward their rated dissipation.  I think
> unlikely though. 

Well, my RAK and RAL 7s will be looked at before I fire them up again. In any case, there 
are capacitors in mine which have failed.

> Thanks for the info.
> 
> (I´m sorry to not be anywhere near the pair that may be available in
> Arkansas!   If an RAL and RAK pair are good, then two pairs must be
> better, right??) 

Absolutely correct!!! :-)

Ken W7EKB


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