[Elecraft] K3 voltage under load

[Ed K1EP]

At 6/2/2009 08:26 AM, Bill W5WVO wrote:
>I own an Astron analog power supply, and there is NO fluctuation of voltage
>under full load, without load, or anything in between. That's what a 
>regulated
>power supply is supposed to do. I would say you have a defective power supply.

No, not necessarily.  He stated that the 12.3V was measured inside of 
the radio.  That reflects any IR loss to that point and not 
necessarily poor regulation on the supply.  More data is necessary to 
come to that conclusion.


>Harris Leck wrote:
> > I am running my K3 off an Astron RS-35M. No load voltage at the rig
> > is 14.0V (per the K3 display). Running approximately 100W this
> > reading drops to 12.3V. Is this the norm? BTW current reads just
> > under 18 amps. The amp meter reading on the Astron is way off.73
> > Harris K9RJ
> >