[Elecraft] Erratic transmit power -- ALC oscillating?

Don Wilhelm w3fpr at embarqmail.com
Thu Feb 10 18:05:00 EST 2011


  Bob,

One thing that I failed to add, and might be a concern to you at first.
It is normal for the K2 to take 2 to 3 dit times to come up to the full 
requested power after a change in the power knob setting, a change in 
bands or a power on.

73,
Don W3FPR

On 2/10/2011 4:00 PM, n7zf wrote:
> This is a new build of a rev A K2 (installed rev B mods), rework eliminators,
> no options installed, several other mods installed including the CW waveform
> keying mod (VALC circuit).  Receiver is working well.
>
> If I set the output power to 5 watts,  the usually K2 reports the power as
> 4.2 watts or 6.3 watts -- sometimes 5.1 watts.  I am seeing some unexpected
> things in the ALC circuit on the control board and am wondering if the ALC
> is causing the transmit power to fluctuate.
>
>


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