[Elecraft] K3 & KPA500 Spike in Output Power

[Peter Quick]

Thanks for the suggestion. I just finished the TX Gain Calibration &
the problem is fixed.

..73 Peter VE3SO

On 10/26/2011 1:11 PM, Ken Wagner K3IU wrote:
> You might try doing a TX Gain Calibration. It is in the K3 utility program.
> 73,
> Ken K3iU
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`
> On 10/26/2011 1:08 PM, Peter Quick wrote:
>> I have fairly new K3& KPA500. They both are running the latest
>> software. When on CW I typically call a station with my RX filter set
>> at 2.8kHz. If there is an increase in noise level, or other adjacent
>> signals I will switch receive BW progressively from 2.8kHz to 1.8 then
>> 400Hz. When I then resume transmitting I notice that I will see what
>> appears to be a power spike on the wattmeter on the KPA500 from 500 to
>> 700 watts for one or two dits, then drop back down to 500 watts. The
>> fault light does not flicker or come on when this happens. This never
>> happens when switching to 250Hz. It consistently happens when going from
>> 2.8 to 1.8 and from 1.8 to 400. All filters are from Elecraft and are 8
>> pole.
>>
>> Have others seen this and is it normal?
>> Is there a problem with this?
>> Is it an actual spike in power from the K3 resulting in a spike from the
>> amplifier?
>>
>> 73 Peter VE3SO
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