[Elecraft] K3 PA3 not working

Don Wilhelm donwilh at embarqmail.com
Sat Sep 22 18:36:52 EDT 2018


Grant,

Yes, the K3 uses the same power and SWR sensing for less than 12 watts 
and greater than 12 watts.

It sounds like you have a non-functioning KPA3.
You might want to check with an external wattmeter to be certain.

73,
Don W3FPR

On 9/22/2018 6:05 PM, Grant Bright W5XB wrote:
> Hello All,
> 
> Just received a new to me K3. Love all the features and ease of operation!
> 
> Checking it out this afternoon, transmitting into a good swr, at 12 watts or
> less, the output shows 12 watts and 1.2 SWR
> 
> Turned up to 100 watts, the output shows 1 watt and no swr. Power supply
> voltage and current no issue.
> 
> Question: Does the 10 watt output and the PA3 share the same circuit for
> return power (SWR) or are they different?


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