[Elecraft] KPA1500 LO GAIN FAULT

Eric Swartz - WA6HHQ, Elecraft eric at elecraft.com
Wed May 1 18:31:14 EDT 2019


Hi Ed,

I or one of our support engineers will contact you directly after we review the 
config file you sent us. Most likely by either late today or early tomorrow.

73,
Eric
/elecraft.com/

On 5/1/2019 2:01 PM, Ed gilliland wrote:
> Well I spoke too soon.
>
> I still have a KPA1500 problem.  I am not getting the LO GAIN FAULT and I do 
> have RF out but I cannot get 1500 watts output with 50 watts drive.
>
> I connected the KPA1500 to a dummy load and loaded the the latest version of 
> the KPA1500 utility.
>
> With 20 watts drive the utility displays the following readings.
>
> INPUT             20W
>
> PA VOLTAGE        53V
>
> PA CURRENT        19A
>
> EFFICIENCY        21%
>
> POWER OUTPUT      254W
>
>
>
> With 50 watts drive the utility displays the following readings.
>
>
> INPUT           50W
>
> PA VOLTAGE      53V
>
> PA CURRENT      34A
>
> EFFICIENCY      40%
>
> POWER OUTPUT    715W
>
> Ed
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html



More information about the Elecraft mailing list