[Elecraft] KX3 Amp keying

Don Wilhelm w3fpr at embarqmail.com
Wed Jul 4 01:19:24 EDT 2012


That sounds like  Juma amp problem to me.  The antenna to KX3 loss 
during receive should be zero or close to it.  Sounds like you need to 
consult with Customer Support at Juma.

73,
Don W3FPR

On 7/3/2012 11:38 PM, Sid Leben wrote:
> In a much earlier question I had asked Wayne if the KX3 would be able to key the Juma PA100D amplifier. He responded with a yes..
> I tried it today with a cable from KX3 ACC2 to the T/R input on the Juma amp.  Yes it did key the amp, but when connected there was an appreciable receive loss on the KX3.  I am guessing, but in the order of 20-30db.
>
> What am I missing here ?  I'll take another look at it tomorrow…
>
> Sid
> KC2EE
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