[Elecraft] Using A 6 Meter LNA & Amplifier with the K3S

John Stengrevics jstengrevics at comcast.net
Mon Sep 24 07:46:15 EDT 2018


Thanks Ed, I have Jim’s control board in the amp.  Just trying to figure out the connections.

John
WA1EAZ

> On Sep 24, 2018, at 2:46 AM, Edward R Cole <kl7uw at acsalaska.net> wrote:
> 
> Since this is for 6m which kind of considered VHF, then use of a sequencer should be considered.  With either K3 or K3S the last stage of the sequencer can control TX INHIBIT control line of the K3/K3S which will delay RF output into the PA until after LNA and TR relay switching has occurred.  W6PQL sells both an amplifier control board with sequencing or separate sequencer:
> http://www.w6pql.com/v63control.htm
> http://www.w6pql.com/relay_sequencer.htm
> or from DEMI:
> http://01895fa.netsolhost.com/PDF/LTRS_PD.pdf
> 
> See:  http://www.kl7uw.com/TX-INHIBIT.htm
> 
> 73, Ed - KL7UW
> http://www.kl7uw.com
> Dubus-NA Business mail:
> dubususa at gmail.com 
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