Hi John, Aha! I see that now. OK, I will follow the instruction in Fred’s book to set this.
Thanks & 73, John WA1EAZ > On Sep 23, 2018, at 11:53 AM, John Simmons <[email protected]> wrote: > > I think it is called TX DELAY. I know the setting is in there. > > -John NI0K > > John Stengrevics wrote on 9/23/2018 10:29 AM: >> Hi Don, >> >> That was timely as I just got off Skype with Jim, W6PQL. He mentioned that >> the ALC should be held high for some milliseconds to allow for the amp’s >> relays to switch over thereby protecting the LNA. >> >> Since the K3S works differently than most, he suggested that I look for an >> RF Hold-Off setting on the K3S and set it for around 50 milliseconds. That >> being said, I don’t see that in the manual or in Fred’s book. Any >> suggestions? >> >> 73, >> >> John >> WA1EAZ >> >>> On Sep 23, 2018, at 11:12 AM, Don Wilhelm <[email protected]> wrote: >>> >>> John, >>> >>> I do not understand how the amplifier or the ALC could protect the LNA. >>> I assume the LNA is only used on receive, so if you have good sequencing >>> between receive and transmit, no damage could occur. >>> ALC is only applicable to transmit, and Elecraft does not recommend using >>> ALC to limit the drive to the amplifier. Set the power to the amp properly >>> and all will be well. >>> Using ALC to control the exciter power is a bad way to do things, it will >>> only lead to distortion and spurious emissions from the amplifier. >>> >>> 73, >>> Don W3FPR >>> >>> On 9/23/2018 10:58 AM, John Stengrevics wrote: >>>> My apologies - I should have added that I am using a Downeast Microwave >>>> DTR relay to take the LNA out of the line when voltage applied to the >>>> relay drops as a result of transmission. >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> <mailto:[email protected]> ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
