Ameritron sells a PIN diode switch assembly (http://www.ameritron.com/Product.php?productid=QSK-5) which can be used for this purpose.
Bob N7XY On Mar 17, 2012, at 9:18 AM, [email protected] wrote: > The powercube is definitely a ham amplifier. I know of at least one > owner who is very happy with the one he has but, then, he only operates SSB. > > Most amps that use relay T/R switching (and that is *most* amps) do the > clickety-clack thing. I know of failed relays that could not take the > abuse. Your solution of using semi-breakin with an appropriate delay is > the only way to avoid this problem. With my new KPA500 I no longer have > that problem but, with my previous Tokyo HyPower amp, I used a homebrew > PIN Diode switching system to do all of my T/R antenna switching with > all solid state circuitry but that is not a trivial exercise. > > Don K7FJ > > > > > On 3/17/2012 4:49 AM, [email protected] wrote: >> I am attempting to slowly learn to work with CW but at first it is with >> a computer program but I am not sure if that is relevant. >> >> I understand the reason for break in as it allows for RX listening >> between your TX in case someone it trying to contact your. >> >> The issue is that when using VOX and with semi or full breakin when >> using my amp the relays in the amp are clicking and clacking like crazy >> which to me seems very abusive to the amp. My solution has been to go >> to semi break in and then set a long delay time so the amp and K3 stay >> keyed. >> >> The amp is an SGC powercube and I do have it wired to the K3 so it gets >> a PTT signal. >> >> Am I doing the right thing with the delay or are there other ways to >> stop the amp from going nuts or is this just the nature of the beast. >> >> >> ~73 >> Don >> KD8NNU >> >> ______________________________________________________________ >> 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 >> > > ______________________________________________________________ > 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 _____ N7XY DX Cluster Node - telnet to n7xy.net, port 7300 ______________________________________________________________ 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

