Roger Go to this site http://www.k6xx.com/radio/fastrely.pdf
K6XX has a need relay speed-up circuit that might be applicable to the relay in your amp. I suppose that it requires the relay to be a 12v relay, though. Don't know what you actually have. Good luck and 73 Bob N6WG ----- Original Message ----- From: "Roger Marrotte" <[EMAIL PROTECTED]> To: "'Dave G4AON'" <[EMAIL PROTECTED]>; <Elecraft@mailman.qth.net> Sent: Thursday, March 20, 2008 7:12 AM Subject: RE: [Elecraft] K3 and linear amp > I guess as of now I'm out of luck if I want to use my amp with a K3. I just > checked the manual for my AL-811H and "The open frame relay in the AL-811H > takes approximately 15ms to switch states". My K3 is on order. I hope > there's a K3 firmware change made before I get my K3, that will allow me to > adjust the change over timing. I'm far from an expert with amps. I have no > idea what an average switch over time is for amps in general. Ameritron > sells a high speed switching option, the QSK-5, that reduces the switching > time to 1ms. It costs around $300.00. A K3 firmware change would sure be > less expensive. > > Roger, W1EM > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Dave G4AON > Sent: Thursday, March 20, 2008 10:45 AM > To: elecraft@mailman.qth.net > Subject: [Elecraft] K3 and linear amp > > Todd > > Beware the manual for the AL1200 doesn't appear to mention the change over > timing of it's relay, the K3 outputs RF approx 10 milli seconds after the > linear keying line goes low - measured on mine with a half decent scope. > There is currently no adjustable delay for that timing in the K3 (although > it has been mentioned as being on the "to do" list), even my TS-480 has a > choice of 10 mS or 25 mS - it only costs half the price of a K3... > > 73 Dave, G4AON > K3/100 #80 > ================ > > One question remains and it is probably ridiculously simple but I can not > see it. How do I get the K3 to trigger the relay in my Ameritron AL 1200?. I > see no connection for a cable to the amp nor nothing in the config menu. > > thanks in advance! > > 73 > de > todd > WB2ZAB > > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
