Thanks, Don. Are you talking about the "PTT IN" and "KEY OUT" RCA jacks?
I Googled "one transistor keying circuit" and it came back with some amplifier keying circuits. Is that what I should be looking for, or something else? I'm sure the answer is obvious, but I'm just having a hard time seeing it. ;-) Take care. -john W4PAH On Tue, Aug 7, 2012 at 6:20 PM, Don Wilhelm <w3...@embarqmail.com> wrote: > John, > > I would suggest that you use the "one transistor keying circuit" (Google and > you will find many sources) for the keying and PTT. Connect the output of > the one transistor keyer to the K3 rear panel keying input and PTT input. > > You will still have the problem that the computer will activate those > signals when the computer boots, so boot the computer and than turn on the > K3 - or take other common sense precautions like switching the K3 to a dummy > load during computer boot times. > > 73, > Don W3FPR > > > On 8/7/2012 5:38 PM, John Shadle wrote: >> >> Hi all, >> I'm trying to accomplish keying with my K3 using the RS232 port and a >> COM port on my desktop computer. >> >> I currently use the RS232 for station logging to provide frequency, >> mode, etc. information and for rig control (e.g., click on a spot and >> then the radio changes frequency/mode). Unfortunately, the program I >> use (AC Log by N3FJP) does not allow you to choose the same COM port >> for both rig control and CW keying. >> >> My question is whether or not I could use a splitter of some type (at >> the K3) to go to 2 separate ports (e.g., COM 1 and COM 2), then use >> COM 1 for rig control and COM 2 for keying. Has anyone else done this? >> Is this acceptable practice? >> >> Thanks! >> -john W4PAH >> Madison, WI >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
