Comment on the FSK circuit. MMTTY used to send upside down in FSK and there was no way to change it via software. It is possible the circuit may have to be modified to invert the polarity.
73 de Brian/K3KO Dave Hachadorian wrote: > Comments interspersed. > > Dave Hachadorian, K6LL > Yuma, AZ > > -------------------------------------------------- > From: "Brett Howard" <[email protected]> > Sent: Thursday, March 04, 2010 1:11 AM > To: <[email protected]> > Subject: [Elecraft] RTTY via FSK-D > >> So I'm thinking about wiring up the FSK IN pin on the AUX >> connector to >> do RTTY TX "properly". I'm curious of a few things before I >> take the >> time to make the cable. >> >> First off how do people usually drive this signal? I assume >> its usually >> taken off of a serial port... > > > Yes, circuit is shown here: > http://www.aa5au.com/rttyinterface.html > > > > > I've tried a few RTTY apps and I've >> gotten them all to work via AFSK and all seem to have their >> pros/cons. >> I have a feeling in the end that I'll probably most use MMTTY >> being that >> it has a very nice interface into N1MM (unless there is another >> application that has a nice interface into N1MM that I should >> be aware >> of). > > > MMTTY is the way to go. > > >> Finally my last question is that if this comes off of a UART >> how has the >> timing been for people? > > > The timing is solid. > > > > ______________________________________________________________ > 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 > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.733 / Virus Database: 271.1.1/2721 - Release Date: 03/03/10 > 19:34:00 > ______________________________________________________________ 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
