Congratulations: ft847 now works with varac 3.7.9 cat, see 847 HW below
Congratulations, your latest varac 3.7.9 with 847rig now can handle the ft847 with PTT over RTS or CTS and CAT over serial-com.
Here the specific ft847 requirements as I have it working:
PTT and modulation must be on the same connector with ptt over RTS or CTS, and NOT ptt over cat
The PKT connector is ONLY for FM. The Data-In-Out connector is ONLY for all except FM, usually SSB. VaraHF uses Data-In-Out.
The circuit diagram in Yaesu-manual-(my page 16) has a wrong capacitor with 10uF in "afsk-out". I must use 0.47uF. With 10uF my ptt switches too slowly.
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Thanks, no problem any longer. I only wanted to confirm that you got the ft847 working with CAT and RTS. And I only wanted to add the HW needs (0.47u, ptt and modulation on Data-In-Out connector) necessary to get the ft847 working with any kind of soundcard.