[TenTec] Adapting PTO style Ten-Tec transceivers for FSK

[Jerry Volpe]

I've done a preliminary search of the Internet on this subject but 
surprisingly came up dry....

Does anyone have notes describing successful modifications for the PTO 
style transceivers?

And yes, I know about AFSK but I'd prefer to avoid it. I recently set up 
my Orion for FSK and would like to modify one of my other transceivers 
to incorporate FSK. I suppose it might be as easy as providing a 
calibrated voltage control to a small varactor operating in parallel to 
the one used for RIT/XIT.... yet you would also have to unbalance the 
balanced mixer to insert carrier OR operate in CW mode without the 
normal CW offset taking effect. So although simple in concept adding FSK 
creates some interesting challenges. So wondering if anyone tackled this 
in the past.

Happy Turkey Day to all!

Jerry, KG6TT
Fairfield, CA

-- 
Ralph Jerald "Jerry" Volpe
Amateur Radio Operator KG6TT
ARRL Member & VE
FISTS 12304

788 Chestnut Drive
Fairfield, CA 94533

kg6tt at arrl.net

510 325-7724
707 399-8838 FAX