Are you using optoisolators (such as 4N33)? If so, that's your
problem. They tend not to work with the FT-1000D. I use 2N2222 or
equiv transistors and they work well with the 1000D. 1K resistor in
the base line, emitter to ground, output from the collector.
73,
Barry W2UP
On 10 Feb 2005 Courtney Judd K4WI wrote:
> Hello All, I have for some time been trying to build an adapter... 3
> attempts... to allow FSK from my FT-1000D to serial port on the
> computer. Com 1 runs the rig and com 2 was to be the interface for
> RTTY, PTT and CW. Each device ended up with the rig keying up and
> staying keyed up untill the device was unplugged. So I am back with
> ASFK for this weekend. Circuit was built straight from Don's AA5AU
> site. So any ideas or is there anyone building such an interface for
> re-sale? Plug and play is most desirable!
> I will be on SO/SB 10 mtrs this weekend. Would NA4W be better or
> stick
> with K4WI? GL to all, 73's Cort
>
> Courtney Judd K4WI / NA4W
> 2300 County Road 61
> Uniontown, Al. 36786
>
> Check out my web site:
> http://home.earthlink.net/~k4wi/k4wi/
>
>
>
> _______________________________________________
> RTTY mailing list
> RTTY@contesting.com
> http://lists.contesting.com/mailman/listinfo/rtty
>
--
Barry Kutner, W2UP Internet: w2up@mindspring.com
Newtown, PA Frankford Radio Club
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