Awesome tutorial, Jim!! The only thing I would add are some
optocoupler circuits to keep laptop serial and LPT ports safe.
Thanks for taking the time to put all of that together for the rest of us!!!
73 - Glenn AE0Q
On Tue, Jan 27, 2009 at 10:58 AM, Jim Brown K9YC
<k9yc@audiosystemsgroup.com> wrote:
> On Mon, 26 Jan 2009 21:54:00 -0600, Duane Calvin wrote:
>
>>AFSK not only can provide a nice splatter generator (as Gary noted some
>>folks will tell you), but it also can be susceptible to RF on the incoming
>>AF transmit audio lines, depending on how you decouple it (or not.)
>
> This tutorial tells you how to do it easily.
>
> http://audiosystemsgroup.com/HamInterfacing.pdf
>
> 73, Jim K9YC
--
"Remember, any tool can be the right tool!" Red Green
AE0Q / V31RY ex: GM5BKC, ZB2WZ, SV0WY, WA0VPK
ae0q@arrl.net --SOWP 5558-M, ARRL LM, QCWA LM, OOTC, NCVA--
http://www.radiotipsandtales.com
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