[MRCA] Progrock 2 What IF board

[Wa6bbq at sdf.org]

My sincerest apologies. This mail client will be taken out behind The barn
and given the old yeller sendoff.
So much for trying to escape gmail. Ok yes, a small amount of bourbon was
involved, but this by far and away was a user interface failure, I swear!

Jason WA6BBQ


> I’m wondering if these things can be programmed with Mark and Space
> frequencies and just FSK’d between the two with some simple digital logic
> and a mechanical teletype.
>
> Jason WA6BBQ
>
>> Attach photo of my Progrock2 "What IF" board. The Edge connector was cut
>> from a larger 32 pin connector. Dip switches are used for "Bank"
>> selection and allow the board to output on  8  frequencies.  The
>> output
>> Photo Jack can be moved to any of the three CLK outputs. Power is a 9V
>> battery.
>> Blank PC soldering pads allow for playing   "What IF".  My next "What
>> IF" board will have an additional dip switch for CLK output selection
>> and increase the board output capability to 24 programmed frequencies. 
>> TIP: The outputs (CLK) are not buffered  -  you have to add a
>> capacitor
>> in series. If the board looks a little ruff and like it was assembled
>> late on a Saturday night in 45 minutes - you might be right.
>> Z
>>
>>
>>
>>
>>
>>
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