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Message: 1
Date: Tue, 15 Oct 2024 03:16:34 -0000
Subject: Re: [MRCA] Progrock 2 What IF board
Content-Type: text/plain;charset=iso-8859-1
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
>
>
>
>
>
>
> ______________________________________________________________
> MRCA mailing list
>
------------------------------
Message: 2
Date: Tue, 15 Oct 2024 03:17:50 -0000
Subject: Re: [MRCA] Progrock 2 What IF board
Content-Type: text/plain;charset=iso-8859-1
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
>
>
>
>
>
>
> ______________________________________________________________
> MRCA mailing list
>
------------------------------
Message: 3
Date: Tue, 15 Oct 2024 03:19:05 -0000
Subject: Re: [MRCA] Progrock 2 What IF board
Content-Type: text/plain;charset=iso-8859-1
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
>
>
>
>
>
>
> ______________________________________________________________
> MRCA mailing list
>
------------------------------
Message: 4
Date: Tue, 15 Oct 2024 03:20:21 -0000
Subject: Re: [MRCA] Progrock 2 What IF board
Content-Type: text/plain;charset=iso-8859-1
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
>
>
>
>
>
>
> ______________________________________________________________
> MRCA mailing list
>
------------------------------
Message: 5
Date: Tue, 15 Oct 2024 03:20:36 -0000
Subject: Re: [MRCA] Progrock 2 What IF board
Content-Type: text/plain;charset=iso-8859-1
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
>
>
>
>
>
>
> ______________________________________________________________
> MRCA mailing list
>
------------------------------
Message: 6
Date: Tue, 15 Oct 2024 03:20:48 -0000
Subject: Re: [MRCA] Progrock 2 What IF board
Content-Type: text/plain;charset=iso-8859-1
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
>
>
>
>
>
>
> ______________________________________________________________
> MRCA mailing list
>
------------------------------
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MRCA mailing list
End of MRCA Digest, Vol 246, Issue 30
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