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(Hereunder some insights of a good friend of mine regarding the ribbon controller idea)

On 12.24.97 Wim Verheyen <> wrote:

>Hello Andre,

>Both ribbon controllers and the joystick can be buffered with a simple
>voltage follower. This might be necessary if you patch the output to the
>input of several modules.
>Voltage follower :
>- take a standard compensated op-amp (741, TL084, TL072 etc.)
>- connect the - input to the output
>- add a resistor of 270 ohms between the output of the amp and the
>output jack (short-citcuit protection)
>- the input signal is applied directly to the + input of the amp.

Just a few thoughts.

Merry Christmas and a happy New Year to you and your family,

 Wim Verheyen, Hasselt, Belgium,
 The Aemit modular analog home, The Kurzweil K2000/K2500 Atomium
(see his Envelope Follower Schematics for details)