MOTM

Assuming you have the usual current-source-drives-resistor-string
setup:
A trimmer at the "reference" end of the resistor string (normally ground
end)
will set an offset, and the current value of the current source that drives
the string sets the scaling.

JH.


-----Urspr\ufffdngliche Nachricht-----
Von: Nathan Alan Hunsicker <etan@...>
An: MOTM Newsgroup <motm@egroups.com>
Gesendet: Sonntag, 27. August 2000 20:18
Betreff: [motm] offset and tracking


> Does anyone know of a simple way I could add a DC offset or adjust the
> tracking/scaling of a resistor chain keyboard? I want to be able to use
> this keyboard with my motm gear but I would still like to have the
> modules calibrated to my Encore Expressionist. I know I could calibrate
> to the resistor chain keyboard and then use the Encore to set the
> offset/tracking, but there's something wonderful about being able set
> the encore at 0/0 and have everything in tune. (It just seems
> blasphemous the knock everything out of calibration to use this silly
> keyboard) Any suggestions? Simple circuits? Schematics? Let me know.
> Thanks -Nate
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