> >> 1) What is the resistance of the resistive material across the
> >> length of the
> >> ribbon?
>
> >Have to check on this. My guess is that the resistive element is not the
> >metallic coating on the underside of the ribbon itself, but the wirewound
> >element embedded in the panel that the ribbon presses against.
I checked this out last night. Resistance of the metallic foil laminated to
the ribbon is very low, about 2 ohms.
Resistance of the embedded wirewound element is 1K ohms.
Dave Bradley
Principal Software Engineer
Engineering Animation, Inc.
daveb@...