Re: Simulation Potentiometer Recommendation?

"David T. Ashley" wrote:
>
> I have a potentiometer on a simulation board used to simulate an
> A/D input to a microcontroller-based product.
>
> The pot is a Radio Shack $1.99 kind of model. It worked OK for
> about 2 months and now it is behaving erratically.
>
> Application is low-current, strictly transducer stuff.
>
> Can anyone recommend a better style of potentiometer to use that
> will behave more precisely and last longer?

Anything should be better than a Radio Shack. You are looking for
generic carbon pots, which come in various tapers, such as
logarithmic, linear, etc. Digikey should produce something.
Salvaging something from an older radio/tv volume or tone control
should do.

--
Chuck F (cbfalconer@xxxxxxxxx) (cbfalconer@xxxxxxxxxxxxxxxx)
Available for consulting/temporary embedded and systems.
<http://cbfalconer.home.att.net> USE worldnet address!


.

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