If your potentiometer is worn, it may be impossible. Well, it'll smooth out the "noise" but you could leave your pot at the 50% position and it reads as 80% just because the static resistance is bad not just the moving resistance. Danny Info wrote: > Hi, I have a linear potentiometer that gives out about 3v p-p noise when > moved. This noise must be suppressed so the signal can be read by > an 12bit 0-10v A/D input. Ideal would be if the noise could be suppressed > below 0.01v That might not be possible in real world? If not, I can live > with 0.03v > > > This is how its connected: > 24vDC --- 12k resistor --- 5k lin. pot. --- 0vDC > Output from the 5k lin. pot goes into the A/D input (100kohm) > > What would be the simplest way to smooth out the noise on the pot. output? > A cap (size?) in parallel with the pot's output? > > TIA. > > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist