I mis-read the "few ohms" part of the resistance range and thought the=20 range was 20-25. Joe W On 5/11/2012 9:44 PM, Neil wrote: > I suspect putting two resistors this much apart together in parallel > would result in a significant linearity issue, and a resulting > resolution issue at one end of the range. > > That 77 should be below 27 I bet though. > > Cheers, > -Neil. > > > On 5/11/2012 7:00 PM, Joe Wronski wrote: >> Do the math for putting a 1K digital pot in parallel with a 27 ohm >> resistor. I don't trust my quick try which says the pot should vary >> from 77 to 338 ohms, which would not be a resolution problem, would it? >> Joe W >> >> --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .