Jan-Erik Soderholm XA (TN/PAC) wrote: > I don't think he ment different clock *speed*, but having > different clock *source* (int/ext osc). He specifically mentioned jitter as an issue, which is a short term variation of the clock speed. I was trying to point out that small variations in the bit resolution time (Tad) from one bit to the next shouldn't effect the A/D conversion much. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads