> Is anyone aware of methods for "extending" the resolution of an AtoD > converter in software/some other cleverness? I'm aware that you can take > several readings in succession then average them to obtain some measure of > improvement Are you looking to extend the resolution right across the FS range of the converter, or do a u-law or A-law type operation that is used for telephony where the low order bits effectively get thrown away as the signal gets larger? -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads