> I have seen a number of IC datasheets that call for low ESR capacitors > as external components. But when you look up capacitors in a Digikey or > other catalog, ESR is never quoted in terms of x ohms at 250kHz or any > other frequency for that matter. Even caps advertised as low ESR do not > cite actual ESR values. I remember seeing ESR values for one of the Panasonic lines in DigiKey. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, 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