On 9/27/05, Stef Mientki wrote: > > >Nyquist says, you need to filter at less than half the sample > >frequency before you sample the signal. > > > > > Not exactly, > he said sample frequency should be at least half the bandwidth. > So e.g. if you know (apriori) that your frequency is between 1000 and > 1100 Hz, > it's enough to sample with 200 Hz. > > Stef > That's correct. (if you meant to write "twice the bandwidth") Regards, Mark markrages@gmail -- You think that it is a secret, but it never has been one. - fortune cookie -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist