How accurately do you need to measure the amplitudes of the components? Sean On Wed, Dec 2, 2009 at 3:12 PM, Bruno L. Albrecht wrote: > Yeah, I thought a lot about doing it all in some microcontroller, with FFTs > and Goertzel et al, but I'm trying to do it all in analog electronics. > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist