jim wrote: >> Of course there are lots of IIR filters you could chose from, each >> with different characteristics like frequency flatness in the >> passband, rolloff rate, phase characteristics, etc, etc. > Just curious as to why you would suggest this as opposed to 8 bandpass > filters, either FIR or IIR. Are you dubious that the dspics would be > capable of this? Please put a blank line between your reply and what you are replying to. I= t makes it much easier to read. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .