>Kevin wrote: > > This part. > > Two poles of LPF each with 8 shift bits per pole settles to about 93% > > in 1100 iterations. > > especially since shifting by 8 bits is particularly trivial, > > and 2 x 8 bits is a lot of random noise attenuation. > > There are a lot of statements in there, so again it's not clear what > specifically you are asking about. > > I guess the only choice is to start at the beginning. The "two poles of > LPF" means two low pass filters concatenated. This would be like two RC > filters with a buffer in between them. > > Better answers require better questions. I guess it falls into the I don't know what I don't know category. I'll check out a book and post a more direct question in the future. TIA, Kevin -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist