From: utzoo!decvax!decwrl!sun!megatest!fortune!hpda!hplabs!hao!seismo!harpo!eagle!karn Newsgroups: net.audio Title: Filter design info wanted Article-I.D.: eagle.937 Posted: Tue May 10 17:11:39 1983 Received: Sat May 14 02:48:53 1983 I'm looking for cookbook references that would help me design a Bessel low-pass filter using switched-capacitor chip(s). (A Bessel filter has maximally flat phase response across the passband.) This is for a data demodulator, not an audio application, but I figured that those with the expertise would most likely be on this newsgroup. Thanks, Phil Karn