Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!julius.cs.uiuc.edu!apple!netcom!teda!ardai From: ardai@teda.UUCP (Mike Ardai) Newsgroups: sci.electronics Subject: Re: What is this bloody chip? Message-ID: <17120@teda.UUCP> Date: 21 Nov 90 15:41:26 GMT References: <1990Nov21.100446.8944@athena.mit.edu> Distribution: usa Organization: Teradyne EDA, Inc. Lines: 12 [He is wondering what a 567 is] You can't find it in the TTL databook because it is a linear chip. In this application, it is probably being used as a tone decoder, locking onto the carrier of the transmitted IR signal. Check the Linear book under the LM-567 (or similar prefix) /mike -- \|/ Michael L. Ardai Teradyne EDA East --- ------------------------------------------------------------------------- /|\ ...!sun!teda!ardai (preferred) or ardai@bu-pub.bu.edu