Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!spool.mu.edu!uunet!mcsun!ukc!strath-cs!cs.glasgow.ac.uk!dam From: dam@cs.glasgow.ac.uk (David Morning) Newsgroups: sci.electronics Subject: Re: How do I choose a capacitor type ? Message-ID: <7709@vanuata.cs.glasgow.ac.uk> Date: 8 Feb 91 12:20:48 GMT References: <64@owl.ukc.ac.uk> <10836@pasteur.Berkeley.EDU> <1991Feb7.145212.24656@news.larc.nasa.gov> Organization: Computing Sci, Glasgow Univ, Scotland Lines: 17 kludge@grissom.larc.nasa.gov ( Scott Dorsey) writes: ]In article <10836@pasteur.Berkeley.EDU> spp@zabriskie.berkeley.edu.UUCP (Steve Pope) writes: ]>A few simple rules for audio circuits: ]> ]>(1) Always use an aluminum electrolytic as opposed to a tantalum ]>in an audio signal path (this applies not only to coupling caps, ]>but emitter bypass caps etc.). ]NO NO NO! Aluminum electrolytics are better than the tantalums, but they ]are still pretty bad. Use a plastic film capacitor (polypropylene is ]better, but polyester is okay). Where can I get 100uF emitter bypass or 10uF coupling polypropylene or polyester caps? Dave