Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!uunet!portal!cup.portal.com!mmm
From: mmm@cup.portal.com (Mark Robert Thorson)
Newsgroups: comp.arch
Subject: Re: Crystal oscillator theory.
Message-ID: <21625@cup.portal.com>
Date: 27 Aug 89 04:13:18 GMT
References: <123232@sun.Eng.Sun.COM>
Organization: The Portal System (TM)
Lines: 4

You can think of a crustal as an inductor with super high Q.
(Obviously, it's an insulator at DC, unlike an inductor;
I'm referring to its AC behavior.)
(Q can be thought of as "frequency selectivity".)