Excellent post Jesse, but yours always are. FJ = > Hi - this isn't directly a resource for crystals and whatnot, but if you = > don't have "Art of electronics" by Horowitz & Hill, you should get it = > asap. While it is dated in some ways, it is by far the best coverage of = > "timeless fundamentals" and I expect to refer to it occasionally for = > decades to come. If you're serious about learning a breadth of topics = > in electronics, this is the book for you. Why would one use a crystal = > vs. oscillator? What circuits drive different types of crystals? How = > accurate are they, and what affects accuracy? It is in there. The = > specific parts mentioned are old and often obsolete, and it doesn't = > matter whatsoever, because it is the how/why discussion that makes it so = > valuable and timeless. > = > I used it and some online references (including PICLIST) while debugging = > intermittent problems with a 32Khz RTC design, and now I know a lot more = > about it all. > = > The writing style and clarity are so good you can just open it and read = > and get a great tour of the hows and whys of a vast range of electronics = > topics. > = > When I have a serious head-scratcher problem, I read H&H, look online = > and search PICList archives, and then ask questions here having "done my = > homework", which everyone appreciates - it keeps the SNR high and = > discussions interesting. > = > Have fun, > J > _________________________________________________________________ See how Windows Mobile brings your life together=97at home, work, or on the= go. http://clk.atdmt.com/MRT/go/msnnkwxp1020093182mrt/direct/01/ -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist