> -----Original Message----- > From: Andromeda_at_Mindspring.com [mailto:andromeda@mindspring.com] > Sent: Tuesday, 13 January 2004 1:01 PM > To: AVR-Chat@yahoogroups.com > Subject: [AVR-Chat] Crystal Oscillators > > > Hello, > Are crystal oscillators as simple to use as crystals with > loading caps? I am having a devil of a time matching > crystals with the right loading capacitors, and I thought > switching to crystal oscillators might make this part of my > life easier. > > I ordered crystals from Digi-Key that say 20pf load, and when > I hooked one up with a 20pf load on each pin, it simply didn't work. > > Do you think crystal oscillators might solve this problem? > The 20pF specified is the total capacitance including stray capacatance. So I would start of with a 39pF (I use 33pF as I got a good deal on 1000) in each leg of the crystal :o) Hope this helps Regards, Kat. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.560 / Virus Database: 352 - Release Date: 8/01/2004
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RE: [AVR-Chat] Crystal Oscillators
2004-01-13 by Kathy Quinlan
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