On 05/25/2015 08:18 AM, Tim wrote: > On Mon, 2015-05-25 at 03:56 -0500, g wrote: >> would you presume dropping of voltage would cause a great amount of >> change in a crystal's oscillation? > > Seems highly tangental to the prior conversation, but possibly yes. > > Essentially, it's a mechanical vibration, even at a very high rate. > > If you gently pluck a guitar string while tuning it, it doesn't play > the same note as if you very harshly pluck the string. Or, to put > in another way, you pluck a string and let it ring, the note it plays > goes slightly flat before it peters out to not vibrating (the > frequency decreases). a good analogy. but that applies slightly differently. basically, crystals are cut to oscillate at designed frequency, with exceptions being those designed to vary with voltage. > So, I wouldn't be surprised if you kick a crystal with less voltage > to make it swing than you usually do, it mightn't do it so fast. true, but if frequency cut, they tend to reach designed resonance. i did find a good lead in to crystals which refreshed my learning from years ago at; https://en.wikipedia.org/wiki/Crystal_oscillator more info relating to v/f swing near bottom; https://en.wikipedia.org/wiki/Crystal_oscillator#Circuit_notations_and_abbreviations [notable those with "VC" in name] info on BIOS chip is at; https://en.wikipedia.org/wiki/BIOS both of which tend towards 'off topic', but i thought it might help others who may like to know more about the bios chip and it's oscillator. -- peace out. If Bill Gates got a dime for every time Windows crashes... ...oh, wait. He does. THAT explains it! in a world with out fences, who needs gates. CentOS GNU/Linux 6.6 tc,hago. g . -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org