[time-nuts] quartz crystal configuration in small cases
attila at kinali.ch
Tue Mar 13 17:26:17 UTC 2012
I have been reading up on quartz crystal oscillators in the past few
weeks. Something that i couldn't figure out until now is what kind of
configuration the small crystals use.
If you read all those documents on quartz, they all show the oscillator
"core" as a round plate, approximately 1.4cm diameter, one side, maybe
both sides rounded (like ). That's all nice and good, but those
crystalls fit only into the large cases. Even a HC-49/US has not enough
space for such a plate. And the SMD cases are even worse.
Unfortunately, my google skills failed me on finding any information
on how the configuration of the crystal in those small cases look like
and what oscillation modes they use.
Would someone be so kind and give me a few pointers on this?
Thanks in advance
The trouble with you, Shev, is you don't say anything until you've saved
up a whole truckload of damned heavy brick arguments and then you dump
them all out and never look at the bleeding body mangled beneath the heap
-- Tirin, The Dispossessed, U. Le Guin
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