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#ComponentsCloseUp No. 008 : 1MHz Crystal Oscillator (CTS Electronic Components PN: MXO45-2C-1M0000). -
I was surprised to see the crystal in this metal-can packaged oscillator being supported by tiny golden springs! Apparently this is required for larger crystals to absorb some of the mechanical shock/vibration present as it oscillates. From what I read, this generally isn't needed on smaller crystals because they have much less mass and thus don’t generate as much vibration.
I tried to open this first by using my hot air station. After a few minutes of 480C and the air maxed out, I determined the top was likely not soldered together and attached by some other means (or perhaps I didn't pull hard enough to separate them). I resorted to my Dremel and a standard cut-off wheel which worked pretty good, but left some rough edges (and I cut through a lead or two, but at least the main parts were intact). I couldn’t find any information on the IC, and surprisingly the circuit board is actually ceramic.