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Vintage Crystal Oscillator Teardown & Experiments
Автор: vk2seb
Загружено: 2017-07-01
Просмотров: 38773
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Taking apart an old NDK 48MHz ovenized crystal oscillator from the 80s, making some measurements; and taking macro shots of the quartz.
I make some initial frequency measurements before taking it apart, and then after ripping out the crystal I run it through a tracking generator to look for resonance peaks.
Interestingly the crystal seems to operate at a slightly different frequency to what's written on the OCXO packaging, and the 'big' crystal package actually has a small one buried inside!
Website post: https://sebholzapfel.com/blog/vintage...
Callsign: VK2SEB
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