Questions tagged [quartz]

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How to use 4 pin crystal with power?

I have a KXO-V97T 8MHz crystal. It looks like it's an unusual crystal. The datasheet contains the following pinout: 1 - h or open 2 - GND 3 - OUTPUT 4 - VCC A crystal with VCC? I am surprised. The ...
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2answers
69 views

starting material for silicon production

Where does silicon semiconductor manufacturing start from? I mean, what are the principal ores that may be used to start the technological process and what extraction process is used? (And what are ...
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3answers
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What is the current through a parallel LC tank circuit in its resonant frequency?

I read that in a quartz crystal: For a series-resonant crystal, the crystal current is the RMS voltage across the crystal divided by the crystal internal series resistance. Meanwhile, for a parallel-...
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2answers
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The Piezoelectric Effect on Natural Quartz Crystals

Background I have recently started doing a lot of research on the piezoelectric effect with the hopes of gaining a better understanding of the topic. When I can I like to do experiments on top of ...
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1answer
62 views

How does a crystal oscillator work? [closed]

What I already know is that they are used as a frequency generator when they are stimulated at their own resonance frequency. But when I have to tune the applied voltage to that certain frequency, why ...
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3answers
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Quartz Crystal with or without metal lid for EMI suppression?

Is there any reason for choosing a quartz crystal with or without metal lid? Some datasheets (this one for instance: link) claim better EMI performance and other do not write at all about it. So is ...