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What is the significance of PPM in Crystals?

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deepak.sibi

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Hi All,

What is the significance of PPM in Crystals?What does it signify?


TIA.,

Deepak
 

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Re: PPM in Crystals

part per million frequency shift per degree of temperature change.
e.g. 50 ppm over -20 to 80 degree (= delta 100) can cause 5000 ppm = 0,5%
frequency variation.
 

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