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Electronic Knowledge | Oscillator

一、Definition

A crystal oscillator (OSC or XO) is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a precise frequency.

 

二、Function

Most are used for consumer devices such as wristwatches, clocks, radios, computers, and cellphones. Quartz Crystals are also found inside test and measurement equipment, such as counters, signal generators, and oscilloscopes.

 

三、How to order?

Key Points: Frequency? SMD or DIP? Ppm?

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