The crystal oscillator is an oscillating circuit that uses the mechanical resonance produced by a vibrating crystal of piezoelectric material to produce the electrical signal having the stable frequency. Because of its stability in producing frequency which is used to provide clock signal for digital circuits, used in quartz wrist watches for tracking the tome, to stabilize the frequencies of radio transmitters and receivers. The oscillator circuits which containing the crystal named crystal oscillatory circuits. The most common used piezoelectric crystal is quartz crystal.
The frequency range of kilohertz to hundreds of
megahertz is manufactured by with help of these quartz crystals. As say above
the most applications of these crystals are used in cellphones, computers,
radios, clocks, wristwatches, signal generators and in oscilloscopes
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