FA-20H 12.0000MD30Z-K3

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Crystals

Crystals, also known as piezoelectric quartz crystals, are electrical components which generate an oscillation frequency when an electrical current is applied to them. The frequency can then be used to drive electronic circuits and devices. The FA-20H 12.0000MD30Z-K3 crystal is a commonly used device in a wide range of applications requiring high frequency accuracy, such as digital signal processing, timing and control systems. This article will discuss its application field and working principle.

Applications

The FA-20H 12.0000MD30Z-K3 crystal can be found in a variety of circuits and applications. It is often used for clock signal generation in microcontrollers and digital signal processors, as well as in radio frequency tuning circuits. It is also commonly used in computer, telecommunication, and instrumentation circuits.

Another application of the FA-20H 12.0000MD30Z-K3 crystal is in timing and frequency control systems. Clocks and watches use quartz crystals to maintain accurate timekeeping, while radio transmitters and receivers use crystals to generate and control the transmission frequency. The FA-20H 12.0000MD30Z-K3 crystal is also used in surveillance and navigation systems, in which precise timing and frequency control is vital.

Working Principle

The FA-20H 12.0000MD30Z-K3 crystal works on the principle of piezoelectricity. When an electric voltage is applied to the crystal, it produces an oscillation in its crystal lattice, which has a specific frequency. This frequency is determined by the mechanical construction and physical properties of the crystal.

Piezoelectric quartz crystals are made up of two plates of piezo material, separated by a dielectric insulating material. The two plates are connected together with a thin metal film. When an alternating voltage is applied to the crystal, the plates vibrate at their resonant frequency due to the piezoelectric effect. This resonant frequency is determined by the thickness and material properties of the quartz plates.

The crystal’s frequency is also affected by environmental factors. Temperature, humidity, and mechanical vibrations can cause the frequency of the crystal to drift from its ideal value. To combat this, temperature-compensated and shock-resistant crystals are available which feature a temperature compensation circuit or mechanically strengthened crystal plates.

Conclusion

The FA-20H 12.0000MD30Z-K3 crystal is a versatile component which can be used in a wide range of applications requiring high frequency accuracy. Its working principle is based on the piezoelectric effect, whereby an electrical current is used to vibrate the crystal plates at their resonant frequency. Environmental conditions can cause the crystal’s frequency to drift, however temperature-compensated and shock-resistant crystals are available to maintain frequency stability.

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