445A3XS14M31818

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Crystals encompass a wide range of materials and devices, many of which are used to enhance electrical and mechanical signals, produce oscillations of specific frequency, or filter frequencies. The 445A3XS14M31818 is one such type of crystal, useful for operations relying on high frequency and accuracy. The application field and working principle of the 445A3XS14M31818 and what makes it a preferred option among other crystals shall be discussed in the following sections.

Application Fields of 445A3XS14M31818

The 445A3XS14M31818 is a passively driven crystal that operates in an electrical circuit with a specific frequency and comes with an integrated load capacitance. As such, it is ideal for use as a high frequency reference for tracking resonators, clock circuits, microprocessors, data converters, and for timing applications. As an example, it is commonly used in computers and digital electronics to ensure that the computers\' internal clock runs at a precise frequency, and is used to create controlled oscillation frequencies in radios, oscillators, and communication devices.

In addition to its frequency stability, the 445A3XS14M31818 is also known for its high precision, making it a suitable option for applications that require frequency correction and/or synchronization. Its wide range of operating temperatures adds to its versatility, as it can be used in both high and low temperature applications.

Working Principle of 445A3XS14M31818

The 445A3XS14M31818 has an active region that is composed of a small crystal slab, which is made of a piezoelectric material. This material has the property of producing electrical charges in response to mechanical stress. At the same time, it can also produce mechanical motion in response to an electric field.

The crystal slab is mounted in an electrical circuit. When the voltage is supplied to the circuit, it produces an electric field across the crystal slab, causing it to deform. This deformation creates mechanical stress in the crystal slab, which produces an electrical charge that is directed back into the circuit. This charge then produces an electric field across the crystal slab that is 180 degrees out of phase with the incoming signal, thus producing an oscillation.

The frequency of the oscillation is determined by the characteristics of the crystal slab and the load capacitance connected to the circuit. This process of piezoelectric-driven oscillation continues in a loop until the circuit is interrupted. The frequency stability of the oscillation is further enhanced by the fact that the crystal slab has very little temperature dependence, meaning that its frequency does not change significantly when the ambient temperature changes.

Conclusion

The 445A3XS14M31818 is an ideal choice for applications that require a high frequency reference that is precise and stable. Its application fields include microprocessor synchronization, clock circuits, data converters, and tracking resonators, while its working principle involves an active crystal slab that responds to an electric field and produces an electric charge in response to mechanical stress. The frequency of the oscillation is determined by the characteristics of the crystal slab and the load capacitance connected to the circuit, while its frequency stability is further improved by its low temperature dependence.

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