445W2XH14M31818

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Crystals have been used in various electrical applications for centuries. The 445W2XH14M31818 crystal is a low-frequency crystal device developed primarily for use in oscillators and filters. It is a dual frequency crystal with a center frequency of 18.432MHz and a pair of harmonics at 7.683MHz and 24.8 MHz.

The 445W2XH14M31818 crystal is a relatively small surface mount device with a single hermetically sealed ceramic package measuring 6.35 mm by 4.06 mm by 1.49 mm. This crystal involves the interplay of capacitors and coils that create an electrical field inside the package. These fields interact with the crystal itself, creating a resonant frequency.

The application of the 445W2XH14M31818 crystal can be divided into two main categories. The first type of application has to do with oscillator circuits. Oscillator circuits convert a DC voltage into an AC voltage at a specific frequency. The 445W2XH14M31818 crystal is used to generate a sinusoidal waveform at the specified frequencies. It is widely used in the fields of frequent communications, frequency synthesis and access control systems. When the mechanical tuning of oscillator circuits is unstable, the crystal is used as an accurate and stable frequency source instead.

The second type of application for the 445W2XH14M31818 crystal is in filter circuits. Filters are used to allow a specific range of frequencies to pass through while blocking out other frequencies. The 445W2XH14M31818 crystal can be used to provide a narrow-band response to improve signal-to-noise ratio and selectivity. This makes it popular in RF signal processing and communication systems.

The working principle of the 445W2XH14M31818 crystal is based on the piezoelectric effect. This effect is an inherent property of certain materials, and it is the result of the interaction between the mechanical and electrical properties of these materials. When a certain mechanical force is applied to a piezoelectric material, an electric charge is induced. This induced voltage can be used to create an alternating electrical field inside the package, which interacts with the crystal to create the desired frequency.

In conclusion, the 445W2XH14M31818 crystal is a dual frequency crystal with a center frequency of 18.432MHz and a pair of harmonics at 7.683MHz and 24.8 MHz. Its application can be divided into two main categories, oscillator circuits and filter circuits. It is widely used in the fields of frequent communications, frequency synthesis, access control systems, RF signal processing and communication systems. The working principle of the crystal is based on the piezoelectric effect, which involves the interaction between the mechanical and electrical properties of certain materials.

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