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Crystals

Crystals have been used in applications ranging from clocks and watches to mobile communication devices and home electronics. In particular, the 445I33B25M0000 crystal, is widely used in consumer electronic products. In this article we will discuss the application field and the working principle of the 445I33B25M0000 crystal.

Application Field

The 445I33B25M0000 crystal is used in a wide range of consumer product applications including digital TV’s, DVD players, graphics cards and DVR’s. The crystal also finds applications in mission-critical areas such as GPS navigation and satellite broadcasting. In addition, the crystal is also utilized in the automotive field for speedometers, audio systems and dashboard displays.

Working Principle

The 445I33B25M0000 crystal operates on a fundamental resonant frequency of 25MHz. The quartz crystal acts as a type of filter which operates on the principle of piezoelectricity. Piezoelectricity is a property of certain materials that enables them to produce a voltage when they are subjected to mechanical stress. When a voltage is applied to the quartz crystal, the crystal responds by vibrating which produces a resonant frequency.

The vibration of the quartz crystal produces mechanical energy which is then converted into electrical energy. The electrical energy is then utilized to drive an oscillating circuit which is comprised of passive components such as capacitors and resistors. The oscillating circuit is then connected to an amplifier stage which amplifies the signal and sends it to the external circuit.

The circuit is tuned to the resonant frequency of the quartz crystal, which is 25MHz in the case of the 445I33B25M0000. By adjusting the components of the oscillating circuit, the frequency reference can be fine-tuned to ensure maximum accuracy and reliability. This process is also known as tuning the circuit.

Conclusion

The 445I33B25M0000 crystal is widely used in consumer electronic products and mission-critical applications. The crystal operates on a fundamental resonant frequency of 25MHz, and utilizes the principle of piezoelectricity to convert the mechanical energy produced by the crystal into electrical energy. The electrical energy is then utilized to drive an oscillating circuit which is tuned to the resonant frequency of the crystal. By adjusting the components of the oscillating circuit, the frequency reference can be fine-tuned to ensure maximum accuracy and reliability.

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