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Crystals: 445A25E30M00000 Application Field and Working Principle

Crystals have been used in various applications for hundreds of years, ranging from jewelry to military radar systems, with a particularly important use in watches. In this article we will look at the application field and working principle of one type of crystal, the 445A25E30M00000.

What are 445A25E30M00000 Crystals?

445A25E30M00000 crystals are precision ceramic resonators, made from high-frequency quartz crystals. They have a tolerance range of ±10 ppm, a temperature range of -40°C to 85°C, and a center frequency of 18.8 MHz. They have a very low ESR value of 1.5 ohms maximum, making them the ideal choice for a variety of RF and microwave applications. As with all crystals, the 445A25E30M00000 has a mechanical construction under pressure and a piezoelectric effect.

Application Field of 445A25E30M00000 Crystals

The 445A25E30M00000 crystal is a high precision crystal oscillator, ideal for use in applications requiring a high degree of accuracy. Common applications include crystal radios, military communication radios, satellite communication systems, automotive control units, and medical equipment.

Specifically, the 445A25E30M00000 crystal is often used in applications requiring a low current and low frequency such as medical equipment, radio receivers, and mobile phones. It is also used in higher frequency applications such as medical imaging, automotive radar, and navigation systems.

Working Principle of 445A25E30M00000 Crystal

The 445A25E30M00000 crystal functions by amplifying the frequency of an incoming signal. This amplification is accomplished through the use of its piezoelectric properties. When voltage is applied to the crystal’s electrodes, it causes the crystal to vibrate at an amplified frequency. This amplified frequency is then sent out of the crystal as an output signal.

The frequency of the output signal can be adjusted by altering the voltage applied to the crystal’s electrodes. For example, a lower voltage will cause the crystal to vibrate at a lower frequency and a higher voltage will cause the crystal to vibrate at a higher frequency. This makes the 445A25E30M00000 an ideal device for a wide range of frequency tuning and signal generation applications.

Conclusion

The 445A25E30M00000 crystal is a precision ceramic resonator, made from quartz and with a low ESR value. It is ideal for a variety of RF and microwave applications, and its frequency can be tuned by varying the voltage applied to its electrodes. It is used in a variety of devices, including radios, medical equipment, navigation systems, and automotive radar.

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