HC-49/U-S3579545ABJB

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Crystals are an invaluable component in electronic systems, playing an important part in a variety of fields such as communications, radar and navigation. One type of crystal commonly used in industrial and commercial applications is an HC-49/U-S3579545ABJB. This type of crystal has an operating frequency range of about 30MHz to 32MHz, and is widely used in the telecoms industry. In this article, we will take a look at the application field and working principle of an HC-49/U-S3579545ABJB crystal.

Application Field

An HC-49/U-S3579545ABJB crystal is typically used in radio frequency (RF) applications, such as oscillators, filters, and frequency dividers. It is also widely used in analog and digital logic circuits. Its most common applications include wireless communications, satellite communication, microwave communication, radar systems, navigation systems and aerospace applications. The HC-49/U-S3579545ABJB crystal is also often used as a frequency standard for timing and calibration purposes.

Working Principle

The basic principle of an HC-49/U-S3579545ABJB crystal is the same as all other quartz crystals. Quartz is a piezoelectric material, meaning that when it is subjected to an electrical charge, it vibrates. This vibration produces a very specific frequency, which is used to control the timing of electronic circuits. When a voltage is applied to the quartz crystal, the crystal vibrates at its natural frequency and produces a very accurate frequency. This frequency is then used to control the frequency of the circuit, ensuring that it operates with the highest possible accuracy.

The structure of the HC-49/U-S3579545ABJB crystal is made up of two main sections. The first is the active section, which is the quartz crystal. This crystal is held between two metal electrodes, which allow for the passage of electrical current. The second is the passive section, which is the metal casing that surrounds the crystal. This casing helps to shield the crystal from external noise, as well as preventing it from being damaged by physical shock.

In order to ensure that the crystal is able to oscillate at its natural frequency, the crystal is cut in such a way that its resonance frequency is close to the desired frequency. This is done through a process known as lapping and dicing. The crystal is then mounted on a metal lead frame, which contains the electrodes that effectively form the circuit. Once the crystal is assembled in this manner, it is ready to be installed in the circuit.

The HC-49/U-S3579545ABJB crystal is a reliable and accurate component, which is why it is so widely used in a variety of applications. Its key features include a wide operating frequency range, good temperature stability, and high accuracy. It is also highly resistant to shock and vibration, making it ideal for use in a variety of environments.

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