SIT3809AC-C-25NE

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Programmable Oscillators are well applied in multiple areas, such as digital devices, medical devices and telecommunication networks. As a critical component in the operation of modern products, they control the time and frequency of the system, helping it to stay in sync and keeping it under control. The SIT3809AC-C-25NE is an example of such a device and this article focuses on the applications field and working principle.

Applications

The SIT3809AC-C-25NE can be applied in a wide range of electronic equipment. It is basically a high-performance programmable oscillator with a low-temperature stability of typically ±25 ppm over a wide operating temperature range. Therefore, this compact device offers versatility, stability, and good temperature performance, making it well-suited to a number of industries, including:

• Consumer electronics, such as cameras, computers and mobile devices.
• Defence & Aerospace, from satellites to fighter jets.
• Telecommunications, from wireless systems to cellular networks.
• Industrial, from process control and automotive systems to factory automation.
• Medical, from patient monitoring and blood pressure analysis to imaging systems.

The small size, wide temperature range and small phase noise makes it an ideal choice for any time-related application.

Working Principle

The SIT3809AC-C-25NE is based on a programmable oscillator integrated circuit. Its operation is based on the use of an external capacitor and a bias voltage signal, to generate sine waves at a frequency given by the following equation:

F=1/(6.283RC)

The oscillator has a frequency range of 0.5MHz to 57.95MHz and the frequency can be adjusted through programming. To achieve this, the external capacitor value and voltage bias are changed, allowing for precise tuning of the frequency.

The device is designed for excellent reliability, with a low jitter of +/- 15ps, making it optimal for applications where precision is key, such as communication radios. It also has a low dropout voltage for improved voltage regulation, allowing it to maintain frequency accuracy over a wide operating range.

Conclusion

The SIT3809AC-C-25NE is an excellent choice for a range of applications and industries, due to its versatility and excellent temperature performance. It features excellent low-jitter and great frequency control, making it suitable for demanding applications. With its wide frequency range, it is an excellent choice for cost-effective time-domain solutions.

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