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Programmable Oscillators

Programmable oscillators are oscillators designed to provide a signal for various applications. They are very useful in producing precise signals in a wide range of different frequencies, making them ideal for a range of different applications. In this article, we will focus on the SIT9002AI-18N25DQ programmable oscillator, its application field and working principle.

The SIT9002AI-18N25DQ

The SIT9002AI-18N25DQ is an advanced version of the SIT9002AI-18N25D programmable oscillator. It is designed for use in audio, video, telecommunications and other high-speed type applications that require precise timing signals. It has an ultra-low phase noise of -120 dBc/Hz, an ultra-high resolution of 0.001 Hz, and an ultra-high output amplitude of up to 3.3 V.

Application Fields

The SIT9002AI-18N25DQ is mainly used in audio, video and telecommunications applications. It is ideal for applications such as digital video broadcast (DVB) or digital versatile disc (DVD) that requires precise timing and synchronization signals. It can also be used in HDTV, mobile phone base stations, GPS and other high-speed applications where precise timing signals are needed. In addition, it can also be used in digital cameras, printers, modems, TV tuners and other devices.

Working Principle

The SIT9002AI-18N25DQ is designed to generate a precise signal for applications such as digital video broadcast (DVB), digital versatile disc (DVD) or high-speed applications. It is a programmable oscillator, which means it is designed to be programmed to produce a specific signal based on user needs. The device consists of a specially designed tuning capacitor and a voltage-controlled oscillator (VCO). The VCO is the main component of the oscillator, and it generates the output signal. The tuning capacitor is used to change the frequency of the output signal, and the voltage-control input is used to control the frequency of the output signal.

Additionally, the SIT9002AI-18N25DQ utilizes a power-saving technique called “Dynamic Frequency Tuning.” This technique allows the user to program the output frequency of the oscillator without the need for extra current consumption. Additionally, the on-chip flexible output slew rate control ensures the output signal is always within the requirements of the application. The device also features a low-noise output buffer and a low-power sleep mode.

Conclusion

The SIT9002AI-18N25DQ programmable oscillator is a highly reliable and precise device that is ideal for audio, video and telecommunications applications. Its ultra-low phase noise, ultra-high resolution, and ultra-high output amplitude make it suitable for a range of different applications. Its Dynamic Frequency Tuning and low-power sleep mode also make it a power-saving solution for applications that require precise timing signals.

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