SIT9005ACU2H-28NK

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Programmable oscillators, such as the SIT9005ACU2H-28NK, allow design engineers to select and program precise frequencies within a wide range while maintaining consistent stability. This type of oscillator is useful in a variety of applications such as wide-band controllers, cryptographic application controllers, and communication interface controllers.

The SIT9005ACU2H-28NK is a quartz-based hybrid oscillator that combines the advantages and precision of precision quartz technology with digital technology. It consists of a crystal resonator and a small signal hybrid analog/digital integrated circuit. The hybrid supports the highest possible signal purity and frequency accuracy while eliminating unwanted spurious frequencies.

This type of oscillator requires minimal external components with no need for external capacitors to complete a circuit. It features digital communication interface, power down/power up control, and a comprehensive library of standard programming options. The SIT9005ACU2H-28NK has a 1~40MHz adjustable frequency range, and adjustable temperature stability range of 0.2ppm, making it suitable for a variety of applications.

The oscillator comes with an inbuilt phase-locked loop (PLL) circuit and a voltage controlled tuning eigen oscillator (VCXO) control chip. The PLL circuit facilitates the accurate and fine regulation of the output frequency and the VCXO control chip ensures that the output frequency remains stable despite varying environmental conditions. Combined, these two elements form the core of the SIT9005ACU2H-28NK programmable oscillator.

The PLL circuit is used to provide a stable frequency output, ensuring that the oscillator produces a consistent waveform with minimum frequency drift. The PLL circuit is controlled by an external voltage, which can be adjusted to fine-tune the output frequency. The PLL circuit can also be used to precisely control the output frequency with maximum accuracy.

The VCXO control chip is used to ensure that the output frequency remains stable regardless of external temperature variations. It works by sensing the ambient temperature and compensating for any change affecting the frequency with correction signals sent to the PLL circuit. This ensures that the output frequency remains unaffected and consistent in any environment.

The SIT9005ACU2H-28NK is ideal for applications such as wireless communication interfaces, server system applications, and clock synchronization systems. Its ability to provide precise, stable, and adjustable frequencies make it highly suitable for use in various industries, such as telecom and automotive.

Due to its flexibility, portability and cost-effectiveness, the SIT9005ACU2H-28NK is an ideal solution for applications that require a precision oscillator with the highest levels of stability. Its digital communication interface, PLL and VCXO control chips provide users with an easy and efficient way to program and fine-tune the desired frequency.

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