SIT9005ACU2H-30EH

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Programmable Oscillators are oscillators that can be tailored to a specific application by adjusting its frequency, accuracy and stability parameters. SIT9005ACU2H-30EH is an example of a Programmable Oscillator, an indispensable component of many applications. This article will discuss the application field and working principle of the SIT9005ACU2H-30EH.

Application field of SIT9005ACU2H-30EH

SIT9005ACU2H-30EH is a programmable oscillator designed for applications such as telecommunications, industrial, computer, automotive and avionics. In these applications, the oscillator is used to generate frequencies that can be synchronized with other devices by adjusting its parameters. Its excellent stability and accuracy make it an ideal choice for high-precision and high-reliability applications.

The SIT9005ACU2H-30EH has a frequency range of 2.5 to 120MHz and is available in 6 different packages. Its high frequency stability and accuracy over temperature range of -40 to 85°C makes it a great choice for applications requiring reliable temperature performance. With its wide selection of operating voltages and power consumption levels, the SIT9005ACU2H-30EH can be easily integrated into many application designs. It also features Tri-State and output enable, which significantly reduces board space.

Working Principle of SIT9005ACU2H-30EH

The working principle of the SIT9005ACU2H-30EH programmable oscillator is based on a Phase-Locked Loop (PLL) structure. The PLL structure uses an internal voltage-controlled-oscillator (VCO) to generate a frequency which is then compared to its reference clock input. The VCO’s output frequency is adjusted until it is equal to the reference clock, and the resulting frequency is then selected as the output of the oscillator.

The PLL structure allows the frequency to be programmed by adjusting an external voltage. By varying the voltage, the characteristics of the oscillator, such as frequency, temperature stability and accuracy can be altered according to application requirements. The PLL structure also provides the ability to rapidly switch between multiple frequencies with minimal jitter, which is ideal for applications that require fast frequency switching with high timing accuracy.

The SIT9005ACU2H-30EH also features a Split-Frequency Programming Mode that allows the user to set the frequency by programming two separate frequencies. This mode is used in applications where an accurate frequency ratio is required and standard frequency programming is not an option. The two frequencies are programmed separately which allows for more accurate tuning and greater stability.

Conclusion

SIT9005ACU2H-30EH is a Programmable Oscillator designed for a wide range of applications. Its excellent frequency stability and accuracy over temperature make it an ideal choice for high-precision applications. Its PLL structure allows it to be programmed with external voltage, allowing it to be tailored to the specific needs of an application. In addition, its capability to rapidly switch between multiple frequencies with minimal jitter makes it an ideal choice for applications that require rapid frequency switching with high timing accuracy.

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