SIT9005ACR2G-25NN

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Programmable oscillators are versatile, reliable frequency generation components that come in a range of sizes and frequency ranges. Primary among these is the SIT9005ACR2G-25NN, a high-precision programmable oscillator with a bandwidth of 25.0MHz. In this article, we explore the application field and working principle of the SIT9005ACR2G-25NN.

Applications

The SIT9005ACR2G-25NN is well suited to many different application fields, including embedded systems, large vehicles, small appliances and cellular devices. Its 25MHz frequency range makes it an ideal solution for applications dealing with high-frequency signals, such as radio and medical imaging systems. Additionally, the SIT9005ACR2G-25NN achieves superior jitter and stability thanks to its integrated voltage controlled oscillator (VCO). This makes it ideal for applications where accuracy matters.

The wide temperature range of -40 to +85 °C also makes the SIT9005ACR2G-25NN an appropriate choice for automotive and industrial applications, which are often subject to large temperature swings. In addition, it offers wide tuning ranges, programmable pin functions, enable / disable function and programmable power down modes.

Working Principle

The SIT9005ACR2G-25NN is a highly versatile programmable oscillator that combines digital programming and RF engineering in one package. It is constructed with a standard XO cavity, a TCXO oscillator, and a voltage-controlled oscillator (VCO) circuit, which can be programmed using an external serial EEPROM. This allows the user to adjust the frequency, stability, and other parameters of the oscillator circuit according to their needs.

The VCO circuit is controlled by a fixed frequency clock generated by the XO cavity, while the external DAC is used to adjust the VCO frequency. The VCO frequency can then be programmed via the integrated EEPROM. This allows the user to generate frequencies between 50 and 25.0MHz, with tuning accuracy of ±100ppm across the full temperature range.

In order to optimize the SIT9005ACR2G-25NN’s performance, it is important to use the right components. This includes using a capacitor with a low ESR, connecting the control pins properly, and using a good quality coaxial cable. Additionally, good grounding practices must be observed to ensure good electrical performance.

Conclusion

The SIT9005ACR2G-25NN is a highly versatile, programmable oscillator designed for applications dealing with high-frequency signals. Its wide temperature range, programmable pin functions and voltage-controlled oscillator (VCO) circuit make it an ideal solution for embedded systems, large vehicles, small appliances and cellular devices. In order to get the best performance from the SIT9005ACR2G-25NN, it is important to use the right components and observe good grounding practices.

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