SIT9005ACR1H-XXNL

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 Introduction

Programmable oscillators are devices designed to provide an adjustable frequency signal. They are especially useful in applications where an adjustable frequency signal is required. SIT9005ACR1H-XXNL is a programmable oscillator manufactured by Silergy Corporation, with adjustable frequency range from 0.25MHz to 100MHz. It can be used in a variety of applications, and its working principle is discussed in this article.

 Application Fields

The SIT9005ACR1H-XXNL is designed for applications that require a wide frequency range and adjustable frequency accuracy. It is particularly suitable for communication, navigation, frequency measurement and control systems. Its wide frequency range makes it ideal for applications such as radio, microwave, defense and aerospace applications, where precise and adjustable frequency control is required. It is also useful for medical applications that require precise frequency control. Additionally, it can be used as a reference clock for multiple applications, for example, in Ethernet switches and optical networks.

 Working Principle

The SIT9005ACR1H-XXNL is an IC based programmable oscillator. It uses logic gates to generate the adjustable frequency signal output. It is essentially composed of two main components - a main frequency reference and a control input. The main frequency reference is provided by a crystal oscillator, which is accurate and stable, providing a known and consistent frequency output. The control input, typically sourced from a microcontroller, is used to adjust the frequency output. This is achieved by controlling the delay of the logic gates connecting the crystal oscillator to the output.

The frequency adjustment range is determined by the design of the control logic. In the SIT9005ACR1H-XXNL, the maximum frequency range is 0.25MHz to 100MHz, and the specified frequency accuracy is +/- 20ppm (part per million). This means that the frequency can be adjusted to a precision of 20 parts in one million.

Apart from the adjustable frequency output, the SIT9005ACR1H-XXNL also provides a status output. This is a digital output which is used to indicate the status of the oscillator. It can provide information on the frequency output and other parameters, such as temperature and voltage levels.

 Conclusion

The SIT9005ACR1H-XXNL is a programmable oscillator which can be used for a variety of applications, including communication, navigation and frequency measurement and control systems. Its design makes it suitable for precision applications, as it can provide an adjustable frequency output with an accuracy of +/-20ppm. It also provides a status output which can be used to indicate the status of the oscillator.

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