SIT9002AI-38H18DD

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Programmable oscillators, such as the SIT9002AI-38H18DD, are integrated circuits that can be programmed to generate precise, periodic electrical signals of different frequencies. These devices are used in applications ranging from clock generation to precise timing control. In this article, we will discuss the application field and working principle of the SIT9002AI-38H18DD.

The SIT9002AI-38H18DD is a versatile programmable oscillator that is able to cover a wide range of frequency requirements. This oscillator is suitable for use in a variety of fields, including clock generation for digital systems, precise timing of radio frequency (RF) systems, and signal stabilization for analog applications. In addition, it can be used to generate both sine wave and square wave signals.

The SIT9002AI-38H18DD has an operating frequency range of 1Hz to 100MHz. It is programmed via an external SPI signal and can be programmed to generate precise and accurate signals. This oscillator can be powered by either a 3 or 5 volt DC supply and has an accuracy of ± 75ppm.

The SIT9002AI-38H18DD utilizes a state-of-the-art design and is extremely reliable in operation. Its immunity to electrical noise, high temperature stability, and long-term accuracy make it ideal for use in demanding applications. In addition, this oscillator also has a low power consumption, making it ideal for battery-powered and portable applications.

The working principle of the SIT9002AI-38H18DD is based on an analog phase-locked loop circuit. This is a closed-loop feedback system that maintains a constant phase relationship between two signals. In the case of the SIT9002AI-38H18DD, one signal is an adjustable, periodic square wave generated by the internal voltage controlled oscillator (VCO). The second signal is a reference clock sourced from an external source.

When the reference clock signal matches the frequency of the VCO, the output of the programmable oscillator is a stable, periodic signal at the same frequency. This is achieved by the use of a phase detector circuit, which amplifies the difference between the outgoing signal and the reference signal and then feeds it back to the VCO.

The advantage of using a programmable oscillator is that it can be programmed to generate any desired frequency within the specified frequency range. This provides the flexibility to use the oscillator in different applications and allows the generation of accurate and precise signals. The SIT9002AI-38H18DD also has an anti-harmonic feature, which ensures that the output signal is free from any unwanted secondary frequencies or harmonics.

In conclusion, the SIT9002AI-38H18DD is a versatile, reliable, and stable programmable oscillator. It can be used in a variety of applications, from clock generation to precise timing control. Its analog phase-locked loop circuit and anti-harmonic feature ensure that the output signal is accurate and free from secondary frequencies or harmonics. All of these features make the SIT9002AI-38H18DD an ideal choice for applications requiring precise and accurate signals.

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