SIT8008BCB3-28S

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Programmable oscillators, sometimes also referred to as frequency synthesizers, are electromechanical devices that generate an output frequency determined by its input parameters. The SIT8008BCB3-28S is a versatile programmable oscillator from manufacturer SITI that offers a wide range of features in a compact package. This article will discuss the application field and working principle of the SIT8008BCB3-28S oscillator.

Application Fields
The SIT8008BCB3-28S oscillator’s high-speed, low-jitter internal time base makes it suitable for a variety of applications. It is most commonly used in portable and embedded devices such as smartphones, tablets, and IoT devices. Its compact size and low power consumption make it an attractive option for these kinds of devices. Additionally, its high accuracy and stability make it well suited for automotive, medical, and industrial control applications.

Working Principle
The SIT8008BCB3-28S oscillator is designed to operate with an internal regulator, which ensures a high level of accuracy of its signal. This oscillator is also designed to operate in a wide temperature range of -40°C to +85°C. The output frequency is set via a serial Input/Output (I/O) available in SPI or I2C formats, and the frequency resolution is 0.0625 Hz.

The oscillator operates with a PLL (Phase Locked Loop) loop circuit which provides frequency stability and increased accuracy. The internal phase detector, frequency synthesizer, and voltage controlled oscillator (VCO) then convert the reference signal into a predictable, stable output at the desired frequency. This output is then fed to a buffer amplifier, which cleans up any noise present in the signal and amplifies the output for use in a variety of applications.

In addition to its standard features, the SIT8008BCB3-28S oscillator also has integrated temperature compensated crystal oscillator (TCXO) and voltage controlled crystal oscillator (VCXO) circuitry to enhance accuracy and stability, as well as Spread-Spectrum technology to reduce EMI (electromagnetic interference).

Conclusion
The SIT8008BCB3-28S is a versatile programmable oscillator designed for a variety of applications requiring reliable and stable frequency outputs. Its internal regulation and PLL circuit, as well as its temperature compensation and integrated Spread Spectrum technology, ensure a highly accurate and stable signal. Combined with its compact size and low power consumption, the SIT8008BCB3-28S is a great choice for portable and embedded devices, automotive, medical, and industrial control applications.

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