SI5338C-B01917-GM

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

Clock Generators, also known as Programmable Clock Generators, Frequency Synthesizers, or PLL devices (phase-locked loops) are ubiquitous in modern digital technology. They are powerful, versatile, and make it much easier to design digital systems with a wide range of frequency requirements. The SI5338C-B01917-GM is an example of such devices. Here, we discuss its application field and working principles.

Application Field of the SI5338C-B01917-GM

The SI5338C-B01917-GM is a low-power, high-performance, voltage-controlled oscillator (VCO) that is used in a variety of applications. It is designed to provide frequency control and synchronization solutions to embedded applications. It has a wide range of frequency support, with the ability to generate frequencies up to 950 MHz, and an outstanding jitter performance at lower frequencies, making it extremely suitable for use in high-performance, low-voltage systems.

This device is particularly suitable for applications that require synchronization of multiple components, such as IoT solutions, which may involve sensors, processors, and other peripherals. It can also be used for networking and communications applications, such as routers, where it can provide low-jitter reference clocks for timing and synchronization, and Gigabit Ethernet solutions, where it can provide synchronization and jitter-clean clock sources.

Working Principles of SI533C-B01917-GM

The SI5338C-B01917-GM is based on a Voltage Controlled Oscillator (VCO) core with a set of digitally controllable dividers. The heart of the device is an analog VCO core, which is used to generate a wide range of frequencies (from 800 MHz to 950 MHz). It is then divided down to the desired output frequency, using the digitally programmable dividers. This allows for precise control of the output frequency, and also for the other settings, such as the phase and output state.

The device is also integrated with a buffered reference clock input, allowing for the integration of external low-noise references, such as external crystal oscillators, or the input clock from an external system. The reference clock is then multiplied and divided to generate the desired output. This allows for the precise and low-jitter generation of multiple clocks with different frequencies and phases, providing precise synchronization of all the devices in the system.

The device also supports a special configuration mode, called “jitter attenuation mode”. This allows for an additional level of jitter attenuation and is particularly useful in high-performance or low-voltage applications. In this mode, the device continuously monitors the incoming reference clock and automatically adjusts the output frequency, phase and jitter parameters, without the need for any manual intervention. This allows the SI5338C-B01917-GM to guarantee precise timing in any environment.

Conclusion

The SI5338C-B01917-GM is an example of a low-power, high-performance voltage-controlled oscillator that is suitable for a wide range of applications, from networking and IoT to embedded applications. Its versatileworking principles and configurability allow for precise frequency control and synchronization at all levels, allowing for precise timing and synchronization of multiple devices in the system.

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