SI5335D-B02139-GM

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Clock Generators, PLLs, and frequency synthesizers are essential for different digital processing tasks in order to synchronize and transfer the required clock signals. The SI5335D-B02139-GM clock generator is a unique model that provides greater levels of performance and flexibility. Understanding its application field and working principle will help readers to properly utilize this clock generator.

Application Field of the SI5335D-B02139-GM Clock Generator

The SI5335D-B02139-GM clock generator is an ideal device that has been designed to meet the needs of high-performance communication and computing systems. This device is perfect for applications that require clocking solutions with low jitter. The clock generator is most suitable for those applications where low noise and low power consumption is desired. It can be used in multiple digital systems such as Routers, Switches, Wireless LAN, Network Processing Units, and Servers.

The key features of this model include high-frequency input clock signals (<200MHz) as well as adjustable or fixed crystal oscillator inputs. It generates between 3 and 10 output clocks from the input clock, with low-phase jitter below 180ps RMS with output frequencies ranging from 2.5MHz to 200MHz.

Working Principle of the SI5335D-B02139-GM Clock Generator

The SI5335D-B02139-GM clock generator is based on the PLL (Phase-Locked Loop) principle. The main components in this device are an input source, a frequency filter, a loop filter, an Voltage-Controlled Oscillator (VCO), and a divider. The input signal is first applied to a frequency filter that filters the signal and passes it on to the loop filter. The loop filter controls the amount of signal that passes onto the VCO. The VCO then generates a signal which is fed back to the loop filter. This feedback signal is processed with the filter and the signal from the input source and the VCO is then compared. Any difference in these signals is then corrected with the help of the phase comparator.

When the generated signal reaches the phase and frequency of the input signal, phase lock is established and the output frequency is adjusted accordingly. This output signal is then divided down to the required output frequencies by the divider. The divider is adjusted according to the frequency of the input signal. The output signal from the divider is then sent to the PECL or LVPECL buffers and through the output pins.

Conclusion

The SI5335D-B02139-GM clock generator is perfect for high speed communication and computing applications where minimal noise and low power consumption is desired. The device works on the PLL (Phase-Locked Loop) principle where the input signal is filtered, adjusted, and compared with the generated signal. The output frequencies can then be divided down to the desired frequency. With its excellent performance and flexibility, this clock generator can be a great addition to any digital system.

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