SI5338C-B07499-GMR

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The SI5338C-B07499-GMR is a clock generator which can generate up to 16 output clocks from a single input reference clock or a single crystal resonator. It can perform many kinds of precision clock functions, including frequency ratio adjustments from 0 to 50%.

The SI5338C-B07499-GMR is an ideal choice for applications that require large amounts of either clock sources or clock signals with different frequencies and / or digital phase-shifting with excellent jitter performance. It can also be used in applications that require a fractional-N or a spread-spectrum clock modeling for EMI reduction.

The main applications of the SI5338C-B07499-GMR are in broadcast video and communications systems, as well as data storage and streaming applications. This clock generator is also suitable for use in clocking of central office switches, base stations, and integrated circuit testing, among other applications.

In broadcast video and communications systems, the SI5338C-B07499-GMR clock generator can be used to divide a reference clock source into multiple lower frequency clocks. These clock outputs are then used to drive various components of the communications or video systems, such as up and down converters, audio processing and video processing circuits.

The SI5338C-B07499-GMR also has the capability to generate different frequency signals with phase-shifts relative to one another. This allows for accurate clock distribution with minimal interaction and crosstalk between signals.

The working principle of the SI5338C-B07499-GMR clock generator is based on the use of PLL (Phase Locked Loop) technology. A PLL is a closed loop system that is used to lock a reference oscillator frequency to an external input frequency. The PLL system operates as a multiplier, frequency synthesizer, and frequency multiplier circuit combined together. The SI5338C-B07499-GMR integrates both a phase detector and a voltage-controlled oscillator into a single chip. The phase detector detects and corrects the phase difference between the reference and the external input. The voltage-controlled oscillator then adjusts the frequency of the output clock sources by controlling the frequency of the reference oscillator.

The SI5338C-B07499-GMR clock generator can also be used for jitter reduction, since it has adjustable PLL bandwidths that allow for improved jitter performance. It has a programmable PLL bandwidth and oscillator jitter that can be adjusted for minimal jitter and noise performance. The programmable PLL bandwidth ensures that the oscillator jitter is minimized, and output clock signals remain close to their nominal frequency.

The SI5338C-B07499-GMR is an efficient and reliable clock generator, offering excellent noise rejection and a wide range of features to fulfill a variety of applications. Its adjustable frequency dividers make it easy to apply in a wide range of applications, while its adjustable PLL bandwidths ensure optimal performance in applications with high noise requirements.

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