SI5351A-B02247-GT

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SI5351A-B02247-GT application field and working principle

The SI5351A-B02247-GT is a Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers general-purpose 3rd-order Integer-N synthesizer. This high-performance, low jitter device offers a wide output frequency range of 8 kHz to 200 MHz, adjustable duty cycle of 45-55% and a programmable output power up to +12 dBm, making it suitable for a wide range of applications such as radio, TV and satellite equipment, video/image processing, avionic and marine systems. It is programmable over a wide range of frequencies, from 8 kHz to 200 MHz, enabling it to be used in various applications with different needs.

The clock generator works on the principle of phase-locked loops (PLLs), which takes an incoming signal and “locks in” or synchronizes it with a reference signal, generating an output accordingly. A PLL consists of three main components namely a phase detector, a loop filter and a voltage-controlled oscillator (VCO). In the case of the SI5351A-B02247-GT phase-locked loop, when an external reference clock is applied, the phase detector compares the phase of the incoming clock with the phase of the VCO. The phase difference is then filtered by the loop filter to produce a control voltage and applied to the VCO, keeping its frequency and phase in sync with the incoming clock.

The SI5351A-B02247-GT can also be used as a frequency multiplier or divider. It can generate a clock with a desired frequency that is a multiple or divisor of the external reference clock. For example, if a reference clock of 100 MHz is applied, the clock generator can be programmed to generate a 400 MHz clock or a 50 MHz clock, depending on the requirement.

In conclusion, the SI5351A-B02247-GT Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers is a highly integrated high-performance clock generator with low jitter, wide output frequency range, adjustable duty cycle and programmable output power, making it a suitable clock generator for a variety of applications such as radio, TV, satellite equipment, video/image processing, avionic and marine systems.

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