PL123-09SC

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The PL123-09SC is a sophisticated clock generator and frequency synthesizer that enables accurate and reliable clock speed and timing in complex digital circuits. It integrates a closed loop, phase-locked loop (PLL) that provides an output clock with a maximum frequency of up to 800MHz.

It is a compact clock generator and frequency synthesizer in a small form factor of 11.3mm x 15mm and pin count of 39. It incorporates an integrated voltage control oscillator (VCO) and a wide range of frequency dividers which allow it to be used to generate a wide variety of clocks. It also includes various advanced signal conditioning techniques that provides superior jitter performance and tolerance to environmental disturbances. It can be used primarily in consumer electronics such as televisions, digital cameras and mobile phones, as well as in networking and communication applications.

Application Field of PL123-09SC

The PL123-09SC is mainly used for generating clocks for digital systems. It is suitable for general-purpose system timing applications, including high-speed timing control, channel synchronization, control signals, and clock signal division and division in digital circuits. It also enables high-speed sub-sampling in digital signal processing (DSP) systems.

It can generate accurate and reliable clock signals with phase-locked loop (PLL) frequency synthesis and can generate numerous frequencies and phase-spans that are best suited for the digital application they are intended. It is also useful in a wide variety of applications ranging from video game consoles to automotive multimedia systems. Its ultra-low jitter performance, along with its wide frequency tuning range, makes it the ideal choice for mission-critical digital timing applications.

Working Principle of PL123-09SC

The PL123-09SC is a sophisticated clock generator and frequency synthesizer that utilizes a closed-loop, Phase-Locked Loop (PLL) to provide an output clock with a maximum frequency of up to 800MHz. The core of the PLL consists of a voltage controlled oscillator (VCO) that is used to generate the output frequency. The VCO frequency is tuned by varying the voltage applied to the VCO control pin. The VCO is connected to a phase frequency detector (PFD) which continuously monitors the output frequency of the VCO and compares it to a reference frequency to achieve a desired frequency ratio. The PFD then sends a signal back to the VCO to adjust its frequency volatge to keep the desired frequency ratio.

The PL123-09SC also contains a low-noise fractional-N frequency divider that can divide the output frequency by a non-integer factor. The frequency divider is used to fine-tune the output frequency and can thereby be used to optimize the jitter performance.

The PL123-09SC also features advanced signal conditioning techniques, such as integrated spread spectrum signal generation, which provides superior jitter performance and tolerance to environmental disturbances. Additionally, the PLL design allows for a wide range of frequencies, divided by a wide range of integer and non-integer ratios. The PLL also incorporates an integrated charge pump and a low-noise on-chip band gap reference oscillator that provides a highly stable and accurate reference clock.

In additionally the PL123-09SC provides superior jitter tolerance and noise performance due to the integrated signal conditioning circuitry that is optimized for noise reduction. The signal conditioning reduces jitter noise, adapts the output swing and adds a low-frequency dithering signal to reduce capture noise. These features provide excellent jitter and noise performance even in high-noise environments.

Overall, the PL123-09SC is an excellent choice for digital system timing applications, providing accurate and reliable clock speed and timing in complex digital circuits. Its wide range of frequencies and wide tunable frequency ratios make it the ideal choice for mission-critical digital timing applications.

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