2510CGLF

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2510CGLF is a clock generator, phase-locked loop (PLL) and frequency synthesizer. It is a highly integrated device that includes various analog front-end blocks and digital signal processing (DSP) blocks. Primarily, it is used to generate a high-performance, low-jitter clock signal with a wide programmable frequency range to suit various interface standards. In addition, the 2510CGLF provides flexible features with PLL and frequency synthesizer to maximize system performance and simplify clock management.

The 2510CGLF is generally intended for use in computing and communication systems, such as desktop and server PCs, high-speed networking systems, and industrial control devices. It can be used to generate a clock signal for Ethernet, SATA, PCIe, USB, HDMI, XAUI, and other high-speed interface standards.

Application Field of 2510CGLF

• Desktop and server PC
• High-speed networking system
• Industrial control devices
• Ethernet, SATA, PCIe, USB, HDMI, XAUI and other high-speed interface standards

Working Principle of 2510CGLF

The 2510CGLF consists of several analog circuits, digital signal processing circuits and other components required for a complete PLL and frequency synthesizer. The analog circuit block includes a phase/frequency detector (PFD) for detecting the difference between the input frequency and its internal clock signal, a voltage-controlled oscillator (VCO) for generating a signal with the desired frequency, a loopfilter for reducing the PFD output jitter, a divider for dividing the VCO signal and providing it to the PFD as the feedback signal, and a PLL control circuitry for setting the PLL parameters. The digital signal processing block consists of an integrated phase detector, digital loop filter and clock synthesizer.

The digital signal processing block is responsible for generating a clock signal with a nominal frequency specified by the user. The phase detector will detect the difference between the input signal frequency and its internal clock signal, and the digital loop filter will filter out the jitter on the phase detector output. Then, the clock synthesizer will generate a clock signal with the desired frequency by utilizing the filtered output of the phase detector.

Finally, the PLL control circuitry will adjust the VCO frequency to match the frequency of the input signal, and the VCO will generate the required clock output signal. The 2510CGLF has the ability to generate a wide range of clock frequencies and can be used for different interface standards. The device also provides excellent jitter performance, which is essential for high performance digital systems.

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