CDC536DB

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Clock/Timing is a critical application field, particularly in the areas of communication and data flow. The CDC536DB is a type of clock chip designed to enable the stable, precise and accurate transmission and synchronization of data signals. This article looks at the application field of the CDC536DB and its working principle.

The CDC536DB is a clock source device for a wide range of communications processors and controllers. It contains three digitally controllable frequency synthesizers and two programmable delay lines that enable analog and digital communication systems to operate effectively. The CDC536DB allows users to create multiple synchronized clocks with different frequencies to be generated without external tuning components.

The CDC536DB is used in applications where multiple clocks are required, such as network routers, digital televisions, and security sensors. It is also suitable for use in devices with high speed data rates, such as servers, storage, and communication links. In addition, the device can be used in applications where low power consumption is a major factor, such as wireless networks, portable electronic devices, and battery-operated applications.

At the heart of the CDC536DB is a phase-locked loop (PLL), a type of frequency synthesizer. The PLL takes a reference signal, such as a crystal oscillator, and then iteratively adjusts a series of interconnected components to generate a signal with a frequency that is directly related to the reference signal. The resulting signal is used to drive the circuits requiring a clock signal, such as the receiver, encoder, decoder, or serial port.

The PLL in the CDC536DB is capable of generating high-accuracy frequencies without the need for external tuning components. This enables the device to maintain a precise clock signal with minimal jitter and low power consumption, even as the external reference signal changes. The PLL contains two adjustable loop digital filters and a third constant loop digital filter, which enables the device to maintain a precise frequency with minimal reference deviation.

The CDC536DB also contains two programmable delay lines that help ensure precise sampling times for digital data signals. These delay lines enable the CDC536DB to produce precisely timed digital signals with a resolution of up to 0.05 microseconds. This leads to improved signal-to-noise ratio, reduced interference, and lower power consumption.

The CDC536DB provides a reliable and accurate clock source for a wide range of communications and data flow applications. Its ability to generate multiple clocks with different frequencies without the need for external tuning components enables the device to offer improved performance and lower power consumption. In addition, the two programmable delay lines enable the CDC536DB to generate precisely timed digital signals with a resolution up to 0.05 microseconds.

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