CDC2510BPWR Integrated Circuits (ICs)

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The CDC2510BPWR is clock generator, PLL and frequency synthesizer. It is suitable for a wide variety of applications, such as clock-dividing, clock- distribution and frequency synthesis. It has three control inputs – ECLK, VCOIN and CLKEN – and one output – CLKOUT. The device is designed to fit into a 5V voltage range and requires decoupling capacitors adjacent to the master oscillator and voltage regulator. It is also compatible with various logic families and is offered in a 66 MQFP package.

CDC2510BPWR Applications Field

The CDC2510BPWR has many applications, such as clock and data recovery for communications systems, clock-control for digital signal-processing, frequency and phase synchronization for communications systems, and clock multi-sync for digital periperhal devices such as computer peripherals. It is also suitable for replacing external clock sources and synchronizing between clock domains in applications where high accuracy is required.

The CDC2510BPWR is also suitable for test and measurement applications. It supplies a stable clock signal for phase detection, automated frequency measurement and phase alignment. It can also be used for loop synchonization, phase noise measurements and frequency divider applications. It is suitable for a variety of other applications such as cable pilot signal and zero-crossing detector.

CDC2510BPWR Working Principle

The CDC2510BPWR acts as an oscillator, a PLL, and a frequency synthesizer. The operating principle is based on the mathematical concept of feedback loops.

The ECLK input is used to control the device’s internal oscillator. This signal is combined with an external signal input, VCOIN, which determines the maximum attainable frequency range. The CLKEN input enables and disables the internal oscillator, so the device can be powered down at will.

The two inputs to the device are then combined in a feedback loop. When the output signal meets the desired frequency, the feedback loop is closed; thus ensuring that the output frequency stays within desired limits. If the input frequency changes, the feedback loop responds accordingly and the output frequency is adjusted accordingly. The CLKOUT output is the resulting denominated clock signal.

The device also incorporates a PLL to further refine the output signal. The PLL takes the input frequencies from the two inputs and feeds them into a circuit which produces a higher frequency than the input. This higher frequency is used as the reference for the feedback loop, allowing for greater accuracy and stability of the output signal.

The CDC2510BPWR also features a frequency synthesizer. This feature allows for quick and accurate selection of the desired output frequency range using the three control inputs. Once the desired frequency range is selected, the device is put into operation and the output frequency is synthesized accordingly.

The CDC2510BPWR is an extremely versatile clock generator, PLL and frequency synthesizer. It is suitable for applications which require high accuracy and stability, and its PLL ensures that the output signal meets the desired frequency range. Its flexibility also makes it suitable for a wide range of applications.

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