CDCVF2505PWR

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The CDCVF2505PWR is a clock generator, phase-locked loop (PLL), and frequency synthesizer that has many great qualities and can be used in a variety of applications. The CDCVF2505PWR helps in creating functionally feasible data communication connections that require precise timing between sender and receiver. This device also helps resolve problems in mobile/RF applications that involve timing ambiguities.

Generally, clock sources are necessary in almost all digital systems. In the case of high data rate systems, such as Ethernet, microprocessor based designs, a low jitter AND high frequency clock source is essential. The CDCVF2505PWR fulfills this requirement.

This device is used in a great many applications, most notably in the field of RF technology, in which precise timing is a must. This incredibly versatile product is specifically designed to give the user an unprecedented level of control. With its three primary levers, the Speed Control, Frequency Output, and Selectable Phase, the CDCVF2505PWR is able to provide the user with unprecedented control over the desired output.

The CDCVF2505PWR is composed of five major components, each contributing to the overall function of the device. First is a phase frequency detector (PFD), which will be explained in more detail below. This device tells the PLL how much to adjust the voltage controlled oscillator (VCO) frequency. Next is the loop filter, which works to keep the VCO frequency from drifting by actively blocking any noise or altering voltages from entering the system. The third element of the clock generator/PLL combination is the VCO, which outputs the frequency that has been set by the combination of the other two components, the PFD and the loop filter. Fourth is the frequency divider, which is responsible for outputting the required combinations of signals corresponding to the frequencies that have been programed into the device. The fifth and final component is the clock driver, which is actually not part of the PLL but is included in the design of the CDCVF2505PWR to simply drive the output frequency out of the device.

The internal workings of the PLL are simple, but often complex in design. The PFD, loop filter, and VCO all work together to provide stability to the output frequency. The PFD generates a voltage based on the difference between the input and output frequencies, which is then passed through the loop filter, into the VCO. This information is processed by the device, resulting in the VCO oscillating at the desired frequency. This loop then continues to eliminate any variations in the output frequency in order to maintain the desired and user specified output frequency.

The CDCVF2505PWR contains many features and enhancements that make it an excellent choice for frequency synthesis. The device’s VCO output can be frequency divider from 1-15 and is also provided with an LVPECL/LVDS output frequency. The device’s frequency output can be user programmable via digital interface and is also provided with an adjustable phase control of 0 to 50 degrees.

The wide range of adjustable parameters make the CDCVF2505PWR a very versatile device and the perfect choice for many applications. Additionally, the device is provided with a spread spectrum option and up to 3$\mu$s maximum output pulse jitter. These features make the CDCVF2505PWR an incredibly useful device for many different applications and tasks.

To conclude, the CDCVF2505PWR is a powerful device that has many benefits and great features. It is a highly powerful and reliable clock generator, PLL, and frequency synthesizer that is designed for use in high data rate systems, such as Ethernet and microprocessor based designs. Its adjustable parameters, selectable phase, and low jitter output make this device a smart choice for many different tasks, from RF technology to consumer electronics.

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