849N202CKI-009LF

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Clock generators, PLLs, and frequency synthesizers are a common feature in many modern electronic designs. The 849N202CKI-009LF is a family of clock generators and frequency synthesizers that has been designed to provide high accuracy and reliable operation in a wide variety of applications. This article provides a brief overview of the 849N202CKI-009LF, its application field, and its working principle.

Applications

The 849N202CKI-009LF has a wide range of application areas. It is an ideal choice for providing precision timing for radio communications and industrial automation. It can be used for generating high-precision timing signals for high frequency transceivers, phased array antennas, spread spectrum systems, and other wireless systems. Additionally, the frequency synthesizer is suitable for use in high speed data and clock recovery applications, such as fiber optics and coaxial systems. The 849N202CKI-009LF is commonly used in telecommunications, avionics, automotive, and medical applications where it is important to maintain precise timing synchronization.

Working Principle

The core of the 849N202CKI-009LF is a voltage-controlled phase/frequency synthesizer that utilizes a phase locked loop (PLL) to generate a low jitter clock signal. The PLL includes a phase-frequency detector that measures the frequencies of the input signal and a voltage-controlled oscillator that produces the output. The PLL also includes a low pass filter, which filters out high frequency noise and jitter. The 849N202CKI-009LF also includes frequency multiplication circuitry, which allows the output frequency to be multiplied without sacrificing accuracy.

The 849N202CKI-009LF can be programmed via a simple serial port or through a USB or IEEE 1394 interface. The programming allows the user to select the desired frequency band, output amplitude, and output duty cycle. Additionally, the 849N202CKI-009LF can be synchronized with an external clock source by using an external timing reference, such as a quartz crystal. This allows the synthesizer to provide the highest accuracy and jitter performance.

Conclusion

The 849N202CKI-009LF is a high performance family of clock generators and frequency synthesizers. It is designed to provide precision timing for radio communications and industrial automation applications. The synthesizer uses a phase locked loop and frequency multipliers for accurate and low jitter operation. The 849N202CKI-009LF can be programmed using a simple serial port or USB/IEEE 1394 interfaces, and can be synchronized with an external reference source to provide even higher accuracy. This makes it an ideal choice for many applications requiring high precision clock signals.

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