840S07BYILF

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The 840S07BYILF Clock Generator PLL is a low-cost, small package, high-performance clock generator. It operates up to a range of frequencies from 2 MHz to 250 MHz. It provides a low-jitter output to help minimize system level errors and to maximize system performance. In this article, we will go over the application field and working principle of the 840S07BYILF.

The 840S07BYILF is used in a variety of applications, including clock distribution, clock jitter attenuation, and timing chain generation. It is suitable for use in synchronous data transfer, clock synchronization and frequency synthesis applications. It is commonly used in switches, routers and other embedded systems.

The 840S07BYILF employs a PLL which is a closed loop control system that uses the input frequency to generate an output frequency that is a multiple of the input frequency. It does this by taking the input signal, comparing it to a reference signal, and then using the difference between the two signals to adjust the output frequency to match the reference. The device uses a dual-modulus prescaler, a charge pump and a loop filter to accomplish this.

The dual-modulus prescaler, also referred to as a frequency divider, is used to divide the input frequency into two separate signal streams: one at the reference frequency, and one at the desired output frequency. The charge pump is then used to convert the Phase and Frequency Difference (PFD) between the two signals into a current. This current is then used to control the loop filter. The loop filter, which is typically an RC filter, is then used to convert the current into a voltage. This voltage is then used to adjust the frequency synthesizer which is then used to generate the desired output frequency.

The 840S07BYILF also features an integrated reference buffer and temperature compensation, which helps to ensure accuracy and stability of the output frequency. Additionally, when the device is used in applications requiring PLLs, it provides the necessary jitter tolerance expected from the highest quality clock signals.

In summary, the 840S07BYILF is a low-cost, small package, high-performance clock generator used primarily for clock distribution and jitter attenuation applications. It employs a PLL which is used to take the input and reference frequency and convert it into a voltage which is used to adjust the frequency synthesizer to generate the desired output frequency. The device also includes features such as an integrated reference buffer and temperature compensation for accuracy and stability of the output frequency and jitter tolerance for PLL applications.

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