8N4QV01EG-0105CDI

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The 8N4QV01EG-0105CDI is a programmable clock generator which can be used in applications such as communications, computing, and test and instrumentation. It is designed to provide frequencies from 25MHz to 200MHz, with phase noise and spurious performance that meets or exceeds requirements of multiple clock families across the spectrum. In addition, it features flexible options such as a wide variety of VCOs, frequency dividers, buffers and PLLs, allowing customers to customise their design and get the best performance for their application.

The 8N4QV01EG-0105CDI uses a set of programmable registers to set internal parameters and output clocks. Internal control logic and dedicated memory stores the desired parameters and configures the device, allowing the clock output to be configured according to the user’s requirements. These parameters include parameters for the PLL, such as the loop bandwidth and phase noise, and parameters for the clock outputs, such as drive strength, skew, and jitter.

The main working principle of the 8N4QV01EG-0105CDI is to use a phase-locked loop (PLL) to generate stable and accurate clocking signals. A PLL consists of two main components – a voltage-controlled oscillator (VCO) and a frequency divider. The oscillator is tuned to the desired frequency, and the frequency divider divides the oscillator frequency, creating a divided frequency signal (DFS) whose frequency is an exact multiple of the input oscillator’s frequency. This DFS is then compared to a reference signal whose frequency is also an exact multiple of the oscillator’s frequency, but whose phase is slightly different due to the difference in input frequencies.

The PLL attempts to drive the DFS and the reference signal into phase alignment by adjusting the oscillator frequency and the frequency divider settings. The oscillator behaves like a tuning-fork, so when the desired phase difference is achieved, the oscillator frequency and output dividers are locked-in and the PLL changes the device output frequency only very slightly in response to the changing input parameters.

The 8N4QV01EG-0105CDI is a versatile and advanced programmable clock generator, capable of providing accurate and reliable clock signals for a variety of applications. Its advanced features provide customers with the ability to configure their clock design and achieve optimal performance for their application.

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