8T49N004A-013NLGI8

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers: 8T49N004A-013NLGI8 Application and Working Principle

The 8T49N004A-013NLGI8 is a silicon based clock generator/frequency synthesizer chip from IDT (Integrated Device Technology). The chip is capable of generating stable, precise clock and timing signals from a crystal controlled reference frequency. This integrated solution saves board space, reduces cost and complexity, and increases reliability compared to discrete clock generator implementations.

The 8T49N004A-013NLGI8 is designed to be used in many types of applications ranging from radio communication systems to data acquisition systems. In these applications, it is used to synthesize clock and timing signals with frequency ranges spanning from a few kilohertz up to a few megatrz. It is also capable of serving as a replacement for mechanical timing components such as quartz crystals, VCXOes, TCXOes, and SAW filters in these types of devices.

The 8T49N004A-013NLGI8 contains a phase locked loop (PLL) which is the heart of the device. It is made up of several blocks that work together to generate a stable output signal with a tunable frequency. These blocks include a reference frequency input, a phase detector, a charge pump, a series of voltage controlled oscillators (VCOs) and dividers, a loop filter, and reset logic. The reference frequency input is used to provide an accurate clock signal to the phase detector. The phase detector then compares this reference signal with the output clock signal and adjusts the frequency of the VCO to correct any detected errors. The output of the phase detector drives the charge pump, which then adjusts the voltage level of the output clock signal. The voltage controlled oscillators (VCOs) and dividers are responsible for generating the output signal with a frequency that is set by the applied voltage. The dividers are used to divide down the output frequency to the desired value and the loop filter is responsible for dampening any VCO oscillation and allowing for a steadier output signal.

Overall, the 8T49N004A-013NLGI8 is a high-performance, versatile clock generator and frequency synthesizer chip from IDT. It is a great solution for applications that require precise, reliable clock and timing signals with a tunable frequency range. The integrated solution makes it easy to quickly and efficiently generate clock signals with a wide variety of potential applications. Its high performance and low power consumption make it an excellent choice for any clock generator or frequency synthesizer application.

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