NB3N502DR2G

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NB3N502DR2G Application Field and Working Principle

The NB3N502DR2G is a versatile clock generator, containing a programmable PLL chip, allowing fast and reliable clock signal outputs. It is a 7-output low-jitter clock generator designed for data communications and networking applications.

The NB3N502DR2G can provide Clock-to-Clock and Clock-to-Data delay outputs in both single-ended and differential forms. Therefore, it can provide accurate timing skew between multiple line signals. This makes it well suited for applications requiring high precision clock signal synchronisation.

The NB3N502DR2G utilizes its dual-phase-locked loops (PLLs) to synthesize clock frequency outputs from its input reference clock inputs. It can generate clock frequency outputs from a wide range of frequency multipliers and dividers within its PLL parameters. The frequencies of the generated clock signals are determined by the settings of the programmable PLL parameters via external resistors and capacitors.

The PLL within the NB3N502DR2G consists of two separate PLL circuits, each providing its own clock frequency output. Each PLL is composed of a phase-frequency detector, a programmable frequency divider, a low-pass filter, and an oscillator. The phase-frequency detector senses the phase difference between its two input signals, and adjusts the frequency divider accordingly. The filter limits the amount of high-frequency noise detected by the phase-frequency detector, and the oscillator generates the output clock signals.

The NB3N502DR2G provides a range of applications, from networking to data communications. It can be used to generate outputs from a wide range of clocks and to synthesize complex clock outputs, with precise timing skew. The two PLLs provide clock signal outputs with fast, stable, and reliable timing.

In summary, the NB3N502DR2G is a low-jitter clock generator designed for data communications and networking applications. The dual-phase-locked loops provide clock frequency outputs from a wide range of frequency multipliers and dividers. The device provides clock-to-clock and clock-to-data delay outputs in both single-ended and differential forms, allowing precise timing skew between multiple line signals.

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