NB2308AI1DTG

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The NB2308AI1DTG is a clock generator designed to meet the high speed timing requirements for many industrial applications. It is a low cost and power efficient solution for providing cost of frequency synthesis, phase-lock loop (PLL) functions and frequency modulation.

The NB2308AI1DTG is designed for use in embedded applications such as intelligent industrial systems and communication systems, especially in applications where low phase noise and power consumption is a critical factor. It utilizes an advanced CMOS process witch allows it to produce a wide range of output frequencies while preserving excellent phase jitter and power consumption performance.

Application Field

The NB2308AI1DTG is well suited for many multi-frequency system applications, including communications applications such as TDD/FDD base stations, GSM base stations, LTE base stations and WLAN applications, optical network interfaces, mobile backhaul applications, and microwave radars.

It is also suited for applications in central office router Switching Fabric, access systems and In-Flight Entertainment (IFE) systems, as well as Industrial and Military Grade Timing. In addition, this series of Clock Generators is equipped with high-speed outputs enabling large scale integration, reduced system cost and improved system performance.

Working Principle

The NB2308AI1DTG clock generator is a PLL synthesizer employing a wide-range of input reference frequencies to generate multiple output frequencies ranging from 1.2GHz to 3GHz with ultra-low phase noise and excellent power efficiency. It utilizes a novel VCXO technology for its signal generation and a variety of other features to provide its user with the most efficient and reliable clock solution.

It operates from a single DC supply with a wide operating range (2.5V to 3.3V) for very power-efficient operation and supports a wide range of VCO frequencies from 1.2GHz to 3.0GHz. The clock generator is also able to achieve 0.75dB of jitter over the operating temperature range from -40°C to +85°C while consuming lower than 1mW of power.

The NB2308AI1DTG is equipped with a variety of features; including decimated dividers, which can provide a wide range of low frequency outputs and adjustable output mismatches, which allow fine tuning or voltage control of the output frequency in order to provide the user with a tailored solution. A lock detect on each output and a reference selection scheme allow the user to optimize the performance while monitoring the output frequency. Furthermore, the built in reference oscillator, Crystal or LVDS input, and DPLL architecture provide a wide range of functionality for any application..

Conclusion

The NB2308AI1DTG is an advanced, cost-effective solution for low power and high frequency applications, with a wide range of features providing a reliable and precise clock signal for any system. Its wide range of operating conditions and configurable options provide designers of high-performance system with an optimal clock solution for their application.

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