NB2304AI1HDG

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The NB2304AI1HDG is a kind of clock/timing device. It is designed as a 3 output Clock Generator/Voltage Controlled Oscillator (VCO) with complex frequency synthesis capabilities. This device combines several features, such as an integrated Phase Locked Loop (PLL), dual voltage controlled Oscillator (VCO), maximal duty cycle of 97%, total output duty cycle of 98%, differential outputs, and an integrated charge pump. It is designed with low power consumption and low cost in mind.

The NB2304AI1HDG is ideal for applications in telecommunications, datacom, video, music, video over IP, and industrial electronics where clock and timing accuracy is important. Its low power consumption and high accuracy make it perfect for a wide range of cost-sensitive networking applications, such as:

• Optical transceivers
• Gigabit Ethernet
• 10-Gigabit Ethernet
• SONET/SDH transport applications
• CWDM/DWDM transport applications
• Cable Modem
• Broadband routers/multiplexers
• Audio/Video over IP applications
• Satellite modems
• Wireless Base Stations

The NB2304AI1HDG employs a complex PLL/VCO based clock and timing generation structure that significantly simplifies the frequency synthesis and reduces the required component count. The integrated PLL is particularly useful for applications requiring few external components or where fast time to lock is important. It uses its VCOs to generate frequencies ranging from 1.8GHz to 2.7GHz and its digitally programmable dividers/multipliers to generate a wide range of phase-locked outputs.

The NB2304AI1HDG\'s PLL includes a phase detector, an adaptive loop filter, and an active loop correction circuit that helps guarantee an accurate and stable phase lock. The PLL\'s adjustable loop bandwidth allows the user to fine tune the response and the stability of the device\'s outputs. The device\'s outputs are also widely adjustable in terms of duty cycle, skewing, and jitter, making it more versatile and easier to use.

The NB2304AI1HDG\'s active loop correction circuit ensures that the PLL can quickly stabilize the generated signals. This helps reduce overall power consumption, as the PLL does not need to continually adjust to compensate for deviation. The device also incorporates a Charge Pump circuit which eliminates the need for an external charge pump, further reducing component count and overall cost.

In summary, the NB2304AI1HDG is a highly advanced and cost-effective clock/timing device that provides excellent performance and features. Its low power consumption and integrated features make it suitable for a wide range of applications, from datacom to video over IP. Its integrated PLL and programmable dividers/multipliers provide a wide range of frequencies and its adjustable loop bandwidth ensures accurate and stable phase lock. With its minimized component count and superior performance, the NB2304AI1HDG is ideal for cost-sensitive, high-performance applications.

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