85211BMI-03LNT

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The 85211BMI-03LNT is a member of clock buffers and drivers from Texas Instruments. Its application field and working principle will be discussed in this article.

Applications

The 85211BMI-03LNT is designed for use in a wide variety of clock coordination applications. It is suitable for use in broadcast television, home audio, and other electronic systems where multiple clock signals need to be synchronized. The device is designed to process a wide range of frequencies from 10 kHz to 1.5 GHz and can provide an adjustable delay of up to 21ns. The 85211BMI-03LNT can be used to increase signal-to-noise ratio and reduce clock jitter, while maintaining a high level of signal rise and fall time accuracy.

Features and Benefits

The 85211BMI-03LNT offers several features and benefits which make it an appealing choice for clock coordination applications. The device has dual output voltage levels of 1.5V and 1.8V, which enable the design of systems that use multiple power supply voltages. The device also features an adjustable delay circuit, allowing for precise control of signal delay. Other key features of the device include the choice of either SMA or N-Type RF connectors, a high output current of 150 mA, and a wide range of frequencies from 10 kHz to 1.5 GHz.

Working Principle

The 85211BMI-03LNT is designed to use a differential loop architecture to achieve low-jitter clock performance. The device operates in two modes: self-calibration mode or external synchronization mode. When operating in self-calibration mode, the device self-calibrates its delay line to minimize jitter. When operating in external synchronization mode, the device synchronizes to an external reference clock, eliminating jitter and skew issues caused by frequency drifts.

In addition, the device utilizes a variable frequency synthesis technique to create a low-jitter clock signal. This technique minimizes the clock jitter by regularly changing the output frequency. The device also has a programmable gain option, allowing for greater control over the output frequency and jitter level.

Conclusion

The 85211BMI-03LNT is a versatile clock synchronization device with a wide range of features that make it an ideal choice for a variety of clock coordination applications. The device features both self-calibration and external synchronization modes, and utilizes variable frequency synthesis techniques to minimize clock jitter. In addition, the device has dual output voltages, a high output current of 150 mA, and a wide range of frequencies from 10 kHz to 1.5 GHz. It is clear that the 85211BMI-03LNT is an excellent choice for clock coordination applications.

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