SL28SRC02BZCT

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The SL28SRC02BZCT is one of the key components of the clock/timing domain. It serves as a clock generator, phase-locked loop (PLL) or frequency synthesizer and is one of the most widely used components in the clock/timing domain. This article will provide an overview of the SL28SRC02BZCT and its various application fields, as well as a detailed look at its working principle.

Overview

The SL28SRC02BZCT is a high-performance synthesizer using a patented multi-frequency architecture. This device is capable of generating frequencies from 10 kHz to 2.2 GHz, which makes it suitable for a variety of applications, such as watch/clock generation, wireless communications, wired communications, audio and video synchronization, as well as PLLs for precision timing and clock jitter attenuation. Its features include low-jitter output, low power consumption, and small footprint, making it ideal for use in a wide variety of timing applications.

The SL28SRC02BZCT uses a multi-frequency architecture that is based on a combination of mutual-shifted frequency dividers and a low-jitter external-controlled digital oscillator. It has been designed specifically to ensure that the output frequency is compliant with standards such as the IEEE 1588v2 and PCIe, enabling the use of the SL28SRC02BZCT in both wired and wireless applications. The device also provides an integrated phase-frequency detector, as well as an on-chip voltage-controlled oscillator (VCO).

Application Fields

The SL28SRC02BZCT is used in a variety of clock/timing application fields, including:

• Wireless Communications – the SL28SRC02BZCT can be used as a clock generator for wireless applications such as cellular networks, WLAN and WiMAX.
• Wired Communications – the device can be used for communication applications such as Residential ETHERnet, Fiber To The Home (FTTH), and passive optical network (PON).
• Automotive – the SL28SRC02BZCT is often used as a clock generator in automotive applications, such as automotive Ethernet and multimedia video streaming.
• Consumer Electronics – the device can be used in applications such as digital televisions, DVD players, and Blu-ray players.
• Industrial Applications – the device is used in a variety of industrial applications, such as industrial automation and process control.

Working Principle

The SL28SRC02BZCT works by combining a mutual-shifted frequency divider with an external-controlled digital oscillator. The frequency divider performs division and output division ratios can be changed by programming the device’s multi-frequency architecture. This allows the device to generate frequencies up to 2.2 GHz.

Additionally, the device is designed with a phase-frequency detector, which is used to compare the phase and frequency of the signal between the VCO and the reference clock input. The result of this comparison is then fed back to the voltage-controlled oscillator, which adjusts its frequency or phase until it matches that of the reference clock. This feedback loop allows the device to generate low-jitter output signals.

Finally, the device also features an integrated phase-locked loop (PLL) which is used to improve the jitter performance and phase noise of the output signal. The PLL ensures that the output frequency remains locked to the reference clock input, even in the presence of large input frequency variations.

Conclusion

The SL28SRC02BZCT is an advanced clock/timing component that is capable of generating frequencies up to 2.2 GHz. It can be used as a clock generator, PLL or frequency synthesizer in a variety of applications, such as wireless communications, wired communications, automotive, consumer electronics, and industrial applications. Its features include low-jitter output signals, low power consumption, and small footprint. The device works by combining a mutual-shifted frequency divider and an external-controlled digital oscillator, as well as an integrated phase-locked loop (PLL).

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