PEF22810T-V21TR

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PEF22810T-V21TR is an integrated high-performance line interface chip for high-speed xDSL. It is an ideal design in line-side interface applications due to its low power consumption, low die area and superior performance. PEF22810T-V21TR belongs to the telecom interface category and is equipped with a variety of advanced performance optimization technologies.

Overview

PEF22810T-V21TR is a high-performance line interface chip specifically designed for xDSL applications. It supports 10/100Mbps 2P/4P line rate, full duplex/half duplex duplex mode. It also supports a variety of advanced features, including automatic equalization, adaptive equalization, echo cancellation, crosstalk cancellation, dynamic power control, and more. It has a built-in power management unit that coordinates with external power modules, which not only reduces power consumption but also helps achieve the desired xDSL objectives.

Application Field

PEF22810T-V21TR is suitable for xDSL applications in the telecom field. Its line-side interface can be used with external power modules to support various types of xDSL transmission protocols, including VDSL, ADSL, G.fast, SHDSL, and EFM. It is also used in other applications such as video conferencing, IP telephony, and remote access systems. This chip is ideal for broadband access applications that need high-performance line-side interfaces.

Working Principle

The working principle of PEF22810T-V21TR is to receive and send data from the line. It supports 10/100Mbps line-side interface that supports one pair and two pairs of integrity. It uses adaptive equalization, echo cancellation and crosstalk cancellation technologies to achieve superior performance. It also supports a dynamic power control system, which can adjust the power levels of the received and transmitted signals automatically, allowing the power saving and maintenance of the transmission quality.

PEF22810T-V21TR also supports automatic equalization, which can adjust the equalizer coefficient so as to adjust the distortion level. The chip also provides a variety of transmission functions, such as continuous FFT, power error measure, and signal synchronization function, to ensure the quality of the signal. In addition, this chip also includes an internal temperature monitor, which can monitor the chip temperature, alarm signal and prevent temperature drift.

Advantages

PEF22810T-V21TR is an efficient chip for telecom interface applications. It is designed with low power consumption, low die area and advanced performance optimization technologies. It can support wide range of xDSL transmission protocols, allowing high flexibility in the design. The internal temperature monitor greatly improves the reliable of chip operation in high temperature environment. This chip also has a high integration degree, which greatly reduces the cost of design and implementation.

Conclusion

PEF22810T-V21TR is an ideal design for telecom interface applications due to its high-performance, low power consumption and other advanced features. It is suitable for a wide range of xDSL transmission protocols and can be used in applications such as video conferencing, IP telephony, and remote access systems. The internal temperature monitor and advanced performance optimization technologies, ensure that the chip works reliably in high temperature environment. This chip is an ideal choice for telecom application.

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