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Nufront mass produced 5G 200MHz broadband RF chips

In the future, 5G network is developing towards network diversification, broadband, integration and intelligence. With the popularity of various intelligent terminals, mobile data traffic will grow explosively after 2020. In the future 5G technology, increasing the radio frequency working bandwidth of devices and improving the high-speed processing capacity are the core technologies to ensure the usage of future 5G network.

NR6816 Chip

 

Recently, Nufront launched a RF engine chip to meet the need of the future 5G terminal platform-NR6816. NR6816 adopts Zero IF architecture, integrates LNA and Pre-PA in the chip, receives and transmits IF filters, supports 3.2-3.8G frequency band. In addition, a single chip can support channel bandwidths with 20/40/80/100/160/200 MHz, and multi-channel can support the channel bandwidth up to 800MHz .

NR6816 Architecture Diagram

 

NR6816 supports quick mode switching, standby, receive, send, loop calibration, DPD and other working modes, and can optimize the power consumption of the chip in various modes. In addition, the chip supports fast gain switching, which can meet the application scenarios of AGC. NR6816's excellent reception and transmission performance can not only meet the system application of EUHT (Enhanced Ultra High Throughput), but also meet the requirements of 5G system in different scenarios such as user experience rate, flux density, time delay, energy efficiency and connection number, etc. Meanwhile, NR6816 also supports the performance requirement of 256QAM under 802.11ac160M, and the application of 1024QAM under 802.11ax.

The Performance Indexes of NR6816

65nm CMOS

1.2/1.8V

Frequency Band: 3.2-3.8G

Channel Bandwidth: 20/40/80/100/160/200 MHz

Receiving dynamic range: 110dB

Launching dynamic range: 30dB

Integrating LNA and Pre-PA in the chip

SPI serial interface

High speed UWB analog IQ interface, up to 200MHz

Compatible with MIMO and smart antenna

Automatic calibration of the system (frequency, local vibration leakage, sideband suppression and IQ mismatch)

Integrated temperature sensor and power monitoring module

 

RF chips based on 3.2-3.8GHz frequency range and 200MHz bandwidth is an important part of R&D of 5G technology of Nufront. The successful mass production of NR6816 chip will comprehensively promote the implementation of 5G technology R&D strategy of Nufront, and further enhance the strength of Nufront in 5G technology R&D. NR6816 chip is the first UWB radio frequency chip successfully developed and mass produced in China, and it will greatly enhance China's strength in the global 5G technology competition.

 

NR6816 chip introduction video: https://v.qq.com/x/page/u0549b0m7jq.html

 

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