軟件無線電USRP-N300
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軟件無線電USRP N300產品概述
USRP N300是一種網絡軟件定義無線電(SDR),為大規(guī)模和分布式無線系統的部署提供可靠性和容錯能力。USRP N300設備通過引入獨特的功能來遠程執(zhí)行任務,如更新軟件、重新啟動、工廠重置、自我測試、主機PC/ARM調試和監(jiān)視系統健康狀況,從而簡化了無線電網絡的控制和管理。
RF前端使用AD9371收發(fā)器,這是來自AnalogDevice的最新RFIC技術,提供2X2 MIMO能力,最高100 MHz瞬時帶寬,擴展頻率范圍10 MHz~6 GHz。
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開源的USRP硬件驅動程序(UHD) API和射頻片上網絡(RFNoC) FPGA開發(fā)框架減少了軟件開發(fā)工作,并與GNU Radio等多種行業(yè)標準工具集成。用戶可以快速原型化和可靠地部署各種SDR應用程序的設計,如無線試驗臺、遠程無線電頭、頻譜監(jiān)控等。請注意,USRP N300不是為快速調諧而設計的,因而不適合跳頻應用。
基帶處理器
基帶處理器使用Xilinx Zynq-7035 SoC提供大容量用戶可編程FPGA進行實時和低延遲處理,以及雙核ARM CPU用來進行獨立運行。用戶可以直接將應用程序部署到預裝的嵌入式Linux操作系統上,或者通過兩個SFP+端口使用高速接口(如1GigE、10GigE和Aurora)將采樣數據注入到PC上。
同步
USRP N300具有靈活的同步體系結構,支持傳統的SDR同步方法,如時鐘參考、PPS時間參考和GPSDO,從而實現了高通道數MIMO系統。此外,USRP N300采用開源的White Rabbit時序協議,具有獨特的基于以太網的同步特性。在沒有gps的環(huán)境中,White Rabbit可以實現長距離的精確基帶同步。有關更多信息,請參見Ettus Research的“Using Ethernet-Based Synchronization on the USRP N3xx Devices”。
軟件無線電USRP N300產品特征
Reliable and fault-tolerant deployment
Remote management capability
Stand-alone (embedded) or host-based (network streaming) operation
Fully integrated and assembled (the USRP N300 does not support swappable daughtercards)
10 MHz to 6 GHz extended frequency range
Up to 100 MHz of instantaneous bandwidth per channel
2 RX, 2TX in half-wide RU form factor[1]
RX, TX filter bank
16 bit ADC, 14 bit DAC
Configurable sample rates: 122.88, 125, and 153.6 MS/s
Xilinx Zynq-7035 SoC
Dual-core ARM Cortex-A9 800 MHz CPU
Two SFP+ ports (1 Gigabit Ethernet, 10 Gigabit Ethernet, Aurora)
RJ45 (1 GbE)[2]
Clock reference
PPS time reference
Built-in GPSDO
Ethernet-based synchronization using White Rabbit protocol
1 Type A USB host port
1 micro-USB port (serial console, JTAG)
Watchdog timer
CE certified
OpenEmbedded Linux
USRP Hardware Driver?(UHD) open-source software API version 3.11.0.1 or later
RF Network on Chip (RFNoC?) FPGA development framework
Xilinx Vivado 2017.4 Design Suite(license not included)
GNU Radio support maintained by Ettus Research? through GR-UHD, an interface to UHD distributed by GNU Radio
USRP N300 does not contain a Trusted Platform Module
[1]The RF front-end uses an AD9371 transceiver that is independently tunable. The transceiver is capable of 2X2 MIMO operation.
[2]The RJ45 port is used for remote management of the device and does not support IQ streaming.
軟件無線電USRP N300設計框圖
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其他資源
USRP N300 Getting Started Guide
USRP N300 Hardware Resources
USRP N300 Schematics
Building and Installing UHD and GNU Radio Application Note
Verifying USRP Operation Application Note
RFNoC Development Application Note
Getting Started With UHD and C Application Note
Using Ethernet-Based Synchronization Application Note
包裝清單
USRP N300
RJ45 Ethernet Cable
SFP+ to RJ45 Adapter
Micro-USB cable
Imaged microSD Card
Power Supply
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GPIO Expansion Kit
Related Products
USRP N310