ETTUS USRP X440 Compible 75 MHz-6 GHz RF SDR 200MHz bandwidth/ch Phase-Coherent < 1° RMS USRP Software Defined Radio Device

The Luowave LW820 is a fully self-developed 8-channel high-performance universal software-defined radio (SDR) coherent device by Wuhan Luowave Electronics Co., Ltd. Built on the ADRV9009 and Xilinx UltraScale+ ZU11EG platform, it operates across a frequency range of 75 MHz to 6 GHz, with a maximum instantaneous bandwidth of 200 MHz per channel. Leveraging precise clock management and synchronized signal processing mechanisms, the Luowave LW820 delivers exceptional phase coherence and collaborative performance, making it ideally suited for complex wireless communication systems such as 5G networks, radar signal processing, satellite communications, and spatial spectrum direction finding.

Features

• Onboard Xilinx Zynq UltraScale+ MPSoC ZU11EG
• ADI's ADRV9009 RF chip, RF Range: 75 MHz – 6 GHz
• 8 TX and 8 RX, Instantaneous Bandwidth: Up to 200 MHz per channel
• Multi-device Phase Synchronization: <1° phase coherence deviation, meeting stringent requirements for 5G communications, radar detection, and other phase-critical applications
• Bandwidth Expansion Support: Enables rapid deployment of millimeter-wave systems
• High-speed Interfaces: Gigabit Ethernet & PCIe for high-throughput data transfer
• Supporting GPIO universal interface and JTAG debugging capability
• Support external clock reference and PPS time reference

Block diagram

Development environment

Support multiple development software and frameworks, including GNU Radio, LabVIEW, MATLAB, etc., which can meet various requirements ranging from rapid prototype development to high-performance real-time processing.

Phase Synchronization Test

The Luowave LW820 contains 4 pieces of ADRV9009. It not only has a multi-chip phase synchronization mechanism but also integrates a digital calibration function, which can perform phase calibration on the internal circuits. This further optimizes the phase synchronization performance. In scenarios where multiple chips work collaboratively and complex signal processing is involved, the Luowave LW820 can stably and accurately maintain phase synchronization, meeting the stringent application requirements for phase synchronization in 5G communication, radar detection, etc., and effectively enhancing the overall system performance. The phase synchronization consistency deviation can reach 1°.

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