USRP X440

The Ettus USRP X440 is a USRP Software Defined Radio (SDR) Device that helps you integrate hardware and software for prototyping high-performance, multichannel, wideband signal generation and analysis systems. This SDR features 8 TX and 8 RX channels with a direct sampling transceiver architecture. It also features a Xilinx Zynq Ultrascale+ RFSoC with programmable FPGA supporting the open source UHD and RFNoC tool flows for integration of external up- and downconversion, filtering, and amplification front ends. With these features, the Ettus USRP X440 has the IF and processing performance for applications such as radar, EW, SATCOM and mmWave development and prototyping. Additionally, the Ettus USRP X440 includes a GPS-disciplined 10 MHz oven-controlled crystal oscillator (OCXO) Reference Clock, which improves frequency accuracy and synchronization.

Features

RF Features:

• Front End: Balun-coupled MMPX
• IF Range: 30 MHz – 4 GHz*
• Bandwidth: up to 1.6 GHz*/channel, 3.2 GHz total
• Direct Sampling: Flexible up to 4 GSps
• Channel Count: 8 (Tx/Rx or TRX)
• Phase Coherency: Yes (sample-based)
  • Phase Stability (within device): < 1° RMS
  • Phase Stability (device-to-device): < 2° RMS
• Tx Output Level: < 0 dBm full scale
• Rx Input Level: 10 dBm full scale

* IF-Bandwidth combination limitations apply due to Nyquist zones and gaps

Digital Features:

• Xilinx Zynq UltraScale+ RFSoC ZU28DR-2
  • Built-in quad-core ARM processor
• Streaming Interface: Dual 100 GEth via QSFP28
• Synchronization: 10 MHz / PPS, GPSDO, IF
• Software: Open source (GNU Radio, RFNoC, UHD)
• GPIO for front-end control via UHD API or FPGA
  • 2x 12 lanes via HDMI with SPI protocol support