The USRP-2945 is a high-performance hardware and software integrated SDR (Software Defined Radio) receiver device from National Instruments (NI) that covers the frequency range of 10 MHz ~ 6 GHz, supports real-time bandwidths of up to 80 MHz, and has four independent receiver channels for local oscillation coherent (LO)-shared synchronous reception. Shared (LO-shared) synchronous reception.
It is based on the USRP X310 motherboard with two sets of TwinRX RF daughterboards and a Kintex-7 FPGA, which can be programmed directly using the LabVIEW FPGA module. It excels in application scenarios such as spectrum monitoring, direction finding, signal intelligence, wide-area recording, radar prototyping, and more!
2.1 RF Parameters and Bandwidth
Frequency range: 10 MHz ~ 6 GHz
Real-time bandwidth: up to 80 MHz per channel
2.2 Analog-to-Digital Conversion Capability
ADC Resolution: 14-bit
Maximum I/Q sampling rate: 100 MS/s
Noise figure: 10 MHz-3 GHz <5 dB; 3-5 GHz <4 dB; 5-6 GHz <8 dB
2.3 FPGA and Synchronization Capabilities
FPGA: Xilinx Kintex-7
Four-channel shared LO support for coherent reception, suitable for multi-antenna arrays
2.4 Interface and Expandability
Motherboard derived from X310, expandable to PCIe or 10G/1G Ethernet interface (depending on configuration).
Supports UHD drivers for development with GNU Radio, LabVIEW, MATLAB, C++/Python applications.
Spectrum monitoring: wide bandwidth real-time scanning, suitable for electromagnetic environment detection
Signal Intelligence (SIGINT): Multi-channel simultaneous reception for enhanced localization/analysis capabilities
Radar prototyping: Programmable FPGAs for real-time signal processing
Wide-area signal recording: 4-channel simultaneous recording of signals from multiple sources
Direction finding: Coherent reception supports phase difference direction finding
These application scenarios ensure that you can efficiently deploy SDR systems in industry, defense, research, and more.
The USRP-2945 is essentially a pre-assembled unit of the X310 motherboard with a TwinRX front end, and NI provides complete unit delivery, including hardware assembly and factory testing. Compared to the modular Ettus X310, the USRP-2945 eliminates the need for user parts, assembly and testing.
5.1 Installation and Driver Configuration
Use either the NI-USRP or open source UHD driver, which supports LabVIEW, GNU Radio, and more.
Follow the “Getting Started Guide” to complete the USB/Ethernet connection and device identification test.
5.2 Example Project Practice
Start a spectrum scanning or continuous reception project to verify the synchronization of four channels.
Run the Rx Continuous Async example in LabVIEW environment to confirm the reception is working properly.
5.3 FPGA and Signal Acquisition Optimization
Adjust sample rate, filter, gain, and other parameters in LabVIEW or UHD to ensure signal quality.
FPGA logic can be written to realize real-time preprocessing, spectrum analysis, signal recognition and other enhanced functions.
Complete product line and documentation
A full line of devices from the B200, X310, and USRP-2945, with standard configurations and expansion options, as well as a full set of product manuals, sample code, and configuration guides.
In-house hardware testing and customization capabilities
Highmesh can provide you with custom front-end, higher bandwidth, custom RF board application design and prototyping support.
Professional Technical and Project Support
Technical support for installation, debugging, firmware upgrades, FPGA customization, etc.
Project planning, cost evaluation and after-sales service support for procurement and deployment.
Industry and OEM Applications
Highmesh helps you to quickly validate and deploy in SIGINT, radar, spectrum monitoring, IoT gateway and other scenarios, and is compatible with a wide range of software ecosystems (GN).
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