Product Introduction
The NI-5771 is a high-speed FlexRIO Adapter Module designed for advanced signal acquisition applications requiring exceptional sampling performance and FPGA-based processing. When paired with an NI FlexRIO FPGA module, the NI-5771 delivers high-speed analog input, deterministic data streaming, and hardware-level processing for RF communications, radar systems, software-defined radio (SDR), semiconductor validation, and scientific research.
Combining precision analog front-end technology with the processing power of Xilinx FPGA devices, the NI-5771 enables engineers to develop highly customized measurement systems capable of real-time signal acquisition and analysis.
Product Overview
The NI-5771 belongs to the National Instruments FlexRIO Adapter Module family. Unlike conventional digitizers, the NI-5771 connects directly to FlexRIO FPGA modules, allowing users to customize acquisition, triggering, filtering, digital downconversion, and streaming algorithms through LabVIEW FPGA.
Designed for demanding high-speed measurement applications, the NI-5771 offers low-latency acquisition, deterministic hardware processing, and scalable PXI Express integration for advanced automated test systems.
Key Features
High-Speed Analog Input
The NI-5771 provides high-performance analog signal acquisition for demanding measurement applications.
- High-speed analog inputs
- Up to 1 GS/s sampling rate
- High-resolution digitization
- Wide analog bandwidth
- Excellent signal fidelity
Advantage: Accurately captures fast transient and RF signals with outstanding dynamic performance.
FlexRIO FPGA Architecture
Designed to operate with NI FlexRIO FPGA modules for customizable hardware processing.
- FPGA-based processing
- Hardware acceleration
- Custom acquisition logic
- Parallel processing
- Deterministic timing
Advantage: Enables application-specific signal processing beyond standard digitizer capabilities.
Real-Time Signal Processing
Perform complex digital processing directly on FPGA hardware.
- Digital filtering
- FFT processing
- Trigger customization
- Digital downconversion
- Real-time streaming
Advantage: Reduces host CPU workload while improving system responsiveness.
PXI Express Integration
Fully compatible with PXI Express FlexRIO platforms for modular system expansion.
- PXI Express architecture
- High-speed PCIe bandwidth
- Scalable instrumentation
- Multi-module synchronization
- Shared timing resources
Advantage: Easily integrates with oscilloscopes, RF analyzers, SMUs, and switch modules.
LabVIEW FPGA Development
Supports graphical FPGA programming using National Instruments software.
- LabVIEW FPGA
- Graphical programming
- Custom hardware logic
- Rapid development
- Hardware debugging
Advantage: Accelerates FPGA development without requiring traditional HDL programming.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Type | FlexRIO Adapter Module |
| Series | NI FlexRIO |
| Function | High-Speed Analog Input |
| Maximum Sampling Rate | Up to 1 GS/s |
| Analog Input Resolution | 14-bit |
| Bus Interface | PXI Express (via FlexRIO FPGA Module) |
| FPGA Compatibility | NI FlexRIO FPGA Modules |
| Synchronization | PXI Express Timing and Triggering |
| Driver | NI-RIO |
| Programming | LabVIEW FPGA, LabVIEW, C/C++, Python |
| Operating Temperature | 0 °C to 55 °C |
Software Ecosystem
The NI-5771 integrates with National Instruments software for FPGA development, waveform acquisition, and automated testing.
- LabVIEW FPGA Module – FPGA programming and hardware customization.
- LabVIEW – Measurement automation and signal analysis.
- NI-RIO Driver – Communication with FlexRIO hardware.
- NI MAX – Hardware configuration and diagnostics.
- FlexRIO Instrument Design Libraries – Accelerated application development.
- Python, C/C++, and .NET – Integration through NI APIs.
Industries
- Software Defined Radio (SDR)
- Wireless Communications
- Radar and Defense
- Semiconductor Testing
- Aerospace
- Scientific Research
- Electronic Warfare
- Automated Test Equipment (ATE)
Applications
Software Defined Radio
Acquire RF signals for SDR communication systems.
- Wireless communication
- Spectrum analysis
- Signal decoding
- Baseband processing
Radar Signal Processing
Capture high-speed radar waveforms with FPGA acceleration.
- Radar receivers
- Pulse analysis
- Target detection
- Signal processing
Semiconductor Validation
Acquire precision analog waveforms for device characterization.
- Mixed-signal testing
- High-speed validation
- Timing analysis
- Device verification
Scientific Instrumentation
Develop customized high-speed acquisition systems.
- Experimental research
- Data acquisition
- Signal analysis
- Laboratory automation
Comparison with Similar Products
| Model | Main Difference | Best Application |
|---|---|---|
| NI-5771 | 14-bit, up to 1 GS/s FlexRIO analog input adapter module. | General high-speed signal acquisition |
| NI-5751 | Lower-speed FlexRIO analog input module. | General-purpose data acquisition |
| NI-5772 | Higher-channel-density FlexRIO adapter module. | Multi-channel acquisition |
| NI PXIe-5164 | Standalone PXI Express oscilloscope without FPGA customization. | General waveform acquisition |
Recommended Related Products
| NI PXIe-7975 | FlexRIO FPGA module for NI-5771 adapter modules. |
| NI PXIe-7976 | High-performance Kintex-7 FlexRIO FPGA module. |
| NI PXIe-1095 | 18-slot PXI Express chassis. |
| NI PXIe-8861 | PXI Express embedded controller. |
| NI-5781 | FlexRIO adapter module for high-speed mixed-signal applications. |
Why Choose NI-5771?
- High-speed analog acquisition up to 1 GS/s
- 14-bit high-resolution digitization
- Fully programmable FlexRIO FPGA architecture
- Excellent for SDR, radar, and RF applications
- Seamless PXI Express integration
- Supports LabVIEW FPGA and NI-RIO
- Deterministic hardware-level signal processing
- Ideal for custom high-speed measurement systems
Frequently Asked Questions
What is the NI-5771 primarily used for?
The NI-5771 is designed for high-speed analog signal acquisition in software-defined radio, radar, semiconductor testing, RF communications, scientific research, and custom FPGA-based measurement systems.
Does the NI-5771 require a FlexRIO FPGA module?
Yes. The NI-5771 is an adapter module and must be paired with a compatible NI FlexRIO FPGA module, such as the PXIe-7975 or PXIe-7976, to operate.
Which software supports the NI-5771?
The NI-5771 is supported by LabVIEW FPGA Module, LabVIEW, NI-RIO, NI MAX, FlexRIO Instrument Design Libraries, Python, C/C++, and .NET development environments.
Conclusion
The NI-5771 FlexRIO Adapter Module delivers high-speed 14-bit analog signal acquisition with up to 1 GS/s sampling performance when paired with an NI FlexRIO FPGA module. Combining FPGA programmability, PXI Express scalability, and seamless integration with the National Instruments software ecosystem, it is an excellent solution for SDR, radar, RF communications, semiconductor validation, and advanced scientific instrumentation.


