Product Introduction
The NI PXIe-5785 is a high-performance FlexRIO transceiver module designed for high-speed RF signal acquisition and generation, communications research, radar testing, spectrum analysis, and advanced automated test applications. It combines multi-gigasample-per-second analog I/O with user-programmable FPGA processing in a PXI Express platform.
Featuring 12-bit high-speed conversion, sampling rates up to 6.4 GS/s, wide instantaneous bandwidth, and FPGA-based real-time signal processing, the PXIe-5785 provides a powerful platform for applications requiring extremely fast waveform acquisition, generation, processing, and deterministic response.
Product Overview
The NI PXIe-5785 belongs to the NI FlexRIO high-speed transceiver family and combines high-speed analog input and analog output functionality with a programmable FPGA architecture.
Unlike conventional fixed-function instruments, the FlexRIO architecture allows engineers to implement customized signal-processing algorithms, triggering logic, data reduction, protocol processing, and real-time decision making directly in FPGA hardware.
The PXIe-5785 is particularly useful for RF and communications applications where high sample rates, wide bandwidth, deterministic processing, and low-latency data movement are critical. Typical applications include radar prototyping, electronic warfare research, communications testing, spectrum monitoring, semiconductor validation, and advanced scientific instrumentation.
Key Features
Multi-GS/s High-Speed Sampling
The PXIe-5785 provides multi-gigasample-per-second analog acquisition and generation capability for demanding high-frequency signal applications.
- Sampling rates up to 6.4 GS/s
- High-speed waveform acquisition
- High-speed waveform generation
- Wideband signal processing
- Fast transient capture
Advantage: Enables engineers to acquire and generate rapidly changing signals that cannot be handled efficiently by conventional lower-speed DAQ hardware.
12-Bit High-Speed Conversion
The PXIe-5785 combines multi-GS/s operation with 12-bit converter resolution.
- 12-bit analog conversion
- High-speed waveform digitization
- Detailed signal acquisition
- Wideband RF measurements
- High-performance signal generation
Advantage: Provides a useful balance between extremely high sample rates and waveform resolution for advanced RF and communications applications.
Integrated Analog Input and Output
The PXIe-5785 provides both high-speed analog input and analog output functionality within a single FlexRIO transceiver platform.
- High-speed analog acquisition
- High-speed analog generation
- Bidirectional test capability
- Stimulus-and-response testing
- Integrated transceiver architecture
Advantage: Allows stimulus generation and response acquisition to be integrated into a compact PXI Express system.
Wideband Signal Acquisition
The high-speed converter architecture enables the PXIe-5785 to capture wideband signals for RF, communications, and scientific measurement applications.
- Wide instantaneous bandwidth
- Broadband waveform acquisition
- RF signal digitization
- Communications waveform capture
- Spectrum monitoring
Advantage: Enables analysis of broadband signals and complex modulation without relying exclusively on narrowband measurement architectures.
FPGA-Based Real-Time Processing
A key capability of the PXIe-5785 is its integration with programmable FPGA resources for deterministic signal processing.
- User-programmable FPGA
- Real-time digital signal processing
- Custom triggering
- Hardware-based data reduction
- Low-latency signal processing
Advantage: Processing data directly in FPGA hardware can significantly reduce latency and host-processing requirements.
Custom Digital Signal Processing
The FlexRIO architecture enables engineers to implement application-specific DSP algorithms directly in hardware.
- Digital filtering
- FFT processing
- Digital downconversion
- Digital upconversion
- Modulation and demodulation
- Custom protocol processing
Advantage: Allows the same hardware platform to be adapted to specialized RF, communications, radar, and scientific applications.
Low-Latency Processing
The FPGA-based architecture supports applications requiring deterministic and low-latency response to acquired signals.
- Hardware-based decision making
- Real-time event detection
- Deterministic triggering
- Closed-loop signal processing
- Rapid response applications
Advantage: Reduces dependence on host software when an application requires extremely fast reaction to incoming signals.
PXI Express System Integration
The PXIe-5785 uses the PXI Express platform, allowing it to operate alongside other RF, timing, switching, and measurement instruments.
- PXI Express architecture
- High-throughput system integration
- Multi-instrument synchronization
- Modular test system design
- Scalable automated testing
Advantage: Enables engineers to combine high-speed transceiver functionality with other PXI instruments in a synchronized test platform.
Advanced Triggering and Synchronization
The PXIe-5785 can be integrated into synchronized PXI systems for coordinated signal acquisition and generation.
- Hardware triggering
- PXI timing integration
- Multi-module synchronization
- Deterministic test sequencing
- Synchronized stimulus and acquisition
Advantage: Supports complex test systems requiring multiple instruments to operate with tightly controlled timing relationships.
NI Software and FPGA Development
The PXIe-5785 integrates with NI software tools for hardware configuration, FPGA programming, waveform processing, and automated test development.
- LabVIEW integration
- LabVIEW FPGA development
- FlexRIO driver support
- Custom FPGA algorithms
- Automated test software integration
Advantage: Provides engineers with a software-defined environment for creating customized high-speed instrumentation.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Type | PXI Express FlexRIO Transceiver Module |
| Architecture | High-Speed Analog I/O with Programmable FPGA |
| Converter Resolution | 12-bit |
| Maximum Sample Rate | Up to 6.4 GS/s |
| Analog Functionality | High-Speed Analog Input and Analog Output |
| Processing | User-Programmable FPGA |
| Signal Processing | Real-Time and Custom FPGA DSP |
| Triggering | Hardware and Programmable Triggering |
| Synchronization | PXI Express Timing and Synchronization |
| Platform | PXI Express |
| Product Family | NI FlexRIO |
| Primary Applications | RF Test, Communications, Radar, Spectrum Monitoring and High-Speed Research |
Software Ecosystem
The NI PXIe-5785 combines high-speed analog hardware with programmable software and FPGA resources to support customized measurement and signal-processing systems.
- LabVIEW: Enables development of custom acquisition, generation, visualization, processing, and automated test applications.
- LabVIEW FPGA: Enables engineers to implement custom signal-processing, triggering, timing, and control algorithms directly on FPGA hardware.
- FlexRIO Driver Software: Provides software interfaces for configuring and controlling compatible FlexRIO hardware.
- PXI Platform: Enables the PXIe-5785 to operate with additional PXI RF, timing, switching, digital, and measurement modules.
- Custom FPGA Processing: Supports application-specific digital signal processing for specialized RF and high-speed measurement systems.
Industries
- Aerospace and Defense
- Wireless Communications
- Radar and Electronic Warfare
- Semiconductor Test
- RF Engineering
- Research and Development
- Scientific Instrumentation
- Automated Electronic Test
Applications
Radar Research and Prototyping
The PXIe-5785 can acquire, generate, and process high-bandwidth signals for advanced radar research and validation systems.
- Radar waveform generation
- Radar signal acquisition
- Pulse analysis
- Real-time radar processing
- Prototype radar systems
Wireless Communications Research
The high-speed transceiver architecture supports development and characterization of advanced communications waveforms.
- Wideband communications research
- Custom waveform generation
- Modulation analysis
- Receiver algorithm development
- Communication system prototyping
Spectrum Monitoring
The PXIe-5785 can digitize wide portions of spectrum for monitoring, detection, and signal characterization applications.
- Wideband spectrum acquisition
- Signal detection
- Interference monitoring
- RF environment analysis
- Real-time spectrum processing
Electronic Warfare Research
The programmable FPGA and high-speed analog architecture are suitable for research involving rapidly changing RF signal environments.
- Wideband signal capture
- Real-time signal detection
- Custom waveform processing
- Low-latency RF experimentation
Semiconductor and Electronic Validation
The PXIe-5785 can provide high-speed stimulus and acquisition for advanced semiconductor and electronic device characterization.
- High-speed component testing
- Converter characterization
- Electronic device validation
- Automated production testing
High-Speed Scientific Measurement
The module can be incorporated into research systems requiring high-bandwidth digitization and programmable real-time processing.
- Physics experiments
- Transient event acquisition
- Custom scientific instrumentation
- High-speed sensor research
Comparison with Similar FlexRIO Modules
| Model | Main Difference | Best Application |
|---|---|---|
| NI PXIe-5785 | High-speed FlexRIO transceiver combining multi-GS/s analog input and output with programmable FPGA processing. | Wideband RF acquisition, generation and real-time processing |
| NI PXIe-5745 | High-speed FlexRIO digitizer designed primarily for wideband analog signal acquisition and FPGA processing. | High-speed wideband signal acquisition |
| NI PXIe-5775 | FlexRIO digitizer architecture for high-speed waveform acquisition and programmable FPGA processing. | High-speed digitization and custom DSP |
| NI PXIe-5764 | High-speed FlexRIO digitizer providing multiple analog input channels for synchronized acquisition applications. | Multi-channel high-speed acquisition |
Recommended Related Products
| NI PXIe-5745 | High-speed FlexRIO digitizer for applications focused on wideband signal acquisition and FPGA-based processing. |
| NI PXIe-5775 | FlexRIO digitizer for high-speed waveform acquisition, custom triggering, and FPGA signal processing. |
| NI PXIe-7866 | FlexRIO FPGA module for applications requiring customizable high-performance digital and FPGA processing resources. |
| NI PXIe-1095 | High-performance PXI Express chassis for building multi-module RF, FPGA, and automated test systems. |
Why Choose PXIe-5785?
- Multi-GS/s high-speed analog I/O
- Up to 6.4 GS/s sampling capability
- 12-bit converter architecture
- Integrated analog acquisition and generation
- User-programmable FPGA processing
- Low-latency real-time signal processing
- Custom triggering and DSP capability
- PXI Express timing and synchronization
- Ideal for RF, radar, communications, and advanced research applications
Frequently Asked Questions
What is the NI PXIe-5785?
The NI PXIe-5785 is a high-speed PXI Express FlexRIO transceiver module that combines multi-GS/s analog input and output with programmable FPGA processing for RF, communications, radar, and advanced automated test applications.
What is the maximum sample rate of the PXIe-5785?
The PXIe-5785 provides multi-gigasample-per-second operation with sampling capability up to 6.4 GS/s, making it suitable for high-bandwidth signal acquisition and generation.
What is the resolution of the PXIe-5785?
The PXIe-5785 uses 12-bit high-speed converter technology, providing a balance between multi-GS/s sampling performance and waveform resolution.
Can the PXIe-5785 both acquire and generate signals?
Yes. Unlike FlexRIO digitizers designed primarily for signal acquisition, the PXIe-5785 is a transceiver module that combines high-speed analog input and analog output functionality.
Does the PXIe-5785 include a programmable FPGA?
Yes. Programmable FPGA processing is a key capability of the FlexRIO architecture. Engineers can implement custom triggering, filtering, DSP, data reduction, protocol processing, and other application-specific functions directly in FPGA hardware.
What is the difference between PXIe-5785 and PXIe-5745?
Both are high-performance FlexRIO products for high-speed signal applications. The PXIe-5785 is a transceiver-oriented platform providing high-speed signal acquisition and generation, while the PXIe-5745 is primarily designed as a high-speed digitizer for wideband signal acquisition. The PXIe-5785 is therefore more appropriate when both stimulus and measurement functions are required.
Is the PXIe-5785 suitable for radar applications?
Yes. Its high sample rate, wideband analog architecture, programmable FPGA, low-latency processing, and PXI synchronization capabilities make the PXIe-5785 suitable for radar research, waveform prototyping, signal acquisition, and real-time processing applications.
Can the PXIe-5785 be synchronized with other PXI modules?
Yes. The PXIe-5785 can be integrated into PXI Express systems that use shared timing, triggering, and synchronization resources. This is useful for multi-channel RF systems and automated test platforms requiring coordinated operation across multiple instruments.
What applications are best suited for the PXIe-5785?
Typical applications include wideband RF acquisition and generation, radar research, electronic warfare research, wireless communications development, spectrum monitoring, semiconductor validation, high-speed scientific measurement, and customized FPGA-based instrumentation.
Conclusion
The NI PXIe-5785 FlexRIO transceiver module provides a high-performance platform for wideband signal acquisition, waveform generation, FPGA-based real-time processing, and advanced automated testing. With multi-GS/s analog I/O, 12-bit conversion, sampling capability up to 6.4 GS/s, programmable FPGA resources, and PXI Express synchronization, the PXIe-5785 is well suited for demanding RF, communications, radar, semiconductor, aerospace, and scientific research applications.
