NI-5783 4-Channel FlexRIO Transceiver Adapter Module
The NI-5783 is a four-channel analog input and output transceiver adapter module for FlexRIO. It combines four simultaneously sampled 16-bit analog inputs with four analog outputs, allowing one FPGA system to acquire and generate multiple signals with deterministic timing.
The inputs operate at up to 100 MS/s, while the outputs update at up to 400 MS/s. Butterworth and elliptic-filter variants are available for time-domain and frequency-domain applications.
Key Features of the NI-5783
- Four simultaneously sampled analog inputs
- Four analog output channels
- 16-bit input resolution
- 100 MS/s analog input rate
- 400 MS/s analog output update rate
- Approximately 40 MHz analog input bandwidth
- 175 MHz maximum transceiver bandwidth specification
- DC-coupled analog inputs
- 50 Ω single-ended signal paths
- Butterworth or elliptic input-filter variants
- External reference or sample-clock input
- Auxiliary digital I/O and programmable trigger connections
- Compatible with Kintex-7 FlexRIO FPGA modules
NI-5783 Technical Specifications
| Product Model | NI-5783 |
|---|---|
| Product Type | FlexRIO transceiver adapter module |
| Analog Input Channels | 4, simultaneously sampled |
| Input Resolution | 16 bits |
| Maximum Input Sample Rate | 100 MS/s |
| External Sample Clock Range | 60 MHz to 100 MHz |
| Input Coupling | DC |
| Input Impedance | 50 Ω |
| Typical Input Range | Approximately 2.03 V peak-to-peak |
| Input Bandwidth | Approximately 39.4 MHz to 39.5 MHz at -3 dB |
| Analog Output Channels | 4 |
| Maximum Output Update Rate | 400 MS/s |
| Filter Variants | Butterworth or elliptic |
| Analog Connectors | High-density BNC |
| Compatible FPGA | Kintex-7 FlexRIO |
| Auxiliary I/O | 8 DIO and 4 PFI connections |
Four-Channel Transceiver Architecture
The NI-5783 can acquire four analog signals while generating four output waveforms. FPGA logic can process the input data and update the output channels with deterministic relationships.
This architecture supports closed-loop control, custom test instruments, multichannel baseband processing and signal-emulation systems.
Butterworth Filter Version
The Butterworth version, part number 784364-02, provides a smooth passband response suitable for time-domain measurements where waveform shape and transient response are important.
Elliptic Filter Version
The elliptic version, part number 784364-01, provides a sharper transition between the passband and stopband. It is suited to frequency-domain applications where stronger rejection close to the passband is valuable.
FPGA-Based Processing
The NI-5783 requires a compatible Kintex-7 FlexRIO FPGA module or supported standalone Controller for FlexRIO. The FPGA can implement digital filters, channelization, feedback control, modulation, demodulation and custom triggering.
NI-5783 Part Number and Accessories
| Item | Part Number | Description |
|---|---|---|
| NI-5783 Elliptic Filter | 784364-01 | Four-channel transceiver optimized for frequency-domain applications |
| NI-5783 Butterworth Filter | 784364-02 | Four-channel transceiver optimized for time-domain applications |
| PXIe-7972R | 782954-01 | Compatible Kintex-7 FlexRIO FPGA module |
| PXIe-7976R | 783625-01 | Higher-capacity Kintex-7 FlexRIO FPGA module |
| HDBNC Cables and Adapters | Configuration dependent | Connect analog inputs and outputs to conventional coaxial interfaces |
NI-5783 Applications
- Software-defined radio
- Electronic warfare research
- Medical imaging
- High-performance machine control
- Custom baseband transceivers
- Multichannel waveform generation
- Closed-loop control
- Radar prototyping
- Custom digital filtering
- Real-time signal processing
Closed-Loop Control
The FPGA can acquire sensor or feedback signals, execute a custom control algorithm and update the output channels without relying on nondeterministic host-software timing.
Medical and Scientific Imaging
Multiple synchronized input and output channels support applicable imaging architectures requiring coordinated transmit waveforms and received-signal acquisition.
NI-5783 Installation Workflow
Step 1: Select the Filter Variant
Choose the Butterworth version for time-domain behavior or the elliptic version for sharper frequency-domain filtering.
Step 2: Verify FPGA Compatibility
Confirm that the selected FlexRIO FPGA module uses a supported Kintex-7 architecture.
Step 3: Assemble the FlexRIO Hardware
Power down the system and attach the NI-5783 to the FPGA module according to NI installation procedures.
Step 4: Install FlexRIO Software
Install compatible FlexRIO support, LabVIEW FPGA and any required component-level IP.
Step 5: Connect the Signals
Use 50 Ω HDBNC cables and verify signal amplitude before connecting each input or output.
Step 6: Deploy and Validate the FPGA Design
Compile the FPGA VI, verify clocking and test the system with low-amplitude known waveforms.
NI-5783 Troubleshooting
The adapter is not detected
Check the physical attachment to the FlexRIO FPGA module, software version and hardware compatibility.
The input waveform clips
Verify that the signal remains within the approximately 2 V peak-to-peak full-scale range and that DC offset is included in the calculation.
The frequency response differs from expectations
Confirm whether the installed unit is the Butterworth or elliptic version. Their filter transition and time-domain behavior are different.
The generated and acquired signals are not synchronized
Review FPGA clock domains, trigger routing, pipeline delay and the external reference-clock configuration.
The module is damaged after shutdown
NI specifies disconnecting signals before powering down and reconnecting them only after the FlexRIO hardware has powered the adapter.
NI-5783 Comparison
| Model | Configuration | Best Suited For |
|---|---|---|
| NI-5783 | 4 AI and 4 AO, 100 MS/s input | Multichannel baseband transceiver applications |
| NI-5782 | Dual-channel transceiver adapter | Lower-channel-count FlexRIO systems |
| NI-5772 | High-speed digitizer adapter | Input-only waveform acquisition |
| NI-5791 | 200 MHz to 4.4 GHz RF transceiver adapter | Direct RF generation and analysis |
NI-5783 Frequently Asked Questions
How many analog channels does the NI-5783 provide?
It provides four analog inputs and four analog outputs.
What is the input resolution?
The four simultaneous analog inputs use 16-bit ADCs.
What are the maximum input and output rates?
Inputs sample at up to 100 MS/s, while outputs update at up to 400 MS/s.
What is the difference between the two part numbers?
Part number 784364-01 uses an elliptic input filter, while 784364-02 uses a Butterworth input filter.
Can the NI-5783 operate alone?
No. It must be paired with a compatible Kintex-7 FlexRIO FPGA module or supported Controller for FlexRIO.
Request a Quote for the NI-5783
Contact us for availability and project pricing for the NI-5783 four-channel FlexRIO transceiver. We can also help select the correct filter version, FPGA module, HDBNC cables and PXI Express chassis.
