Key Technical Specifications
- Product Model: PXI-5402 (Order Code: 192887B-01)
- Manufacturer: National Instruments (NI)
- System Platform: NI PXI modular instrumentation system
- Instrument Type: Arbitrary function generator (not a full arbitrary waveform generator)
- Maximum Bandwidth: 40 MHz sine wave
- Effective Sample Rate: 400 MS/s with interpolation
- Frequency Resolution: 0.355 µHz (theoretical DDS resolution)
- Output Modes: Standard Function Mode and Frequency List Mode
- Connector Type: Front-panel BNC
- Driver Support: NI-FGEN / niFGEN
Functional Positioning and Application Scenario Analysis
The NI 192887B-01 PXI-5402 is a legacy PXI arbitrary function generator designed for automated test systems that require stable, repeatable standard waveform stimulus. Its core value lies in providing precise sine, square, triangle, and other periodic waveforms through direct digital synthesis, while supporting phase-continuous frequency hopping and frequency-list-based stepped frequency changes. Unlike NI arbitrary waveform generators such as the PXI-5412 or PXI-5421, the PXI-5402 does not support full arbitrary waveform playback; it is best suited for applications where standard periodic signals, frequency sweeps, or multi-frequency list stimulation are required.Typical application scenarios include:
- Automated Test Equipment (ATE): Provides stimulus signals for analog circuit verification, filter characterization, amplifier testing, and sensor simulation within PXI-based test racks.
- Production and Calibration Lines: Generates repeatable standard waveforms for functional testing, frequency response checks, and instrument calibration.
- Legacy PXI System Maintenance: Serves as a replacement module for older PXI-5402 installations where the test software and I/O mapping are already established.
- R&D Validation Benches: Supports frequency-list mode testing where multiple discrete frequencies must be applied without reconfiguring the instrument between steps.
Quality Standards and Test Process
We understand that an unreliable spare module can cause far greater losses than the module itself. Therefore, every NI 192887B-01 PXI-5402 unit follows a structured inspection and verification process before shipment:
- Visual and Physical Inspection: Each module is checked for correct order code labeling, connector condition, PCB integrity, and signs of corrosion, overheating, or mechanical damage.
- Chassis Recognition Test: The module is installed into a compatible PXI chassis and verified for proper detection in NI Measurement & Automation Explorer (MAX).
- Self-Test Verification: The built-in self-test function is executed to confirm basic hardware readiness and driver communication.
- Functional Output Check: Where test conditions allow, standard waveform output and frequency-list operation are verified to confirm that the module can generate signals as expected.
- Configuration Review: Driver compatibility, slot assignment, and trigger/resource conflicts are reviewed to reduce integration risks in the customer’s system.
- Warranty Commitment: Only modules that pass inspection are released, and each unit is covered by a 12-month warranty.
Compatibility and Upgrade Path
To ensure the NI 192887B-01 PXI-5402 fits your system correctly, our technical team recommends verifying the following points before ordering:
- Chassis Compatibility: The PXI-5402 is a PXI module and must be installed in a compatible PXI peripheral slot, a PXI-1 slot, or a PXI hybrid slot that accepts PXI modules. It is not a PXIe-native module.
- Driver and Software: Confirm that the host controller supports the NI-FGEN driver version required by your test application. Legacy PXI-5402 deployments may be sensitive to operating system and driver updates.
- Instrument Type Limitation: The PXI-5402 is an arbitrary function generator. If your application requires true arbitrary waveform playback, complex waveform streaming, or advanced sequencing, consider migrating to NI PXI-5412, PXI-5421, or a PXIe-54×3 series AWG.
- Slot and Resource Planning: In mixed PXI systems, IRQ sharing, trigger routing, and chassis segment layout may affect module behavior. Verify slot assignment and resource allocation before final integration.
- Replacement Verification: If replacing an existing PXI-5402, confirm the original order code, calibration status, and software configuration to avoid unexpected changes in test behavior.
