NI PXIe-5433 785117-01 | 80 MHz 16-Bit Arbitrary Waveform Generator – Specifications & Integration Guide

Description

System Architecture & Operational Principle

Upstream Communication

• Waveform Commands: Configure the module to generate specific waveforms (e.g., sine, square, arbitrary);
• Trigger Signals: Synchronize waveform generation with other devices (e.g., start a pulse after a signal generator outputs a trigger).

Downstream Communication

• Software-Selectable Topologies: Configurable as 1-channel or 2-channel (via NI-FGEN driver);
• Impedance Matching: 50Ω (for high-frequency signals) or 1MΩ (for low-frequency, high-impedance sources) to minimize signal reflection.

Operational Advantages

• High Precision: 16-bit resolution (65,536 discrete levels) enables detection of small signal variations (critical for semiconductor testing or radar applications);
• High Speed: 800 MS/s update rate captures fast transients (e.g., 10 ns pulses) with minimal distortion;
• Flexibility: Software-configurable parameters (waveform type, amplitude, frequency) adapt to diverse test requirements;
• Synchronization: Supports PXIe clock and trigger signals for multi-module synchronization (e.g., aligning multiple AWGs in a phased-array system).

Core Technical Specifications

Attribute​	Specification​
Channels​	2 (simultaneously generated)
Bandwidth​	80 MHz (±3 dB)
Resolution​	16 bits (65,536 discrete levels)
Update Rate​	800 MS/s per channel
Output Voltage Range​	±12 V (into 50Ω); ±24 V (into high-Z)
Onboard Memory​	512 MB–1 GB per channel (configurable)
Trigger Modes​	Edge, window, hysteresis, digital (with 100 ps timestamp resolution)
Bus Interface​	PXIe x4 (compatible with PXIe-1084, PXIe-1095 chassis)
Operating Temperature​	0°C to +55°C (32°F to 131°F)
Storage Temperature​	-40°C to +71°C (-40°F to 160°F)
Dimensions (W×H×D)​	~216 mm × 128 mm × 20 mm (8.5 in × 5.0 in × 0.8 in) (3U PXIe module)
Weight​	~0.45 kg (1.0 lb)
Certifications​	CE, UL, CSA, RoHS

NI PXIe-5172

Customer Value & Operational Benefits

Field Engineer’s Notes (From the Trenches)

When using the PXIe-5433 for high-frequency waveforms​ (above 50 MHz), always use 50Ω output impedance—1MΩ impedance introduces signal reflection (VSWR > 2) at high frequencies, degrading waveform quality. I once saw a site where a technician used 1MΩ for a 100 MHz radar signal, resulting in a 30% error in pulse width. Switching to 50Ω fixed the issue immediately.

Another gotcha: calibrate the module regularly—the PXIe-5433 has a self-calibration routine (via NI-FGEN software) that corrects for gain/offset drift. A lab using the module without calibration reported a 15% increase in measurement error over 6 months; running self-calibration reduced the error to < 1%.

If the module’s “OVERFLOW” LED illuminates, increase the onboard memory—the module stops generating waveforms when the onboard memory is full. I’ve fixed countless “overflow” errors by upgrading from 512 MB to 1 GB per channel.

Real-World Applications

• Defense: Radar System Testing​
  The PXIe-5433 is used to generate radar pulses​ (e.g., from a phased-array antenna) in a defense test range. Its 80 MHz bandwidth and 16-bit resolution enable characterization of pulse width, amplitude, and phase, critical for validating radar performance.
• Automotive: ECU Signal Simulation​
  In automotive manufacturing, the module is used to simulate sensor signals​ (e.g., engine temperature, wheel speed) for ECU testing. Its high precision (16 bits) ensures accurate simulation, critical for vehicle safety.
• Semiconductor: Chip Verification​
  The PXIe-5433 is used to generate test signals​ (e.g., clock signals, data patterns) for semiconductor chip verification. Its 800 MS/s update rate allows capture of fast transients, enabling detailed analysis of chip behavior.

  

  NI PXIe-5172

High-Frequency Troubleshooting FAQ

• Memory Configuration: Increase the onboard memory per channel (via NI-FGEN software);
• Waveform Duration: Reduce the waveform duration (e.g., from 1 second to 0.5 seconds);
• Streaming Rate: Ensure the host PC can handle the data streaming rate (3.2 GB/s for x8 link).

1. Open NI MAX: Launch Measurement & Automation Explorer (NI MAX);
2. Select the Module: Expand “Devices and Interfaces” and select the PXIe-5433;
3. Choose Output Settings: Under “Analog Output,” select “50Ω” for impedance;
4. Test Waveform: Generate a sine wave (10 MHz) and verify the output with an oscilloscope.

1. Trigger Settings: Ensure the trigger mode (e.g., edge, window) is configured correctly;
2. Waveform Data: Verify the waveform data is loaded into the module’s memory;
3. Memory Allocation: Ensure the onboard memory is not full (check the “MEMORY” LED).

Commercial Availability & Pricing