The Keysight 69331A is a modular electronic load and arbitrary waveform generation instrument engineered for precision power testing and complex signal simulation. It combines programmable load capabilities with advanced waveform synthesis, supporting applications requiring synchronized multi-channel testing, transient response analysis, and DC power supply characterization.
Technical Specifications
Waveform Generation
• Sampling Rate: Up to 1.25 GS/s
• Vertical Resolution: 10 bits
• Bandwidth: 500 MHz per channel
• Spurious Free Dynamic Range: Over 50 dBc
• Modulation Bandwidth: 500 MHz per channel
• Waveform Memory: Up to 16 MS (optional)
• Definable Waveform Segments: Up to 125k
• Definable Sequences: Up to 16k
• Output Channels: Dual, supporting differential and single-ended configurations
Electronic Load Operating Range
• Minimum Operating Voltage: 1.2 V to 1.4 V depending on module
• Stable operation down to 0 V
• Specified current availability at 2.0 V, 1.5 V, 1.0 V, 0.5 V, and 0 V
Load Modes
• Constant Current: Regulation 8 mA to 10 mA; Accuracy 0.1% + 5 mA to 0.1% + 15 mA
• Constant Voltage: Regulation 5 mV to 20 mV; Accuracy 0.1% + 3 mV to 0.1% + 40 mV
• Constant Resistance: Multiple ranges from sub-ohm to kilohms
Measurement Accuracy
• Current: 0.05% + 3 mA to 0.05% + 10 mA
• Voltage: 0.05% + 3 mV to 0.05% + 20 mV
– Key Features
• Advanced sequencing engine for complex waveform creation
• Multi-module synchronization for multi-emitter and multi-path simulations
• Modular architecture with configurable slot-based power modules
• Low-voltage rated operation suitable for modern semiconductor testing
– Typical Applications
• Power supply dynamic load simulation and transient testing
• Arbitrary waveform generation for RF and baseband signal synthesis
• Multi-channel synchronized measurement and control
• Component and subsystem validation under programmed load profiles
– Compatibility & Integration
Full-rack (N3300A) and half-rack (N3301A) mainframe options accommodate modular power load cards. Dual-channel output supports both differential and single-ended measurement architectures.
