The VX Instruments PXA7224 is a 2-channel, isolated arbitrary waveform generator for PXI systems delivering 100 MS/s sampling and 16-bit resolution. This 2-slot, 3U module generates independent, fully isolated waveforms with up to 2 MB memory per channel and supports complex sequencing, on-the-fly amplitude/offset adjustment, and TTL marker outputs.
Technical Specifications
Waveform Generation
• Channels: 2, fully independent and isolated
• Sampling rate: Up to 100 MS/s
• Resolution: 16-bit
• Waveform memory: 2 MB per channel (up to 1 MS waveform data)
• Sequence memory: Up to 512 sequences
• Predefined waveforms: DC, sine, square, triangle, sawtooth
• User-defined waveforms via data file loading
• Real-time amplitude and offset modification during playback
Output Characteristics
• Output voltage: ±15 V standard (30 Vpp); optional +30 V into high impedance load
• Output impedance: 50 Ω or Lo-Z (~10 Ω)
• Maximum output current: 100 mA (p-p)
• AC bandwidth: 40 MHz (3 dB)
• Slew rate: >200 V/µs
• Marker output: 1 TTL per channel
Isolation & Safety
• Fully isolated channels and output to PE
• Isolation rating: 60 V CAT I, Pollution Degree 2
Trigger System
• Inputs: Software, PXI triggers (0-7), PXI star-trigger, internal function module
• Outputs: Internal function module, PXI triggers (0-7)
• System delay: 1 sample clock + 120 ns
• Highly configurable trigger engine
Environmental
• Operating temperature: 0°C to 40°C
• Operating altitude: Up to 2000 m
• Humidity: Up to 90% RH (<30°C); 45% RH (to 50°C); 85% RH (at 35°C)
• Storage temperature: -25°C to 70°C
• Weight: <0.7 kg
– Key Features
• SMA front connectors for signal output
• PXI 10 MHz clock integration
• Memory segmentation for complex waveform sequencing
• Built on VX Instruments FlexCPeP platform
– Typical Applications
Waveform generation for signal simulation, component testing, sensor characterization, and general-purpose arbitrary function generation in PXI-based test systems.
– Compatibility & Integration
Available with PXI or PXI Express interface. Integrates with PXI trigger bus and supports synchronized multi-module configurations via PXI star-trigger.
