The Keysight 34980A is a modular data acquisition mainframe designed for automated test and measurement in research, development, and manufacturing environments. Its eight-slot architecture accommodates 21 different plug-in modules, enabling flexible signal routing, switching, analog output, and digital control in a single instrument. The system achieves scanning speeds up to 1,000 channels per second and delivers a cost-effective alternative to PXI and VXI platforms.
Technical Specifications
Mainframe
• 8 plug-in module slots
• Maximum scanning speed: 1,000 channels/second
• Connectivity: LAN, USB, GPIB
• LXI-compliant with built-in web interface for remote access
• Dimensions: 133 mm H × 426 mm W × 341 mm D
Integrated Digital Multimeter (Optional)
• 6½-digit resolution (22-bit)
• DC voltage accuracy: 0.004%
• Math functions (Mx+B conversion), high/low limit alarms, time-stamped readings
– Key Features
Switching Modules
• General-purpose multiplexers: up to 560 2-wire channels at 300 V; 20 Form A relays rated 5 A/150 W; high-density module with 64 Form A relays (1 A switch/2 A carry)
• RF/microwave switching: DC to 26.5 GHz with independent SPDT 1×2 switches; 1×4 multiplexers to 3 GHz
• Matrix switching: up to 4,096 cross-points per mainframe with full row-to-column connectivity
Measurement & Output Modules
• Analog output: four channels at ±16 V DC or ±20 mA DC with 1 MB waveform memory; two ±12 V outputs; 16-bit resolution, 200 kHz update rate
• Digital I/O: 64 bidirectional lines with pattern memory, programmable polarity, thresholds to 5 V, handshaking
• Counter/totalizer: two 10 MHz frequency counters, 20 MHz programmable clock output, 100 kHz gated totalizer
– Typical Applications
Automated test systems requiring flexible signal routing, production test benches, component characterization, and multi-channel data acquisition with on-board computation and waveform generation.
– Compatibility & Integration
Standard LAN, USB, and GPIB connectivity enables integration into networked test environments. LXI compliance and web-based interface support remote monitoring and control across distributed testing facilities.
