The Agilent/Keysight 3499A is a 5-slot modular mainframe that configures flexible data acquisition and switching systems for automated test environments. This 2U rack-height instrument accommodates plug-in modules to scale functionality from benchtop to fully rack-mounted installations, supporting up to 200 channels with switching speeds reaching 350 channels per second and open/close transitions under 0.1 second across 200 channels.
Technical Specifications
Architecture & Performance
• 5-slot mainframe with configurable module capacity
• Maximum 200 channels (module-dependent)
• Scan rate: up to 350 channels/second
• Channel switching: 200 channels open/close in <0.1 second
• Form factor: 2U rack height, full rack width
• Net weight: 3.8 kg (8.4 lbs)
Memory & Control
• SCPI programming language support
• Firmware-dependent storage: 10–50 instrument setups (SCPI mode); 40 setups (3488A mode)
• Error logging: 1–10 events
• Front panel: self-guiding user interface for manual or desktop operation
Power & Environmental
• Input: 100–240 V, automatic line voltage sensing
• Operating temperature: 0–55°C
• Operating humidity: <80% RH (0–40°C), non-condensing
• Operating altitude: 3000 meters
• Measurement Category I, 1500 Vpk transient, 500 V overvoltage transient
– Key Features
• GPIB (IEEE-488) and RS-232 interfaces for system integration
• 4-bit digital I/O port with 20 Kbytes/sec block transfer rate
• External triggering capability
• Modular plug-in architecture supports general-purpose relays, multiplexers, Form-C relays, RF/microwave switching, matrix configurations, optical modules, and multifunction designs
• Signal switching from DC to 26.5 GHz
• Voltage handling: 250 V standard, 1000 V on selected modules
• Current ratings: up to 5 A, or 8 A on specified modules
– Typical Applications
Automated test systems, signal routing, RF/microwave characterization, high-voltage switching matrices, and modular measurement platforms requiring scalable channel counts and programmable control.
– Compatibility & Integration
Standard SCPI command set ensures compatibility with industry test frameworks. GPIB and RS-232 connectivity support legacy and modern instrument control ecosystems.
