The HP/Agilent 54111D is a 2-channel digitizing oscilloscope delivering 1 GSa/s sampling with dual bandwidth modes: 500 MHz for repetitive signals and 250 MHz for single-shot capture. Built for signal characterization in R&D, manufacturing, and service environments, it combines fast acquisition with flexible input conditioning and deep memory for detailed waveform analysis.
Technical Specifications
• Sampling Rate: 1 GSa/s
• Bandwidth: 500 MHz (repetitive), 250 MHz (single-shot)
• Channels: 2
• Memory Depth: 8k samples per channel
• Vertical Resolution: 8 bits
• Input Voltage Range: 8 mV to 40 V full scale, continuously variable
• DC Offset Range: ±200 mV (1–4.9 mV/div), ±1 V (5–49 mV/div), ±10 V (50 mV–0.49 V/div), ±100 V (0.5–5 V/div)
• Input Coupling: AC, DC, DC-50 ohm, Ground
• Input Impedance: 1 MΩ at 6.5 pF or 50 Ω (DC)
• Transition Time: 1.4 ns, 700 ps
• Horizontal Accuracy: 0.002%
• Aperture Jitter: 50 ps
• Time Resolution: 10 ps
• Time Base: Double
– Key Features
• Color display for intuitive signal visualization
• Complex triggering for precise event capture
• Automatic measurements and cursor-based analysis
• Auto-scaling, scroll, zoom, and memory bar functions
• Pre-trigger information capture
• Full HP-IB programmability using HP Oscilloscope Language (HP-OL)
– Typical Applications
The 54111D excels in transient analysis, protocol debugging, and high-speed signal characterization. Its low aperture jitter and precise timing resolution support clock and data recovery measurements, while variable input impedance and coupling options enable testing across mixed-signal and RF applications.
– Compatibility & Integration
The 54111D can be configured as a 2 GSa/s single-channel instrument when paired with a 54114A module. Front panel operation aligns with the 54112D, enabling consistent workflow across instrument variants.


















