Agilent/Keysight 54111D

The Agilent/Keysight 54111D is a 2-channel digitizing oscilloscope engineered for high-speed signal acquisition and waveform analysis. It delivers 500 MHz repetitive bandwidth with 1 GS/s sampling, supporting single-shot capture of non-repetitive events at 250 MHz bandwidth. The instrument captures up to 8 k samples per channel with 8-bit vertical resolution and 10 ps time-base resolution, enabling precise characterization of complex waveforms across digital design, telecommunications, and research applications.

Technical Specifications

• Bandwidth: 500 MHz (repetitive) / 250 MHz (single-shot)


• Sample Rate: 1 GS/s; optional 2 GSa/s test fixture available


• Channels: 2


• Memory Depth: 8 k samples per channel


• Vertical Resolution: 8 bits


• Time-Base Resolution: 10 ps


• Horizontal Accuracy: 0.002%


• Aperture Jitter: 50 ps


• Input Sensitivity: 1 mV/div to 5 V/div


• Input Coupling: AC, DC, 1 MΩ, 50 Ω, GND (internal and programmable)


• Pre-trigger Memory: 8 µs


• Display: Functional color display

Key Features

• Single-shot acquisition for transient and non-repetitive signal capture


• Complex triggering with automatic measurements and auto-scaling


• Cursor-based manual measurements


• Memory management via scroll, zoom, and memory bar functions


• Wide input dynamic range within its instrument class

Typical Applications

• Digital design verification and timing analysis


• Telecommunications signal characterization


• Research and development waveform capture


• High-speed transient measurement

Compatibility & Integration The 54111D supports optional 2 GSa/s test fixture configuration (Option 114) for enhanced sampling performance. Complete documentation including Getting Started Guides, Front Panel Reference, and Service Manuals is available.