Agilent/Keysight 54845A

The Agilent/Keysight 54845A is a four-channel Infiniium oscilloscope built for high-speed signal acquisition and complex waveform analysis. Operating at 1.5 GHz analog bandwidth with sample rates up to 8 GSa/s (2-channel mode) or 4 GSa/s (4-channel mode), it captures transient and periodic signals across communications, aerospace, and advanced research applications.

– Technical Specifications

Bandwidth & Sampling
• Analog bandwidth: 1.5 GHz
• Sample rate: 8 GSa/s (2-channel mode), 4 GSa/s (4-channel mode)
• Memory depth (2-channel): 16 to 65,536 points (manual mode); auto mode optimizes for update rate and display quality
• Memory depth (4-channel): 16 to 32,768 points (manual mode)

Vertical System
• Input impedance: 1 MΩ
• Maximum input voltage: ±100 V (DC + AC, AC t or < t
• Transition trigger: Rise/fall time measurement; captures edges as fast as 800 ps
• Setup/hold trigger: Supports Setup, Hold, or Setup and Hold modes (edge transitions ≥ 1.5 ns; slew rate ratio < 2:1)
• Video triggering: NTSC (525 lines/60 Hz), PAL (625 lines/50 Hz), 875 lines/60 Hz; trigger on Field 1, Field 2, or any line
• User-defined triggering: Configurable sync pulse level, width, polarity, and edge number
• Trigger sensitivity (internal, normal, DC to 100 MHz): 0.5 divisions

– Key Features

Measurement & Analysis
• 16 drag-and-drop automatic measurement icons
• QuickMeas+ configurable button for four preselected measurements, QuickPrint, or QuickScreen
• Waveform math: Add, Subtract, Multiply, Divide, Invert, Magnify, Vs, Min, Max, Integrate, Differentiate, FFT Magnitude (FFT up to 1 GHz)
• Eye diagram measurements

Interface
Analog-like front panel paired with Windows-based graphical user interface. Multiple connectivity options enable remote control and data transfer.

– Typical Applications

Communications, aerospace, and advanced research requiring multi-signal analysis and precise capture of fast, complex waveforms.