The Agilent/Keysight 54854A is a 4 GHz digital oscilloscope engineered for signal integrity validation in telecommunications, semiconductor design, and digital systems development. This Infiniium 54800 series instrument captures and analyzes complex waveforms with 4 analog input channels, 20 GSa/s simultaneous sampling across all channels, and up to 32 Mpts acquisition memory at reduced sample rates. The Windows-based interface streamlines both real-time troubleshooting and detailed design verification workflows.
Technical Specifications
Analog Channels & Bandwidth
• 4 analog input channels
• 4 GHz analog bandwidth
• 20 GSa/s sample rate on all four channels simultaneously
Acquisition Memory
• Up to 1 Mpts MegaZoom deep memory at all sample rates
• Up to 32 Mpts MegaZoom deep memory at 2 GSa/s and slower
• 262 kpts/ch acquisition memory
Vertical System
• Sensitivity range: 1 mV/div to 1 V/div
• Offset range: > ±12 div or ±4 V (whichever is smaller)
• Offset accuracy: ±(2% of channel offset + 1% of full scale)
• Dynamic range: ±4 div from center screen
• Electronic attenuators eliminate mechanical relay concerns
Horizontal System
• Main sweep: 5 ps/div to 20 s/div
• Delayed sweep: 1 ps/div to main time base setting
Triggering
• Trigger jitter: 1.0 ps rms
• Advanced modes: violation, setup/hold, pulse width, transition triggers
• Trigger coupling: DC, AC (7 Hz), low-frequency reject (50 kHz), high-frequency reject (50 kHz)
Waveform Analysis
• 4 simultaneous math functions: add, subtract, multiply, divide, average, differentiate, integrate, invert, magnify, min, max, FFT magnitude, FFT phase, common mode, smoothing
• FFT range: DC to 10 GHz
• FFT resolution: sample rate/memory depth
• Signal-to-noise ratio: 60 dB at 32k memory depth
• Window modes: Hanning, flattop, rectangular
• Mask testing with AutoMask and user-defined templates
• Jitter analysis for cycle-cycle, N-cycle, and time/rate measurements
– Key Features
• Deep acquisition memory for extended signal capture across all channels
• Picosecond-level trigger timing precision
• Flexible FFT analysis from DC to 10 GHz
• Pass/fail mask testing against predefined or custom templates
• Electronic vertical attenuators for improved reliability
– Typical Applications
• High-speed digital signal validation
• Telecommunications protocol analysis
• Semiconductor characterization and design debug
• Jitter and timing analysis in clock and data signals
• Multi-channel signal correlation and integrity assessment
– Compatibility & Integration
Jitter analysis capabilities expand with E2681A EZJIT or N5400A EZJIT Plus software options. Communications mask test kits available for industry-specific compliance validation.


















