Agilent/Keysight 54855A

The Agilent/Keysight 54855A Infiniium oscilloscope is a 4-channel instrument built for signal integrity measurements and high-speed digital design validation. It delivers 6 GHz guaranteed analog bandwidth with sampling to 20 GSa/s per channel and acquisition memory up to 32 Mpts, enabling precise capture of complex waveforms in demanding test environments.

Technical Specifications

• Analog Bandwidth: 6 GHz (guaranteed); 7 GHz typical with option-008 enhanced bandwidth software


• Channels: 4 analog inputs


• Maximum Sample Rate: 20 GSa/s per channel simultaneously on all four channels


• Acquisition Memory: Up to 1 Mpts at all sample rates; 32 Mpts at 2 GSa/s and slower


• Rise Time (10% to 90%): 70 ps


• Trigger Jitter: 1.0 ps rms


• Display: 8.4-inch high-resolution color TFT with anti-glare coating

Key Features

• Advanced Triggering: Pattern detection on edges as narrow as 500 ps; logic AND/NAND selection; glitch capture from < 1.5 ns to < 160 ms range


• Violation Detection: Setup/hold violation triggers; pulse width triggers (500 ps minimum, 1.5 ns to 160 ms range); transition triggers


• Flexible Trigger Modes: State triggers; delay-by-time (30 ns to 160 ms); delay-by-events (1 to 16,000,000 edges); line voltage triggering; trigger holdoff from 80 ns to 320 ms


• Trigger Actions: E-mail on trigger; QuickMeas+ integration


• User Interface: Windows XP Pro-based GUI with analog-style front panel and task-oriented Setup Guide


• Memory Upgrades: After-purchase deep memory expansion available

Connectivity & Integration

• 10/100 Mbps LAN interface for network printing, data saving, and web-based control


• Rear USB port for setup files, data export, and screenshots


• GPIB over LAN for remote instrument access


• AutoProbe interface compatible with InfiniiMax probes and legacy Agilent probes