The Keysight (formerly Agilent / HP) 54855A is a high-performance Infiniium series digital oscilloscope offering 6 GHz of guaranteed hardware bandwidth, 4 analog channels, and a 20 GSa/s sample rate on all channels simultaneously. Designed for high-speed digital analysis, it features advanced MegaZoom deep memory and ultra-low trigger jitter, and is optimally paired with the InfiniiMax 1134A probing system for full bandwidth utilization.

Specifications

General

ParameterValue
InterfacesLAN (10/100Base-T), USB, GPIB (IEEE-488), RS-232, Parallel, VGA out
Display8.4-inch color SVGA TFT LCD (800 x 600 resolution)

Physical

ParameterValue
Power Supply100-240 VAC, 47-63 Hz, 440 W Max
Operating Temperature5 °C to +40 °C
Weight13 kg

Vertical System

ParameterValue
Input Channels4
Input Impedance50 Ω DC
Maximum Input Voltage±5 V (DC + peak AC)
Vertical Resolution8 bits (up to 12 bits with averaging)
Vertical Sensitivity Range (50 Ω)1 mV/div to 1 V/div
Input CouplingDC (50 Ω)

Horizontal System

ParameterValue
Timebase Range20 ps/div to 20 s/div

Acquisition System

ParameterValue
Maximum Real-Time Sample Rate (All Channels)20 GSa/s
Maximum Optional Memory Depth1 Mpts (all sample rates); 32 Mpts (≤ 2 GSa/s)
Memory ArchitectureMegaZoom technology
Standard Memory Depth256 kpts per channel (expandable by option)

Trigger System

ParameterValue
Trigger ModesEdge, Glitch, Pattern, State, Delay by Time/Events, Setup/Hold, Transition, Video

Computer System and Storage

ParameterValue
Operating SystemWindows XP Pro
Internal Storage TypeHard Disk Drive (removable with Option 017)

Connectivity and Interfaces

ParameterValue
Recommended Active ProbeInfiniiMax 1134A (7 GHz) with E2668A/E2669A connectivity kits

Waveform Math

ParameterValue
Math FunctionsAdd, Subtract, Multiply, Divide, FFT, Integrate, Differentiate, Invert

Power

ParameterValue
Maximum Power Consumption440 W

Environmental

ParameterValue
Storage Temperature-40 °C to +70 °C
Operating HumidityUp to 95% relative humidity at +40 °C

Technology

Digital Storage Oscilloscope (DSO)

Applications

High-Speed Digital Design, Signal Integrity, RF/Microwave Analysis