Agilent / Keysight DSO90604A Infiniium High Performance Oscilloscope: 6 GHz

The Keysight DSO90604A Infiniium is a 6 GHz oscilloscope engineered for precision signal analysis in research, development, and test environments. This four-channel instrument delivers 20 GSa/s sampling in 4-channel mode and 40 GSa/s in 2-channel mode, with configurable memory depth up to 1 Gpts per channel. The DSO90604A captures complex high-frequency signals with 540 ps rise time and 8-bit vertical resolution, expandable to greater than 12 bits through averaging.

Technical Specifications

• Analog bandwidth: 6 GHz (−3 dB), upgradeable to 13 GHz


• Maximum sample rate: 40 GSa/s (2-channel mode), 20 GSa/s (4-channel mode)


• Memory depth: 10 Mpts standard (4-channel); up to 1 Gpts per channel with options


• Vertical resolution: 8 bits; >12 bits with averaging


• Rise time: 540 ps (10%–90% at 50 Ω) Input Specifications


• Input impedance: 50 Ω ±2.5% or 1 MΩ ±1% (11 pF typical)


• Input sensitivity: 1 mV/div to 1 V/div (50 Ω); 1 mV/div to 5 V/div (1 MΩ)


• Input coupling: AC (3.5 Hz) or DC


• Maximum input voltage: 5 Vrms (50 Ω); 150 Vrms dc (1 MΩ)


• Noise floor: 0.98 mVrms at 50 mV/div


• Hardware bandwidth limit: 20 MHz (1 MΩ input only) Timebase and Triggering


• Timebase range: 500 fs/div to 1000 s/div


• Trigger types: Edge, Glitch, Runt, Pattern, Setup/Hold, Pulse Width, Timeout, Window, Qualified, Serial


• Trigger modes: Auto, Normal, Single Display and I/O


• 12.1-inch XGA (1024 × 768) color touch screen or 15-inch color TFT LCD


• Interfaces: 10/100/1000 BaseT Ethernet, four USB 2.0 host ports, one USB 2.0 device port, RS-232, parallel port, optional GPIB


• Power dissipation: 375 W

Key Features

• Four analog channels with selectable 50 Ω or 1 MΩ input impedance


• Channel-to-channel isolation: 50 dB (DC–50 MHz), 40 dB (>50 MHz–1 GHz), 25 dB (>1 GHz–4 GHz)


• Minimum input voltage swing: 500 mV peak-to-peak


• Advanced triggering with glitch, runt, pattern, and qualified modes


• Upgradeable bandwidth and memory options for future application scaling

Typical Applications High-frequency signal characterization, serial protocol analysis, pulse and transient measurement, electromagnetic compatibility testing, and circuit validation in RF and microwave design environments.

Compatibility & Integration Gigabit Ethernet connectivity enables remote instrument control and data transfer. Multiple USB and legacy serial interfaces support integration with automated test systems and legacy hardware configurations.