Agilent / Keysight DSO91204A Infiniium High Performance Oscilloscope: 12 GHz

The Agilent/Keysight DSO91204A Infiniium is a 12 GHz bandwidth oscilloscope purpose-built for high-speed digital design, signal integrity analysis, and research applications. This four-channel instrument captures complex waveforms with exceptional fidelity across demanding measurement scenarios. Deep memory architecture, hardware-accelerated analysis, and a proprietary Faraday-caged front end combine to deliver superior measurement accuracy and minimal noise floor performance.

Technical Specifications

• Bandwidth: 12 GHz (upgradeable to 13 GHz)


• 4 analog channels


• Sample rate: Up to 40 GSa/s per channel Memory Architecture


• Standard 50 Mpts per channel, upgradeable to 1 Gpts per channel


• 10 Megabytes standard acquisition memory


• Optional acquisition memory enables 2 kHz resolution bandwidth


• At 40 GSa/s with standard 10 Mpts memory: 6 kHz resolution bandwidth


• Pattern support up to PRBS23 Signal Integrity


• Noise floor: 1.45 mVrms at 50 mV/div


• Proprietary Faraday-caged front end reduces noise coupling


• Hardware-accelerated de-embedding and equalization Analysis & Measurement


• Deep jitter analysis with EZJIT+ software included


• Fast Fourier Transform with magnitude and phase analysis


• Windowing functions: Hanning, Flattop, Rectangular


• Cursor-based power measurements


• Serial Data Analysis (SDA) included


• Hardware-accelerated de-embedding

Key Features

• 12.1-inch XGA color touchscreen (1024 × 768 resolution)


• 256-level intensity-graded or color-graded persistence for 3D signal visualization


• Analog-style front panel with color-coded controls


• User-defined application automation support

Connectivity & Integration

• 10/100/1000 BaseT LAN with web-enabled remote access (Ultra VNC)


• GPIB and LAN for remote measurements


• Four USB 2.0 host ports (rear); one USB 2.0 device port (480 Mb/s)


• Front-panel USB 2.0 host ports for peripherals


• LXI Class C compliant


• Optional x4 PCI Express slot for high-speed data offload


• Supports USB 3.0, PCI Express Gen 2, SATA 6G, SAS 6G, and GDDR5 technologies

Typical Applications High-speed digital signal integrity validation, jitter characterization, serial protocol analysis, and frequency-domain component measurement in research and production environments.