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DSAX92004Q Infiniium High-Performance Oscilloscope: 20GHz

Product Status: Discontinued | Currently Supported

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Current Firmware/Software

Version: 03.30
Release Date: 2017-12-07

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Probe Resource Center
Visit the Probe Resource Center for probe manuals, data sheets, SPICE models, videos, application notes, and more.

Help File 2017-11-22

Programmer's Guide for Infiniium Oscilloscopes (PDF)
This is a printable PDF version of the Infiniium Oscilloscopes Programmer's Guide.

Programming and Syntax Guide 2017-11-01

Programmer's Guide for Infiniium Oscilloscopes (CHM)
This is a Windows HTML Help (CHM) version of the Infiniium Oscilloscopes Programmer's Guide.

Programming and Syntax Guide 2017-11-01

Keysight MultiScope Hardware Configuration Guide
This guide describes the equipment required to configure MultiScope systems and shows you how to set up and connect the equipment.

User Manual 2017-10-01

PDF PDF 11.54 MB
Infiniium 90000 Q-Series Oscilloscopes - Data Sheet
The 90000 Q-Series has the industry’s highest realtime bandwidth with 63 GHz, highest 4-channel bandwidth with 33 GHz in a single frame, lowest noise and jitter measurement floor and deepest memory.

Data Sheet 2017-05-16

Infiniium 90000 Q-Series Oscilloscopes Service Guide
This guide contains the service information for the 90000 Q-Series oscilloscopes.

Service Manual 2017-02-01

Keysight Free Software Trial Demo
See how easy it is to download and use a Keysight free 30-day software trial. This short video explains how to download an 89600 VSA software free trial and explore what the software can do. Keysight offers free 30-day trials of its broad range of design and test software with absolutely no obligation. Get started today at

Demo 2016-05-20

Keysight oscilloscopes: Using ScopeMath app
Watch this video to learn how to acquire, filter, and analyze live digital signals for Keysight Infiniium and InfiniiVision oscilloscopes using the MATLAB application ScopeMath. MATLAB software is avialable with the purchase of a new Infiniium or InfiniVision oscilloscope as the N8831A, Option 61, or Option 62

Demo 2015-05-11

User-defined functions for Keysight oscilloscopes
Watch this video to learn how to make user-defined custom measurements for Keysight Infiniium oscilloscopes using the N8806A user-defined function option, which includes MATLAB software. N8806A is orderable from Keysight with the purchase of an Infiniium oscilloscope. Video hosted on MathWorks website. (8:02)

Demo 2015-05-11

Infiniium 90000 Q-Series Oscilloscope Demo Video
See how the 90000 Q-Series oscilloscopes can show you your fastest signals as they really are, even at its industry-leading bandwidths.

Demo 2015-01-07

Test and Measurement for Next Generation Optical Communications
View this recorded webcast, originally hosted by Lightwave, to learn more about optical communications measurements.

How-To Video 2014-09-29

MOV MOV 66.29 MB
Using Microwave Switches When Testing High Speed Serial Digital Interfaces
Many high speed digital interfaces use multiple lanes to achieve their system's throughput requirements. Most issues associated with this can be resolved with a switching network.

Application Note 2014-08-03

Bandwidth and Rise Time Requirements for Making Accurate Oscilloscope Measurements
How much oscilloscope bandwidth do you need and how fast does the rise time need to be to measure your signals accurately?

Application Note 2014-08-02

Tango Achieves Extreme Bandwidth and Channel Density Scope Systems - Application Note
Tango software is used to time synchronize multiple 90000 Q-Series oscilloscopes into one high bandwidth and high channel density measurement system.

Application Note 2014-07-31

Three Compelling Reasons for Deep Acquisition Memory
This app note discusses deep memory's value. While acquisition memory depth is often used as a primary purchase consideration, the associated benefits require additional thought to fully appreciate.

Application Note 2013-03-14

User's Guides, Programmer's Guides, and Online Help (Version 04.00.0004)
This installer places an "Keysight Infiniium Docs" folder shortcut on your desktop. In this folder you can find user's guides, programmer's guides, and other manuals that go with Infiniium 90000 Series and 9000 Series oscilloscope system software.

Help File 2012-10-09

EXE EXE 208.30 MB
Programmer's Reference for Infiniium 90000 Series Oscilloscopes (PDF)
This is a printable PDF version of the Infiniium 90000 Series Oscilloscopes Programmer's Reference.

Programming and Syntax Guide 2012-10-03

Programmer's Reference for Infiniium 90000 Series Oscilloscopes
This is a zipped Microsoft Windows® format help file. Extract this file to a Local Disk (a Windows security requirement); you may have to open the file's Properties dialog and Unblock the file before opening.

Programming and Syntax Guide 2012-10-03

Infiniium 90000 Q-Series Oscilloscopes User's Guide
This guide describes how to set up and use the 90000 Q-Series oscilloscopes.

User Manual 2012-10-01

State of the Art in Sub-10ps Pulse Generators: Technology, Performance, and Applications
This article will present an overview of sub-10 ps pulse generator architectures, important performance considerations, and conclude with a discussion of key applications.

Application Note 2012-07-23

Infiniium 90000 Q-Series Oscilloscopes - QFS
Infiniium 90000 Q-Series Oscilloscope offering industry's fastest real-time bandwidth at 63 GHz, the industry's lowest jitter measurement floor and deepest memory depth.

Promotional Materials 2012-04-04