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Data Acquisition – DAQ

DAQ System – More than 25 years of Leadership

Keysight Technologies has provided data acquisition (DAQ) and switching solutions for more than twenty-five years. We provide data acquisition solutions for electrical, physical, mechanical, acoustic and signal routing applications up to 50GHz.

Compare data acquisition (DAQ) switch platforms

Define a switching solution with switches, controllers and accessories.

  • Get the Best Value with high quality switching and measurements in compact, cost effective solutions
  • Use on Industry Standards with modular LXI and VXI solutions
  • Use the Keysight’s Application Software to collect, analyze and present your data real-time

Check out our next-generation multi-channel data acquisition (DAQ) system — sample more signals, faster!

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Data Acquisition and Switching Platforms Select and Compare Table
Data Acquisition and Switching Platforms Select and Compare Table

Selection Guide 2018-11-01

L4490A/L4491A RF Switch Platform User’s and Service Guide
Includes switch and attenuator installation, configuration, and programming information.

User Manual 2017-07-28

PDF PDF 9.77 MB
34980A and L44xx Memory Clearing Procedure
This document contains detailed internal memory information for the 34980A multifunction switch/measure mainframe and modules and the L44xxA series LXI switch and control instruments.

Operation Manual 2015-07-23

PDF PDF 174 KB
L4490A/91A RF Switch Platform - Data Sheet
Keysight L4490A/91A Data Sheet.

Data Sheet 2014-12-18

Declaration of Conformity
Search Keysight Regulatory database for the most recent Declaration of Conformity statement for your product.

Reference Guide 2014-08-01

Characterizing the I-V Curve of Solar Cells and Modules
This measurement brief explores the various test and measurement tools you can use for I-V curve characterization and provides tips to help you choose the instrument or instruments that best fit your solar cell or module measurement needs.

Application Note 2014-07-31

34945A, L4445A and L4490A/L4491A - Configuration Guide
Introduction of the Keysight 34945A, L4445A, and L4490A/L4491A family of RF/Microwave switching instrument features, and assists in the three step process of selecting and configuring the systems.

Configuration Guide 2014-05-14

Bench and System Switching Products
Whether you use switching to route signals for design verification applications or for complex automated functional test systems, reliable and repeatable switching is critical for your measurement accuracy.

Brochure 2012-04-27

PDF PDF 11.37 MB
PXI Product on YouTube
PXI Product on YouTube

Demo 2011-12-22

Design Tutorial: E5061B ENA Custom Multiport Switch Solution Using L4491A
This application note describes how to configure a 12-port custom switch box with the L4491A switch platform and operation basics using the E5061B network analyzer.

Application Note 2011-11-29

PDF PDF 1016 KB
Efficient use of data logging and decision making w multiple scan lists
Basic data logging allows you to confi gure different measurements across multiple channels, then record the data.

Application Note 2010-04-07

PDF PDF 486 KB
Types of Data Acquisition Architectures
To help you choose a system that meets your needs, this article explains the different types of data acquisition system architectures and explores some of the advantages and disadvantages.

Application Note 2010-02-01

Solar Cell and Module Testing
This application note describes how to decrease costs and increase flexibility for solar cell and module testing with Keysight products and solutions.

Application Note 2009-12-07

Tips for Optimizing Your Switch Matrix Performance
This application note offers eight tips to help you optimize your measurement matrix switching performance and important features to remember when designing your switching solution.

Application Note 2009-10-22

Responding to data logging events using action scripts
Combining data logging hardware and software can give you more techniques to automate extensive and repetitious measurements.

Application Note 2008-10-30

Improve your data logging productvity using advanced limit testing
Improve your data logging productvity using advanced limit testing

Application Note 2008-10-30

PDF PDF 456 KB
RF and Microwave Switching Solutions Brochure
This brochure describes Keysights' RF and Microwave Switching Solutions and includes the product groups and key specifications.

Brochure 2008-07-04

PDF PDF 1.05 MB
L4490A/L4491A RF Switch Platform Programmer’s Reference
Includes detailed information on the RF switch platform’s SCPI command set. Version 1.1.

Programming and Syntax Guide 2008-03-03

EXE EXE 788 KB
L4490A/L4491A RF Switch Platform Command Quick Reference
Quick reference listing of the command syntax for the RF switch platform SCPI command set.

Reference Guide 2008-03-03

PDF PDF 43 KB
Using the L4491A RF Switch Platform to Build a Custom Switch Solution in Half the Time
uW routing and signal management using the Keysight 34945A, L4445A & L449xA instruments.

Demo 2008-02-25

10-Tips Series: Get More From Your Switch/Measure Unit - Right From Your Computer Screen
Keysight Switch/Measure experts are introducing a new series of 10 short video clips that can help you improve productivity and increase results for your data acquisition or functional test applications.

Demo 2008-02-20

RF & Microwave Switch Family
This flyer provides a brief overview and specifications on all Keysight RF & Microwave electromechanical and solid state switches.

Brochure 2007-07-26

PDF PDF 340 KB
How Operating Life and Repeatability of Keysight’s EM Switches Minimize System Uncertainty
This application note discusses the effects of operating life and repeatability on coaxial electromechanical switches.

Application Note 2007-04-09

Standardized Core Makes Building and Supporting a Functional Test System Easier and Less Costly
This note demonstrates how to use LXI instruments to create a standardized core - the open test platform (OTP), for building test systems.

Application Note 2007-02-23

Optimizing Test Systems for Highest Throughput, Lowest Cost and Easy LXI Instrument Integration
A new class of LXI instruments can save rack space, money and integration time over PXI. This application note discusses the tradeoffs and also explains how to optimize execution time through careful use of SCPI to avoid LAN latency issues.

Application Note 2006-03-23

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