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Data Acquisition – DAQ

DAQ System – More than 25 years of Leadership

Keysight has provided data acquisition (DAQ) and switching solutions for more than 25 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 Keysight next-generation multi-channel data acquisition (DAQ) system — sample more signals, faster!

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Creating a Small, Low-cost RF Switching System using U2121A based solution
Creating a Small, Low-cost RF Switching System using U2121A based solution. This digital I/O module provides a cost-effective alternative for small test systems.

Application Note 2008-03-18

Automated Handler Machine for Test System Using Keysight U2100A DIO
This application note describes how the Keysight U2100A DIO is used for machine automation.

Application Note 2007-11-14

PMU Troubleshooting Using U2531A Simultaneous Data Acquisition
This application note describes how PMU troubleshooting can be performed using the U2500A Series Simultaneous Sampling DAQ.

Application Note 2007-11-14

Strain Measurement Application Using U2300A Series with Keysight VEE Pro - Application Note
This application note describes how users can make strain and vibration measurements using the Keysight USB DAQ for reliability and strength characterization of concrete and metal structures.

Application Note 2007-05-18

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

How to Verify the Functionality of Your 34980A Switch Modules
This application note outlines the benefits of the Y1131A and demonstrates its effectiveness using a 34980A multifunction switch/measurement unit.

Application Note 2006-11-06

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

Optimizing Test System Throughput, Cost and Integration Time Using LAN-Based Instruments
This application note explains how to minimize latency when using LAN to control your instrumentation and explains why LAN is an excellent choice for cost savings and ease of integration.

Application Note 2006-01-09

LAN Connection using Telnet
When communicating with a LAN instrument using TELNET, do the following...

Application Note 2005-06-29

Optimizing Thermocouple Measurement Accuracy With the Keysight 34980A
The 34921A/34921T is currently the only multiplexer module for the 34980A that provides an isothermal reference and temperature sensor for thermocouple measurements on the terminal block...

Application Note 2005-04-12

Moving from the HP 3852A Data Acquisition System to the Keysight 34980A Switch/Measure Unit
This application note describes the migration path of the HP 3852A data acquisition product to the new Keysight 34980A switch/measure unit; scanning versus matrix switches.

Application Note 2005-04-05

A Comparison of Leading Switch/Measure Solutions
This application note compares the features, execution speed and ease of software development for switch/measure solutions used in functional test and data acquisition environments.

Application Note 2005-01-27

Direct instrument connection using LAN
If connecting directly to an instrument using LAN (rather than through a server) there are some steps that can be taken to make the initial connection faster and get you up-and-running more quickly.

Application Note 2004-11-01

How to program the 3499A/B/C switch unit and the 34401A Digital Multimeter for scanning measurements
This technical note describes programming in Visual Basic for the 3499A/B/C Switch, N2260A 40-Channel Multiplexer and the 34401A DMM.

Application Note 2003-06-23

Problems Using RS-232 on Keysight Instruments with Laptop PCs running any Microsoft OS
Cause: The RS-232 I/O chip (UART) used on PCs has only a 16-byte buffer. Without real-time flow control, it is possible for buffer overruns to occur, causing a loss of data.

Application Note 2002-10-24

Selecting the Right Data Acquisition System (AN 1412)
Today, we have many choices in data acquisition systems from simple chart recorders to data loggers, on up to high channel count, high performance data acquisition systems. Choosing the best solution will depend on several factors including performance, price and ease of use.

Application Note 2002-08-26

Maximizing the Life Span of Your Relays (AN 1399)
This application note tells you how to maximize your relay's potential life by selecting the right relays for the type of measurements you are making.

Application Note 2002-06-11

VXI System Helps IC Package Company Test ICs
In recent years IC density have been increasing. Read how VXI Systems can help solve these test issues.

Application Note 2001-12-20

VXI Puts Chinese Refrigerators Through Tests
Throughput was low, because the system was inflexible and could complete only one kind of test for a single batch of refrigerators. When they were tested sequentially, only six refrigerators could be tested per week.

Application Note 2001-12-20

I/O Libraries Supported Interfaces - Application Note
IO Library

Application Note 2001-12-12

VXI I/O Using the IEEE 1394 Serial Bus (FireWire)
FireWire, IEEE 1394, IEC 1883. These titles refer to a high-speed serial bus that is literally a new standard for transmitting data between PCs and consumer electronics.

Application Note 2001-04-13

Switching Applications with the Keysight 34970A
We put a lot of thought into defining and designing the modules for the Keysight 34970A in order to cover a broad spectrum of switching and signal routing requirements with fewer modules.

Application Note 2001-04-13

Using VXI to Reduce Test-System Size and Cost
describes how how VXI hardware and updated software can simplify the redesign of older test systems

Application Note 2001-04-10

Custom Switch Matrices
Over a period of more than ten years, Keysight has developed a standard design and manufacturing process for making high performance custom switch matrices. Keysight designs matrices that are optimized for your application and specifications. This Product Note describes what a switch matrix does...

Application Note 2001-01-17


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