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Technical Support

Electronic Measurement

Support by Product Model Number:

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30 Day Free Trial Licenses for the M8000 Series
Overview of & links to all trial licenses within the M8000 product family.

FAQ 2017-08-09

What are the Keysight equivalent model numbers for Centellax BERT products and test accessories?
Click on the question for full details of the equivalent model numbers.

FAQ 2017-07-13

What is the time out limit of response time (2.4) in M8020A Interactive link training?
The LTSSM (Link Training and Status State Machine) implements the timeouts as specified in the PCIe specification. Click on the question for additional information.

FAQ 2017-06-28

Where can I find manuals for discontinued and obsolete Hewlett-Packard, Agilent and Keysight test equipment?
Most Keysight products have PDF manuals that can be found on product pages. Other vendors also supply old manuals.

FAQ 2014-08-01

How much programming compatibility does exist between 81101A, 81104A, 81110A and 81150A, 81160A?
The implemented 81150A, 81160A SCPI command set is based on Keysight’s 81101A, 81104A, 81110A Pulse Pattern Generator product family. Therefore, most of the commands available for that instrument family are also available in the 81150A, 81160A models.

FAQ 2013-03-21

Typical Propagation Delay for the 81110A/11A
Refer to the image showing the typical Propagation Delay for the 81110A/11A.

FAQ 2012-02-17

Typical Propagation Delay for the 81110A/12A
Refer to the image showing the Typical Propagation Delay for the 81110A/12A.

FAQ 2012-02-17

Using the 81150A as an arbitrary waveform generator
Although the 81150A is an arbitrary function generator (AFG), it can be used as an arbitrary waveform generator (AWG) with some limits. The key difference between an AFG and an AWG is how data for a digital-to-analog converter is internally genera...

FAQ 2010-07-23

How can I generate de-emphasized signals like they are used e.g. for PCI-Express signalling?
Click above for the answer

FAQ 2010-04-12

81100 Family: Self test fails
The unit is not defective, this behavior is a result of the extensive self tests.

FAQ 2010-04-09

N4903A: Our N4903A lost all of its licensed options. Can they be recovered?
The licenses are tied to the Host ID. Since the unit has two ethernet cards, it may be that the wrong Host ID is being used to check licensing.

FAQ 2009-08-06

Simplified 8110A, 81101A, 81104A/05A, 81110A/11A Output Schematic
Refer to the Simplified Output Schematic for 8110A, 81101A, 81104A/ 05A,and 81110A/ 11A.

FAQ 2008-11-05

Simplified Keysight 81110A/12A, 81130A/31A/32A Output Schematic
Refer to the Simplified Output Schematic for 81110A/ 12A, 81130A/ 31A/ 32A.

FAQ 2008-11-05

81110A/11A/12A Complement/Differential output
The normal and complementary signals apply only to the 81110A mainframe if the 81112A output module is installed…

FAQ 2008-11-05

Channel 2 Output Controls
Please verify how many output modules are installed!

FAQ 2008-11-05

Why isn’t the screen bigger?
The screen is optimized for the “typical” engineering environment where the instrument is up on a lab desk you need to read the numbers from the screen from any angle. In case you need a bigger screen you can manage and control the instrument from...

FAQ 2008-02-21

Why are you offering 3 instruments in 1? What if my customer needs only one of these instruments?
In addition to precise pulses and trigger customers need to stress the device to its limits. In the past they used either a second channel or an additional instrument to distort the signal. With the new build-in capabilities real-world signals can...

FAQ 2008-01-29

What does channel add mean?
You can add the signal from one channel to the signal of the other channel this might be adding noise to a clean pulse, this might be a FM signal added with noise… The possibilities you have are huge.

FAQ 2008-01-29

What is a crest factor?
The crest factor defines the ratio between Vp to RMS. The ideal sine wave for example has a crest factor of 1.414. Any crest factor higher than 1.414 shows additional noise, distortion or spikes. In addition the crest factor shows signal boundar...

FAQ 2008-01-29

I have a Keysight Pulse Generator, Why shall I buy this new instrument?
In addition to Keysight’s proven Pulse Generator the 81150A provides distortion & modulation capabilities. This gives you complete new test possibilities. In addition the instruments provides coupling & uncoupling of channels. With the coupling you...

FAQ 2008-01-29

How to upgrade from 1 to 2 channels
It is not possible to upgrade a 1 channel version to a 2 channel version. You have to decide from the beginning how many channels you need.

FAQ 2008-01-29

Will the latest software support the old E4841A, E4843A, and E4844A hardware?
It is not recommended that these modules be used in an 81250A system.

FAQ 2005-03-29

Labview Start-up Program

FAQ 2003-11-04

PECL Information

FAQ 2002-06-27

E2900A Special #500

FAQ 2002-06-27

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