Keysight N5455A Mask/waveform limit testing Datasheet

Keysight Technologies
Mask/Waveform Limit Testing for
InfiniiVision Series Oscilloscopes
Data Sheet
Introduction
If you need to validate the quality and stability of your electronic components and systems, the Keysight Technologies,
Inc. mask test option for InfiniiVision Series oscilloscopes can save you time and provide pass/fail statistics almost instantly. The mask test option offers a fast and easy way to test your signals to specified standards, as well as the ability to
uncover unexpected signal anomalies, such as glitches. Mask testing on other oscilloscopes is usually based on softwareintensive processing technology, which tends to be slow.
Keysight’s InfiniiVision scopes mask test option is based on hardware-accelerated technology, meaning that InfiniiVision
Series oscilloscopes can perform up to 270,000 real-time waveform pass/fail tests per second. This makes your testing
throughput orders of magnitude faster than you can achieve on other oscilloscope mask test solutions.
Features
–– Test up to 270,000 waveforms per second with the industry’s
fastest hardware-accelerated mask testing technology
–– Automatic mask creation using input standard
–– Easily download multi-region masks and setups based on
industry standards
–– Detailed pass/fail statistics
–– Test to high-quality standards based on sigma
–– Multiple user-selectable test criteria
Test waveforms to specified standards in seconds instead of
hours using hardware-accelerated mask testing
Keysight Technologies Oscilloscopes
Multiple form factors from 20 MHz to > 90 GHz | Industry leading specs | Powerful applications
2
Using AutoMask
Figure 1 shows an example where we automatically created a pulse-shaped mask using an input signal standard.
You can easily specify horizontal and vertical tolerance
bands in either divisions or absolute volts and seconds.
We set up the mask test to run continuously in order to
accumulate valid pass/fail statistics. In this example, we
quickly detected an infrequent glitch. After running the
test for just a few seconds, the mask test statistics showed
that the scope performed the pass/fail mask test on more
than 1,000,000 waveforms and detected just two errors for
a computed error rate of 0.0002%. In addition, we can see
that this particular signal has a sigma quality relative to
the mask tolerance of approximately 6.1 σ.
Importing an industry-standard mask
Figure 1: Mask testing uncovers an infrequent signal anomaly.
Figure 2 shows an example of an eye-diagram mask test.
This particular polygon-shape mask is based on a published standard and was created on a PC using a simple
text editor. We then imported the mask and setup parameters into the scope via a USB memory stick.
Multiple test criteria
When setting up your specific mask test criteria, you can
choose from multiple options including:
– Run forever (with accumulated pass/fail
statistics)
– Run until a specified number of tests
– Run until a specified time duration
– Run until a maximum ideal sigma standard
– Stop-on-failure
– Save-on-failure
– Print-on-failure
– Trigger out-on-failure
Figure 2: Testing an eye-diagram with an imported industrystandard mask.
Six Sigma mask testing
Keysight InfiniiVision Series scopes are the first in the
industry that can report mask test pass/fail statistics in
sigma quality. InfiniiVision’s fast acquisition and waveform
mask test rate of up to 270,000 waveforms/sec makes
this possible and for the first time, practical. If waveform
failures follow a random/Gaussian failure distribution, Six
Sigma quality represents approximately three failures/defects or fewer out of a test sample of 1,000,000. InfiniiVision Series scopes can test up to a Six Sigma standard
in as little as 1.1 seconds. To learn more about waveform
mask testing to Six Sigma quality standards, refer to the
application note,“Oscilloscope Mask Testing for Six Sigma
Quality Standards” listed at the end of this document.
3
Performance Characteristics
Mask test source
Analog channels 1, 2, 3, or 4
Maximum test rate
5000, 6000, 7000 Series: Up to 100,000 waveforms tested per second
3000 and 4000 X-Series: Up to 270,000 waveforms tested per second
2000 X-Series: Up to 50,000 waveforms tested per second
6000 X-Series: Up to 130,000 waveforms tested per second
Acquisition modes
Real-time sampling–non-averaged, Real-time sampling–averaged
Mask creation
Automask-divisions
Automask-absolute
Mask file import
+/- X divisions, +/- Y divisions
+/- X seconds, +/- Y volts
Up to 8 failure regions (created in text editor)
Mask scaling
Source lock on (mask automatically re-scales with scope settings)
Source lock off (mask scaling fixed relative to display when loaded or created)
Test criteria
Run until forever, Minimum number of tests, Minimum time, Minimum sigma,
Action on error
Stop acquisitions, save image, print, perform measurements
Trigger output
On failure
Statistics display
Number of tests, Number of failures (for each channel tested), Failure rate (for each channel tested), Test time
(hours – minutes – seconds), Sigma (actual versus maximum without failures)
Display formats
Mask – translucent gray, Failing waveform segments – red, Passing waveform segments – channel color
Save/recall
4 non-volatile internal registers (.msk format), USB memory stick (.msk format)
Ordering Information
The mask/waveform limit test option is compatible with all Keysight InfiniiVision Series oscilloscopes.
InfiniiiVision model
Mask test options
2000 X-Series
DSOX2MASK
3000 X-Series
DSOX3MASK
4000 X-Series
DSOX4MASK
6000 X-Series
DSOX6MASK
5000,60000, and 7000 Series
N5455A
Related Keysight literature
Publication Title
Publication Type
Publication Number
InfiniiVision 7000B Series Oscilloscopes
Data sheet
5990-4769EN
InfiniiVision 6000 X-Series Oscilloscopes
Data sheet
5991-4087EN
InfiniiVision 4000 X-Series Oscilloscopes
Data sheet
5991-1103EN
InfiniiVision 3000 X-Series Oscilloscopes
Data sheet
5990-6619EN
InfiniiVision 2000 X-Series Oscilloscopes
Data sheet
5990-6618EN
InfiniiVision Series Oscilloscope Probes and Accessories
Data sheet
5968-8153EN
Oscilloscope Mask Testing for Six Sigma Quality Standards
Application note
5990-3200EN
Oscilloscope Waveform Update Rate Determines Probability
of Capturing Elusive Events
Application note
5989-7885EN
FlexRay Eye-diagram Mask Testing
Application note
5990-4923EN
CAN Eye-Diagram Mask Testing
Application note
5991-0484EN
4
05 | Keysight | Mask/Waveform Limit Testing for InfiniiVision Series Oscilloscopes - Data Sheet
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© Keysight Technologies, 2012 - 2014
Published in USA, August 4, 2014
5990-3269EN
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