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The pitfalls of power-rail noise measurements

The pitfalls of power-rail noise measurements
MATsolutions' insight:

 

It is essential to be aware of the challenges that power-distribution networks offer, and even more important to understand how to overcome each one. This article introduces the problems and how you can defeat them when (and if) they arise. 

 



Article Excerpt:

"With today's circuits and systems operating with power rails at 1.2 V and lower, even small variations from nominal can produce bit errors. Jitter, false switching, and transient-related problems can leave you struggling to resolve problems."

 


Signal Integrity and high-speed design challenges with Todd Westerhoff

Signal Integrity and high-speed design challenges with Todd Westerhoff
MATsolutions' insight:

 

This interview with Todd Westerhoff from Mentor, a Siemens Business, digs into the current trends in high-speed design and why signal integrity is so critical and offers informative insights on the future of design and tool advancement. 

 



Article Excerpt:

Interview with Mentor's Todd Westerhoff about current trends in high-speed design and why signal integrity is needed for most designs today.


Test for safety: Handle with care

Test for safety: Handle with care
MATsolutions' insight:

 

The new standard applies to the safety of electrical and electronic equipment and business and office machines with a rated voltage not exceeding 600V. It will be made mandatory in the United States and Europe after December 2020.

 



Article Excerpt:

A new standard for audio-visual and ICT equipment spearheads a new hazard-based safety approach, says Clare Glittens


Test power supplies for efficiency to comply with regulatory standards

Test power supplies for efficiency to comply with regulatory standards
MATsolutions' insight:

 

Power supplies have been observed to have a large amount of energy consumption in the 1990s. To improve this, regulations were put in place to lessen the amount of consumption. Since they were put in place, the EPA has estimated that "external power supply efficiency regulations implemented over the past decade have reduced energy consumption by 32 billion kilowatts, saving $2.5 billion annually and reducing CO2 emissions by more than 24 million tons per year." While this is an improvement, it is important to test the efficiency of power supplies to ensure they are meeting the regulations - the power analyzer is the best tool for the job. 

 



Article Excerpt:

In the 1990s, experts calculated that without efforts to increase efficiencies and reduce "no-load" power consumption, external power supplies—the ones used to power everything from cell-phones to game consoles and laptops—would account for a shocking 30 percent of total energy consumption in less than 20 years. Power draw has improved, but now requires testing to prove that power supplies can meet regulations.

 


The difference between spontaneous emissions and stimulated emissions

The difference between spontaneous emissions and stimulated emissions
MATsolutions' insight:

 

Spontaneous emission and stimulated emission happen one after another and it often gets confused about which one does what. To clarify, spontaneous or stimulated emission is what happens when an atom's electrons drop from an excited state to a lower state, emitting a proton. Briefly put, spontaneous emission leads to stimulated emission, which then drops the electron to the lower state.

 



Article Excerpt:

The terms spontaneous emission and stimulated emission sometimes get confused. The term thermal emission sometimes gets thrown into the mix as well. Here are the basic definitions to help sort things out and the procedures for measuring these parameters.

 


10 Things You Must Know About Benchtop Digital Multimeters

10 Things You Must Know About Benchtop Digital Multimeters
MATsolutions' insight:

 

It's important not to take your benchtop digital multimeter for granted. You may not know everything you can do with it and the ways you can help maintain it. 

 



Article Excerpt:

So, you thought you knew everything about benchtop digital multimeters. Here are 10 things you may not be aware of, but are important factors in getting the most from your DMM.
 


Embedded World: Arm introduces fourth security element to PSA

Embedded World: Arm introduces fourth security element to PSA
MATsolutions' insight:

 

Arm has introduced a fourth security element to Platform Security Architecture (PSA), PSA Certified for security testing. This has been done to allow developers and device manufacturers to establish the security and authenticity of the data collected from IoT devices.

 



Article Excerpt:

In October 2017, Arm introduced Platform Security Architecture (PSA), a set of hardware, firmware specifications, analysis models an open source firmware r

 


Monte Carlo gone wrong

Monte Carlo gone wrong
MATsolutions' insight:

The Monte Carlo analysis provides a way for engineers to run a series of "what if" scenarios. It is a very useful tool when used correctly, however, it often gets misused. Using the correct method the right way will help you make sure you are not misinterpreting results.



Article Excerpt:

"This will likely come as a surprise, but the way engineers perform Monte Carlo analysis and assess the results, is likely incorrect. Misinterpreting Monte Carlo results can lead to the wrong technical and business decisions. While performing Monte Carlo analysis can help, you may be surprised to learn that there is more than one Monte Carlo analysis method you can use."



Testing Times Square on its busiest night

Testing Times Square on its busiest night
MATsolutions' insight:

 

It's not often that you have a large group of people huddled in one spot at one time. Times Square on New Year's Eve generates just the situation, with an estimate of 1 million people. Teams from Global Wireless Solutions got together and tested the cell phone service and data scores through the whole night to see how networks would handle the heavy traffic. 

 



Article Excerpt:

When the ball dropped on New Year's Eve, three teams from Global Wireless Solutions were testing carrier networks in New York's Times Square.


Sorry, Primary Kilogram, But We Are Dumping You

Sorry, Primary Kilogram, But We Are Dumping You
MATsolutions' insight:

 

After decades of research, the kilogram has been retired and replaced with a reproducible equivalent, the SI or International System of Units.  Now, none of the defining constants and primary standards are tied to a single physical artifact.

 



Article Excerpt:

The physical kilogram, the last of the physical primary-standard artifacts, has been made obsolete. The world’s metrology and standards organization voted to define all physical standards in terms of just seven universal constants.
 


Why Scientists Tried to Measure All of the Starlight That Ever Shone

Why Scientists Tried to Measure All of the Starlight That Ever Shone
MATsolutions' insight:

 

Interesting read about how scientists attempted to measure starlight to understand the rate of star formation over time. More specific measurements could make new discoveries and confirm (or deny) previous observations.

 



Article Excerpt:

Astronomers this week announced that they’d attempted to measure all of the starlight in the universe.
 


Oscilloscope technology and advancements – What lies ahead?

Oscilloscope technology and advancements – What lies ahead?
MATsolutions' insight:

 

Oscilloscope technology has grown rapidly over the years. With the continuing advancement of tech, it's easy to wonder what new updates will be made in the field of Oscilloscopes. What upgrades do you want to see be made in the future? 

 



Article Excerpt:

Oscilloscope technology advanced rapidly from its early 19th Century roots through the triggered sweep and digital/flat-screen transformation in the 1980s.

 


Scientists Build Atomic Clocks Accurate Enough to Measure Changes in Spacetime Itself

Scientists Build Atomic Clocks Accurate Enough to Measure Changes in Spacetime Itself
MATsolutions' insight:

 

The new clocks can detect how Earth's gravity affects time by an accurate measure of their location in the Earth's gravitational field. This is exciting development is sure to bring new innovations and exploration. 

 



Article Excerpt:

Physicists have created atomic clocks so precise that they can measure deformations in spacetime itself, according to new research.
 


Historic Vote Ties Kilogram and Other Units to Natural Constants 

Historic Vote Ties Kilogram and Other Units to Natural Constants 
MATsolutions' insight:

 

This historic move will inspire new technology and innovations along with more accurate measurements, and smaller costs to calibrating industrial processes and scientific instruments. 

 



Article Excerpt:

"A convocation of delegates representing 60 countries voted today in Versailles to implement the most significant change to the International System of Units (SI) in more than 130 years. For the first time, all measurement units will be defined by natural phenomena rather than by physical artifacts. The event was the 26th General Conference of Weights and Measures and was hosted by the International Bureau of Weights and Measures."

 


11 Myths About Formal Verification

11 Myths About Formal Verification
MATsolutions' insight:

Don't believe everything you may have heard about Formal Verification - especially if it is keeping you from using it. It can be very beneficial to use, so before avoiding it, read up on the myths and get to know the benefits. 



Article Excerpt:

"Formal verification, which uses mathematical analysis rather than simulation tests, has been available in commercial EDA tools for more than 20 years and in academia much longer. As with many new technologies, initial adoption was slow and limited to companies who had in-house formal experts. This has changed dramatically in the last dozen years or so. Almost every chip-development team makes some use of formal tools, and the market continues to grow. Nevertheless, some myths about formal persist, and they may still be deterring some engineers who could benefit from it. It’s time for the truth to be told."



Understanding oscilloscope bandwidth enhancement techniques

Understanding oscilloscope bandwidth enhancement techniques
MATsolutions' insight:

 

When you need your oscilloscope to have a higher bandwidth, it is beneficial to know the different techniques such as RIS, DSP boosting and Raw Hardware Performance that can help you. What technique do you like to use? 

 



Article Excerpt:

"Data communication rates have soared in recent years and there is every reason to believe that this trend will accelerate. Information speeds that were less than 1 Gb/sec have surpassed 10 Gb/sec. Optical communication is greater than 100 Gb/sec, with 1 Tb/sec down the road. RF wireless communications is in the mid-gigahertz range, and RF and optical communications comply with mandates by means of innovative types of modulation and low-amplitude signals. High-bandwidth oscilloscopes are required to debug these new system designs. As a result, oscilloscope designers are introducing instruments extending beyond 70 GHz."

 


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