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In Compliance is a leading source of news, information, education, and inspiration for electrical and electronics engineering professionals.
How to Measure Spacings on a Printed Circuit Board to Ensure Safety
https://bit.ly/3z2oq6z
This blog by Don MacArthur discusses how to measure creepage and clearance distances on printed circuit boards (PCBs) to ensure safety. It covers definitions, design guidelines, measurement techniques, and tips for compliance engineering in electrical product safety.
3-D Modeling and Characterization of Ferrite and Nanocrystalline Magnetic Cores for EMI Applications
https://bit.ly/3X4sjji
Ferrite and nanocrystalline magnetic toroids are commonly utilized in interference suppression part of electromagnetic compatibility (EMC), but their implementation is often based on a trial-and-error approach...
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📖 Have you seen the article by IEEE EMC Society Historian Dan Hoolihan in the latest issue of In Compliance Magazine? Check it out here: https://bit.ly/3X4lqj7
The Pioneers of Today’s EMC Society. The Contributions and the Legacy of the Society’s Founding Members.
https://bit.ly/4fverXE
In the mid-1950s, a group of professionals in the electrical engineering specialty of radio frequency interference (RFI) began to formulate the idea of creating an organization devoted to their specific technical area of expertise.
Military and Aerospace EMC: Bandwidths Used in Measurements
https://bit.ly/3LHVJi0
The blog discusses various types of bandwidths used in EMC measurements, including receiver bandwidth, resolution bandwidth (RBW), and video bandwidth (VBW). It explains their differences, importance in testing, and challenges in measuring low-amplitude signals at high frequencies.
Understanding the New Capabilities and Regulatory Compliance Testing Requirements for Wi‑Fi 6E & 7
https://bit.ly/3LxUu4S
Wireless connectivity has had such an impact on how we conduct our daily lives.
Product Insights: Non-Ideal Behavior of Passive Components
https://bit.ly/3Y8gRVW
Passive components can go rogue beyond expected frequencies, resulting in parasitic effects sabotaging EMI suppression. Designers beware, a passive component's non-ideal behavior requires strategic handling.
Practical Engineering: Material Group Selection and How it Affects Spacings
https://bit.ly/3zA6lN1
Often overlooked during the development of appropriate spacings (creepage distances) for safety-certified products is the failure to account accurately for the material group of the components involved. This oversight can have significant implications. Let us briefly explore this issue to raise awar...
Military and Aerospace EMC: Why and How We Use LISNs
https://hubs.ly/Q02DHmld0
Uncover the crucial role of LISNs - the unsung heroes ensuring reliable electromagnetic testing in aerospace. This insider look reveals their ingenious design and why standardization matters for replicable results.
Product Insights: Differential Probes
https://bit.ly/3XBcumg
A differential probe is an active device used to take measurements of certain circuit elements of electronic devices. They are most often used in conjunction with an oscilloscope. Key features and applications of differential probes are summarized in this article.
We are thrilled to be exhibiting at the International Microwave Symposium in Washington, DC. Stop by booth #311 to sign up or renew your free subscription to In Compliance, grab the latest issue and that favorite t-shirt. We look forward to connecting with our engineering community.
Capacitor Safety Considerations
https://bit.ly/3KN3Lpi
You know that feeling when a capacitor’s datasheet claims one thing, but NRTL’s online certification directory tells a different story? This blog is all about that - specifically a capacitor rated X1 and Y1, but the certification directory only showed X1. Moral of the story? Double check those c...
Vulnerabilities of LTE and LTE‑Advanced Communications
https://bit.ly/4epfWGn
Demand for high-volume data streams in the current market for modern wireless communication systems is growing at a fast pace. In order to keep up with the trend to higher throughput requirements within unchanged bandwidth limitations, long-term evolution (LTE) technology has become a popular soluti...
EMC Bench Notes: Troubleshooting with RF Current Probes
https://bit.ly/3Xbsjjm
Ken Wyatt explores a more advanced troubleshooting tool for assessing radiated emission issues, the RF current probe. These are most useful for measuring RF common mode harmonic currents on cables.
Military and Aerospace EMC: Portable Electronics Onboard Aircraft – Part 2
https://bit.ly/3wCrDJ3
Committee SC-202, comprised of over 100 members from various industries, was formed to address safety concerns related to the use of transmitting portable electronic devices (T-PEDs) like those with cellular and wireless capabilities on an aircraft.
Functional Safety: Overview and Methods
https://bit.ly/3WLS5uc
Functional safety (FS) is a complex, and oftentimes a confusing, subject even for those familiar with product safety and certification.
The 5-Hour Rule for Career Advancement and Overall Life Satisfaction
https://bit.ly/3WESgrh
The 5-Hour Rule, a simple concept many successful people use, is a solution to making the time for honing and developing new skills.
Do Measurements Validate Simulations?
https://bit.ly/44CNCMr
I expect the title of this article might raise a few eyebrows! It is very common for people doing simulations to make a measurement of a similar set up to validate the simulation.
Practical Engineering: Creepage Distance of an Optocoupler
https://bit.ly/3yb4pKd
This month's blog is pulled from the product safety playbook. It highlights a potential issue to avoid when considering an optocoupler's creepage distance when placed onto a printed circuit board (PCB).
EMC Bench Notes: Interpreting Emissions Using a Near-Field Probe
https://bit.ly/3Wtk9Ck
Most engineers are familiar with near-field probes and that they are sensitive to E- or H-fields emanating from circuit boards, cables or enclosure seams. They are really the first order of business when evaluating a circuit board or system.
Patrick Andre looks at the potential risks of personal electronic devices interfering with aircraft systems and the efforts by industry groups to address this issue.
Military and Aerospace EMC: Portable Electronics Onboard Aircraft – Part 1
https://bit.ly/3w8npbH
Patrick Andre looks at the potential risks of personal electronic devices interfering with aircraft systems and the efforts by industry groups to address this issue.
Methods and Effects of Magnetic Pulses on the Magnetoreception of Birds
https://bit.ly/4aK9pnA
The Earth’s magnetic field is a dipole that acts like a large magnet, with its poles relatively near to the geographic (rotational) poles.
The Most Important Skill to Develop as a Compliance Professional
https://bit.ly/3VZDkUg
There is one important skill to develop, over and above all others, that makes life much easier, sets you on a path toward success, and increases your status as a true compliance professional.
Increasing Correlation of Testing of Battery and Fuel Cell Powered Systems with Their Real-World Applications
https://bit.ly/4aREt4o
Today’s communication, transportation, and power delivery systems all depend on the extensive use of batteries to keep them functioning in a safe and reliable manner.
Standards for Electricity Meters and Other Similar Devices
https://bit.ly/3vNMPeu
Electricity meters and other similar devices have their own set of unique standards and requirements.
Complying With the EU’s EMC Directive Without 3rd Party Testing
https://bit.ly/43QK3lc
A common path to achieving compliance to the European Union’s (EU’s) EMC Directive 2014/30/EU (which I shall call the EMCD here) takes many manufacturers down the route of utilizing a third-party EMC test laboratory to obtain EMC test reports for their products.
EMC Bench Notes: Embedded Processor Characterization and Design Review
https://bit.ly/3J8f9vk
Let's use the basic tools and spectrum analyzer setup described in the last two months and use them to characterize an actual embedded processor board based on the Arduino design.
The Importance of ANSI C63.27 in Wireless Coexistence Testing For Connected Medical Devices
https://bit.ly/3PLYCAJ
Communication has advanced at an unbelievable pace in the 150 years between the Pony Express and the advent of the internet.
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Annual Chicago IEEE EMC MiniSymposium (see our photo albums for more photos)
Last week we enjoyed a fantastic EMC course taught by Henry Ott.
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