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Arturo Mediano

Arturo Mediano received his M.Sc. (1990) and his Ph. D. (1997) in Electrical Engineering from University of Zaragoza (Spain), where he has held a teaching professorship in EMI/EMC/RF/SI from 1992. From 1990, he has been involved in R&D projects in EMI/EMC/SI/RF fields for communications, industry and scientific/medical applications with a solid experience in training, consultancy and troubleshooting for companies in Spain, USA, Switzerland, France, UK, Italy, Belgium, Germany, Canada, The Netherlands, Portugal, and Singapore. He is the founder of The HF-Magic Lab®, a specialized laboratory for design, diagnostic, troubleshooting, and training in the EMI/EMC/SI and RF fields at I3A (University of Zaragoza), and from 2011, he is instructor for Besser Associates (CA, USA) offering public and on site courses in EMI/EMC/SI/RF subjects through the USA, especially in Silicon Valley/San Francisco Bay Area. He is Senior Member of the IEEE, active member from 1999 (Chair 2013-2016) of the MTT-17 (HF/VHF/UHF) Technical Committee of the Microwave Theory and Techniques Society and member of the Electromagnetic Compatibility Society.

From This Author

Ringing with High Quality Components

Many EMI and SI problems are related with a combination of inductance and capacitance without losses.

Evaluate Shielding Effectiveness With Your VNA

The effectiveness of different materials for shielding can be tested using near field probes and your vector network analyzer (VNA).

How High Frequency Filter Response Can Be Destroyed

If your EMI filter is failing in high frequencies, check the frequency response of the components: parasitics limit the filtering effectiveness.

Using Capacitors in Parallel: Dangerous?

For many applications, especially in digital designs, you can see decoupling networks composed of several different (big and small) capacitors in parallel. But, sometimes this technique can be dangerous.

To Avoid Problems, Work as Slow as Possible

You can minimize your EMI/EMC and SI/PI problems by working as slow as possible. This is very well known advice from many experts, books, and seminars: you can minimize or solve electromagnetic interference (emissions/susceptibility) and signal or power integrity problems working as slow as possible.
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Use The Eye Diagram to Check Your Connections

Discover the eye diagram, a very useful visual tool to analyze the quality of your connections in digital and high frequency applications.

Ferrites to Kill Ringing or Not?

Sometimes a ferrite is used to remove ringing in some applications as in power electronics or digital circuits.

Orientation Is Relevant For EMI/EMC Filters

When designing an EMI/EMC filter the orientation relative to source and victim is critical for high effectiveness. Can you save components in your filters?

EMI Debugging: If You Can See It, You Can Fix It

If you are a novice designer of electronic circuits, this is one of the best pieces of advice I can give you from my experience in EMI troubleshooting and training.

In EMI/EMC, Never Say “Nothing is different from previous version”

Take time to check for EMI, efficiency, temperature, safety, immunity, or any other requirement in your product.
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