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Columns

Transmission Line Reflections at a Discontinuity

In this article, we consider the effects of a discontinuity along the transmission line which occurs when the transmission line characteristic impedance changes.

5G & IoT

This article reviews some of the current thinking with regard to IoT. The range and scope of IoT is truly enormous so we’ll take a stab at the opportunities in for us EMC and wireless folks.

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.

Markings and Other Aggravations

Why? Why is it that one of the biggest aggravations in product safety is that of markings? For some reason, it seems that we can never get the markings right the first time. Furthermore, it seems that markings that have been acceptable for years will suddenly go bad.

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.
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Languages and Your Product Safety Labels

The question of whether or not to use additional languages on your safety labels can be a complex one to answer.

Transmission Line Reflections at a Resistive Load

Consider a transmission line of length driven by a constant voltage source with a source resistance, and terminated by a resistive load.

Fire Prevention

The best solution to fire - any fire - is to prevent fire in the first place.

Are You RED-dy?

Come next summer, there’s a new song playing in Europe and if you want to tune in your radio products, you’ll have to go RED. June 12, 2017 is the magic date. (Reader caution: If you’re just getting into this topic, be ready for a barrage of acronyms...)

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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