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For questions about electromagnetic interference (EMI); see also the [emc] tag.

4 votes

Are Wi-Fi 'transparent' buildings superior to antennas mounted on the exterior?

Reflection is the bigger hazard in infrastructure planning because it results in interference. It's like trying to have a conversation in an echo-producing cave. …
DrFriedParts's user avatar
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15 votes
Accepted

Why does a simple conductor start to emit EM waves when carrying a signal?

The voltage would keep increasing further down the wire as you reduce the voltage in the nearby section (interference results, which is hard to visualize with just these simple figures). …
DrFriedParts's user avatar
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3 votes
Accepted

I2C on FFC or IDE cable - interference?

Use the tandem shielding approach. Ground in between each line... Going across the cable: G, S1, G, S2, G, S3, ... That's the easiest and it will definitely help, probably enough to solve your probl …
DrFriedParts's user avatar
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