Welcome to this installment of EE Classroom on EMI and RFI
Electromagnetic interference. Radio frequency interference. It’s all interference to you and your design unless you have a near-constant vigil of what can be causing it and what steps to take to avoid it. And, of course, this isn’t the type of interference that is simply annoying; it can be mission-critical. It’s the type of interference that can disrupt electronic devices, equipment, and systems ranging from cellphones to solar cells on spacecraft.
Now is the time to drop-in to this classroom and get up close and personal with EMI and RFI. Get a basics refresher, a standards lowdown, and tips on testing — the understanding of which can also be mission-critical to your design.
So shut the door, turn off the phone, hang up a do-not-disturb on your door while you read through these tutorials. Make this your own personal design of non-interference.
Senior Editor, EE World Online
EMI & RFI Classroom sponsored by:
Basic • Standards
When EMF becomes EMI
What is EMI and how can you prevent it?
Conducted and coupled EMI/EMC concepts
With signals at radio frequencies (RF), mutual inductance becomes more of a problem than resistance.
EMI is an electromagnetic emission that causes a disturbance in another piece of electrical equipment.
Reducing emissions also often results in lower EM susceptibility and improved system performance.
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