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How To Eliminate EMI Interference

“How To Eliminate EMI Interference In Security Cabling.”

How To Eliminate EMI Interference In Security Cabling.

How To Eliminate EMI Interference – How do you eliminate EMI interference induced from AC cabling, high voltage plant or switching gear in security cabling?

One of the best ways to eliminate EMI interference is removing it before it enters equipment. You can achieve this with snap-on EMI suppressors. These toroids put large high-frequency impedance in series with wires, blocking EMI’s passage into electronic equipment.

There are a few options, and the variations relate to toroid composition. Ferrite 43 will create impedance of 20 Ohms at a frequency of 20MHz, 40 Ohms at 120MHz and 90 Ohms at 30GHz. If there are problems with lower frequencies ferrite 73 helps out around 10MHz. Any other frequencies on the protected line will travel through the toroid without disturbance.

When thinking about how to eliminate EMI interference, consider that snap-on toroids are comparatively inexpensive are easy to install and can be carried by a tech easily, when commissioning or trouble-shooting an electronic security solution.

How To Eliminate EMI Interference
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“How To Eliminate EMI Interference In Security Cabling.”

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