The difference between radiated and conducted EMI, why they are measured over different frequency ranges, and how to choose the right fix for each.
A balanced comparison of nanocrystalline and MnZn ferrite cores for common mode chokes, covering size, saturation, impedance, temperature and cost.
Why common mode chokes have leakage inductance, how it filters differential mode noise, why it can saturate the core, and how winding style controls…
A practical route to passing conducted emissions: what the standards ask for, how to run a pre-compliance scan, and which fix suits each part…
A five-step checklist for selecting a common mode choke: electrical ratings, impedance, core and winding, thermal and safety fit, and sample verification.
A practical five-step method for designing a mains or DC input EMI filter, from the first LISN measurement to damping, layout and final verification.
How to filter EMI in LED drivers where space, heat, power factor, dimming and the absence of an earth connection all constrain the design.
Why variable frequency drives generate EMI, how the noise travels through cables, motors and earth, and which filters and installation practices control it.
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