Simple, two-terminal SMT (surface-mount-technology)-ferrite-bead components perform crucial functions in many systems. For example, one might suppress electromagnetic emissions from a power wire.
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Why do laptop chargers have cylinders? Understanding ferrite beads and electronic interference
The modern laptop is a marvel of compact engineering, yet its power cable often features a curious, bulky lump that seems almost out of place. Most users ignore this plastic-encased cylinder, assuming ...
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