CISPR 25
The 3 articles in the technical library tagged "CISPR 25", newest first.
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How to Build an Automotive EMC Test Item Checklist for 12 V Systems - Two Axes, Not a Copy of the Annex
An EMC test item checklist is not a copy of a standard's annex. Emission and immunity are two independent axes, and 12 V supply, interface type and mounting location each decide which items to keep and which can be cut. This article explains how the list is built and the five items most often missed, with all conditions referred back to the standard clauses and the technical agreement.
CISPR 25 vs GB 18655: what actually differs, and which one automotive electronics should cite
The two standards are technically near-equivalent; the differences lie in the frequency ranges covered, the strictness of the limits, and which one domestic regulation cites.
What automotive EMC testing actually measures: radiated and conducted emission explained
Automotive EMC testing asks two things: will your product interfere with others, and will it be interfered with. Radiated emission looks at the electromagnetic waves leaving through space; conducted emission looks at the noise travelling back along the power lines.
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