The main goal of EMC design for PCBs is to minimize electromagnetic radiation and ensure compliance with standards, involving the suppression of both differential-mode and common-mode radiation through careful design of circuit board traces, signal loops, and component placement.
Most hardware engineers currently rely solely on experience for PCB design, facing challenges in debugging due to inaccessible signal lines. EMC testing in standard facilities primarily focuses on external radiation, leading to iterative modifications and delays. Simulation tools often lack accurate device models, hindering effective EMC and SI simulations. The determination of signal return paths in multi-layer PCBs is complex, influencing electromagnetic radiation. However, near-field scanning methods like Emscan offer a solution by detecting high-frequency currents, aiding in identifying EMI problems before standard tests.
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High-quality PCB boards must meet installation, electrical connection, line width, copper skin, oxidation, electromagnetic radiation, shape deformation, environmental resistance, mechanical properties, solderability, and durability requirements. WellCircuits Limited is a qualified manufacturer specializing in high-precision circuit boards to meet various customer needs.
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