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EMI-EMC Analysis and Noise Reduction on PCB

EMI-EMC Analysis and Noise Reduction on PCB

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� Probe placement <str<strong>on</strong>g>and</str<strong>on</strong>g> Impedance<br />

measurements<br />

� Need c<strong>on</strong>nectors; difficult to place<br />

in crytical points of <strong>PCB</strong><br />

� Timing of Digital lines<br />

� Laborator measurements;<br />

different instruments needed<br />

(oscilloscope; logic analyzer etc.)<br />

<str<strong>on</strong>g>and</str<strong>on</strong>g> difficult to place many probes<br />

� Near Field Calculati<strong>on</strong> probying all<br />

over the <strong>PCB</strong><br />

� Manual Probe or Near Field Array<br />

Scanner measurements needed<br />

� Emissi<strong>on</strong> Tests<br />

� Anechoic chamber measurements<br />

<strong>PCB</strong> Prototyping<br />

MEASUREMENTS<br />

PERFORMED<br />

<str<strong>on</strong>g>EMC</str<strong>on</strong>g> Issue?<br />

DESIGN<br />

SYSTEM<br />

MANUFACTURE<br />

PROTOTYPE<br />

TIME & COSTS INCREASE !

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