EMI-EMC Analysis and Noise Reduction on PCB
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 !