Abstract—A rigorous mathematical analysis and a comparative study of carrier-frequency modulation (CFM) techniques for the conducted electromagnetic interference (EMI) suppression in pulsewidth-modulated converters is presented. CFM techniques dither the
624IEEETRANSACTIONSONINDUSTRIALELECTRONICS,VOL.49,NO.3,JUNE2002
TABLEIII
INTERACTIONOFTHEnTHHARMONICIN
S
fkHzand =2.(b)
fno
fffnnkHzand
nuffrnnn
=61
f
=9
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