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?????±?? : 2005?ê08??01??
  
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???????????à??PCB??SI/EMC(?????ê????/????????)?????¤?????????±???è????????????????×??ó?è???????????°??×??÷?÷??MCU??DSP?????í?÷?ó?à?¤×÷??100MHz????(???????????¤×÷??GHz??????)?????????????à??????I/O??????RF?°???????¤×÷??GHz???????????????????????????????÷????????PCB???????????????????ò???ù???????ì????????????PCB?è??±???????????±é???????¤??·??????????????????????????????ó??????80%???à??PCB?è?????????????????·????


?????????á????PCB?????¤????×????ú?ú???????§?????ü????PCB?è????±??????????????????±??×è?????????????ò??????????????????×è???????????á???????????ú?ú·??????????????á???????ê?????ú?ú???ó???°?ì???í??·???????????PCB?????????????ò?±??×????á?????à???????????à??×????ú?ú????×??·?????????????????????ú?ú??????EMC??????SI??EMC?????ù?á????PCB?è????????·??????????????ú?·????·????????????ó??

Yamamoto??EMC??
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??°?????????????????PCB?è????????×è???????????????????·±????·?????¤×÷????×??????÷??????????????????PCB???????????ó??±???×??????????????ì?????°??·???????????????SI/EMC???????÷???????????ú×??????????????ì??PCB?è????±???????????·?·¨???·±?????PCB?è???????¤×÷?????????ì???????????????è?????ò??????·¨?ú×????ì???±?ò???????ê???????ó??????±???????????°ü??·??????????¤???????·±??è????????


???°??????????°??ú???????àSI/EMC???????÷??PCB?è???¤????Cadence??Allegro PCB SI 230/630??EMControl??Mentor??HyperLynx??Quiet Expert??????(Zuken)??Hot-Stage??EMC Adviser?????°Altium??PCB Designer??P-CAD??


Cadence??Allegro PCB SI 230/630?á???????????ì???????ê????????????????·?°????ü???????ê????SI/PI(?????ê????)/EMI??????????????·?°????ü????????????PCB?è?????????????×?????÷?????????????????à??????????


PCB?????????÷????·??????????????????ù??PCB??EMI·??????á?????????????????????·±??ú?·?¨??EMC??????×???·?·¨????????????PCB????EMI?????????à???à?ù?????ù???????????????????ù(·?????????)??????/?????ù?????°?ì??(?ü????)?????????????§????PCB????EMI???????????????÷??????????/???????????°?ì???????ù????±????????????????????????ù????SI??????????/?????ù????PI???????ò??×?????EMC??????????±??????????·??SI??PI??EMI?è????????????????????EMC????????Cadence????????????????????????????????±í????


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???????????è???á????????EMC???????ó?????????¨??EMC?¤?????è????????????????????????????????Allegro???????????í?÷???è?????????????ò???±?ì?é·??????±???????????ò?è???????ó???ì?é?????¤?????????ì?é??????·???·??±·????????é??????Cadence?á????EMControl?¤?????ü?á????×????ú???í?ì?é????EMI/SI/PI???ò?????????????è????·?·¨?????????§???????????¨????·?????×??????÷?????ò??


????????????????EMC?¤??????°??ú?¤????????????EMI?????????????????°?????????????ê????×??·??·???EMI?§?????¤???????°????????EMI·????¤????·??±·???????±???°????????????ù±?????????????EMC??????????PCB?è??????????????EMC????·????è???×???????????????????????????ü????EMC?è???§?????????????????è????±????????ó?ó?á?????ú?·?¨??EMC???????ú?á??


Cadence???????????????????í?????????????÷???????°??????????????EDA?§???????????à??EMControlר???????????ò?ì?é·?°??????????§????????????SI??PI???°EMI?????????è???×?????????????????????????????????????????÷?÷??????????±????è??·?·¨??????EMC????????·?°??????????????????°????Cadence??Allegro PCB SI 230/630?¤?????????????????¨?????????ê?????±


Mentor?ù??????HyperLynx?????¤???×?????????????????è???÷????·????????ê???????????????????è???????ì????EMC?????????????íPCB?è???????????±??·?????????SI/EMC????????EMC·???·????¤??Quiet Expert?ò?÷?????????????°×¨???????±??·¨???°????·???PCB????EMC???????ü??????????????EMC???????????????????á?????????¨?é°??ú???§???????à????EMC???????????ü?¨??????????????·¨??±???????·??±??·??????¨?????ò??·??????????ì??


??????Hot-Stage?????????????ó?????????·SI/EMC/EMI????·????í??°ü???ü?????????í?÷??????????±à???÷???é??????·???±à???÷??·????÷??·?????±à???÷??????????????±à???÷×é?????ü??PCB?è?????á?????????¤???????é???????è???·??????????·????÷?????ê???±?ò?????ò??????????????·???·????????ù??PCB???ù±??è???????·?è?¨??????????PCB???÷?????·???????????????????????÷×è????????PCB???????????????°???????à?????÷?????÷???????????±???ü?????????ù???????????????????ê?????÷???????????????????÷?????????????????è????×???????????????


EMC Adviser???ù??ר???è?????ò??EMC·????¤?????ü?ù????????EMC?¨??·???·????¤??EMC Work bench??·?????????????EMC Work bench?????è???°?????????????¨??·????¤???ì?é??·???????EMI/EMC??????×???·?????×??á????24??ר???è?????ò???????????°?ó?à????????±?????????/?????????í???????????¨PCB?è???????????ù?????????ò?ì??·?±?????????????????PCB?è??????????EMC??????


??ר????EMC Work bench???óPCB?è????±???????SI/EMC???ù±??í?????ü?????????????????°???·???÷??·????????????í??·???±????????è???????????ù±????ó?ù?ù?????????ì???í?àPCB?è?????ù?±·??????????ê???á?????ú??????????×????íKenji Yamamoto?é??????EMC Work bench??????·???ר??????????EMC·????¤???????°??±?????±???????2%×ó?????¤?????????????ì?·?????????×?¤????


×??????????°Quiet Expert??HyperLynx??????·???ר????????????EMI·??????????ü???ú??????EMC Work bench????·¨?à?á?????????±Yamamoto±í????


Kenji Yamamoto×?????±í?????°???°???ò?¨??????????????????????????EMI/EMC·????¤????EMC?è?????ò??·?????????PCB?è???¤???????è?úEMC Adviser??????99%?????¨PCB?è?????±????????????????????PCB????EMC???????±


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??????????EMC?è?????ò?????????±?????????á???°?¨?é??SI/EMC???????????????????°???ù?§????????????SI/EMC·???·????¤??????????????·????§???????????????§???????????????????????ü???????????§??·????§????????????ר????????×???·?????????±???????


Yamamoto???÷???????°?????ù?????à±??????????í?????????????????????á??SI/EMC·????í???¤?????????????ò???§?á??ר??×???·?????????????·????????????????????????????????ú????±??????ú???í?à×?????SI/EMCר???????????§?á??·??????±


?è????????????????Cadence?ù??Allegro PCB SI 630×??????????ì??????GHz????PCB?è???????????ó?à????????????????GHz????????PCB?è???????????????¤?????????????????¤×÷????????GHz?????·????°??è?????????ü?????è???¤??????°????×??????EEsof ??Ansoft??????Ansoft Designer??HFSS??Nexxim??


??????Kenji Yamamoto???????????????????????°?????????ú??PCB???????è???¤???×??CR-5000?§???????·×????¤×÷??????GHz×ó?????§????PCB?????ò??????????°???????????GHz?????·?è??????Ansoft??°????×??????·????í????×????ò?????±???·???????????ü???????±???????°CR-5000?§?????í????°??????è??·???????????????????????°????éPCB·??????????·??·?????????·?????????·???×??è??·????????ó????°????????????????±


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