标题: PCB???·°????è???????????? (???§???? [打印本页]

---

作者: apple    时间: 2004-2-25 13:38     标题: PCB???·°????è???????????? (???§????

PCB???·°????è????????????
????1????????????·?×°???ü??????????????±???

????????(1)????·?×°?????????????????????·°??±?ù??????????????????????
????(2)????·?×°????????????????????????????????????·?×°???????????????????ò??????????????????????????????·?×°???í??·???????????????????????????·?×°????RES2?ú±í??×è???ü??·?×°??????AXAIL0.4 ??AXAIL0.3 ??AXAIL0.6???????ù?????????????????±??????????????????????????????????·?×°??
????(3) ??????·?×°???????è?????·???±???¨??????????????????±í?±???¨???è?????·???±???????????????????°?ò????Footprint?è?????????¨??????????????????±í?±?????????¨????·?×°??

????2????????·?????????????????±???

???????????????????¤×??????ò?????????????????÷?????????????????·°?×?????????·??????????·°??è???????§????????????????????????
?????????????????í??????????????????·????????¤??????·???????????????±í?ó???????ù?????ò?ú??????????????????????????????
????·?????????????±???????±?????·??????????????????????????ü??????????±í?????÷?????????????????????????????????????????????ò???ù??·????????????????????????????????????????????????????????·??
???????????????????ù????????????????°ü?¨???????ò?????á???????±????????????????°ü?¨???????à??????????

????3??????????????????????±???

?????????????????????????????×?ì??????????????????????????????????°??????????????????????????????????????ò??????????????°??é?????????????ü???????????¤??????

????4????????????????±í??????????±í??????????????±??? ??

????????????±í??????????±í??????????±í??·???????????±í????????????±í????Sch?ò?????????í???è???í???ú???????í??????±í??????????±í???ù????????????????±í???????????ó??±?PCB??????????????????????±í????????????????????????±í???ê??????????????????????????±???????·???

????5??????±í???í?÷??????×÷???? ??

??????????????????????±í??????????±í???????????????????????í???è?????????????????????·°??è??????PCB????????PCB?è???????????????ù??±????????????¨???????ê(Netlist Macro)???ê?????????¨??±?????·???????±í??????PCB????????????????×????ú?ú?????ê??
??????????????????????±í???í?÷?±????PCB??????±à?????·°??÷??×é????????????????????????±í??

????6?????????à???????à?????????????????? ??

?????????ù???à???????????à????????????×é??????????PCB???à?¨?????????§??·????????§????×????¨???à???????°?à??×é???? PCB???????à?÷????????×÷????
????(1) ±??????? F?????·°??????????????????????è??×÷?????????í????????????????????????±??????·°???????×é?????????????????±?ù?ù?è?????ó??????????????????×é??????°??????à???????????????????é???????à?????è??×???????°??????à???ò?±???????????à?í???????ò???????????±???ó°??????à??????×????????±???????à?????ù??????????°??????à??±????ó???????·°??????????????????????????ù?ù?è???????????·±??????????????????????????????????é?????à?????è??×????????????í???¨Width??Constraint?????ò?±?????????????à?í???????ò???????????±???ó?????í????????×????????±???????à???????????????????á±??í??
????(2) ±??????í???·°?×é?? F?????????ó???????·°????ü?????????à????·?×°?????????§???ò?????????????????????à??????·?±??????í???·°????????????·°??????ù???????????é?à?????°???????????????±?????è???????????????à???é???????????????????·°??????ù????????×è?é?à?????°????????????×è?±?????è????????????×è?à???é????????

????7?????????????????????????????? ??

???????????????????????????·°????????ó???÷???????ò???????????è?????°?ò????Advaced????Net?????????????????????????ê????????·?????

????8??????·??????????????? ??

????????·??????????????????????????????????????·?????????á?????????????????????????????·??±??¤×÷????

????9??·ó????????×÷????????×??????????? ??

????????·ó?????÷??×÷?????á?????·°??????????????????????????·????°ü?????ò???á????????·ó??????·???×??ó??????

---

作者: zona    时间: 2004-2-26 11:05

?ó???????????????????ú?°?ó??°??±????

---

欢迎光临 我要委托设计网论坛 (http://51odm.com/fourms/)

Powered by Discuz! 5.5.0