标题: ±í???????????? [打印本页]

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作者: candence    时间: 2004-9-7 19:06     标题: ±í????????????

1??°?×?±í?????????é??????×÷?????????¨??VCC??GND???à??????×÷??

2???±PIN????±í?????¨?¨????±í???????é??????GND?????é?????????????è????????

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作者: zing    时间: 2004-9-7 19:14

1????
2??PIN±????????????????????è?????è??

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作者: candence    时间: 2004-9-7 19:54

???????????¤?????ò???×°???

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作者: apple    时间: 2004-9-7 21:48

????????????????????net?????????è???????×???¨

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作者: candence    时间: 2004-9-8 14:58

????·?±???:Top,GND,VCC,Bottom, ??????TOP?????????é???¤,·???net????GND???ó,apple??????????????via??????GND????????.????????????????:
1.VIA?????????à???????ù????×??ò???????
2.?????????é???¤???§???÷????????(PIN)?????è????GND????,???????????±???????????????é???¤????????,???????ò???????×?
3.??????·??????ó,??·??????±?ò,×??á??????????????????·?????????,?????????????·???????ò,???????????ü????????°ì·¨???

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作者: smile    时间: 2004-9-8 15:27

1.?????????à???????????????????ò???×?????????é????GND???????????????????????ò????????????°??????¨????????????????????????????°????à?ó???×???á?????????à???????ó????????????×??????????????????¨???????ù????????×????í????????????
2.???¤?????§?????±?????????????????????????????¤???ò??N???×????????
3.???????????????????????????????????è??????·????????????????·?????á??????????DRC????????????????????????DRC??????°ì·¨?????è???à???¨????±????????à±?????8mil???????????????·????·???????pin???à??????10mil???????????????è???÷?????à??8mil????????????10mil??????????????·????????????????????¨??????????????????°??ì??????????????????????°??ú????

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作者: candence    时间: 2004-9-8 16:36

line spacing:?????à,?????????????
primary gap?:????????·????????????????
neck gap:??×????

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作者: smile    时间: 2004-9-9 12:22

line spacing ???????????????à?¨????????
primary gap ???????????????¨air gap??
neck gap ???????????è???????????à

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作者: candence    时间: 2004-9-9 16:18

??????VCC??????????°??

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作者: ????    时间: 2004-9-9 16:31

??top????bottom?????ù????°?????°????¨?é×?????

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作者: candence    时间: 2004-9-9 16:34

?ü???á??VCC????COPPER?????????????

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作者: candence    时间: 2004-9-9 16:54

?á???á??COPPER????????????????á????????????,?????é?????è????,??ALLEGRO?????????????????

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作者: ????    时间: 2004-9-9 17:38


???±????±???copper°???±????????à?????ó??????°???????20mil????;

?????á????
×?????pin?ò??via????????·????????·°????????à??????·???×ê?×???????°????????·????×?????????ú?·????????????????????·????? ?á???????ú??????±????á?á?????à???????á?á?????·?????????¨?????????°???¤??????????????????????±?????????

Allegro???????á????·?·¨??
Route????Gloss????Pad and T Connection Fillet???è?¨
Max Size???è?¨?????????á????PAD×??ó????????°??ù?è?¨??100mil,??PAD?????????????????????????á????????PAD????

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作者: candence    时间: 2004-9-14 11:49

line spacing ???????????????à?¨????????
primary gap ???????????????¨air gap??
neck gap ???????????è???????????à

1?????????????????????±?????è?¨??
2????·??????¤???????±?ò??????????????·???????gap???à???ó???÷?????????????à???????????????ù?????????????÷?????????????????±?ò???????á???????ó±ê±???DRC???í?ì?????±?ò????×????±?????ê???ó???????ù?????????ó?????§?????????????è??????????°??? ????????·??????????????????????????ù?????????????????????????????????ó±ê???á±????????ù??????????×???
[???ù±?candence??2004-09-14 11:57 AM????±à??]

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作者: smile    时间: 2004-9-14 12:03

1??°??°???????è????????????????????????????×???
2???????¨??????·????????????á?????????é???????????????è??????????????????????·???±????¨?????¤???ò?????????????ó?????ù???????????????±?òallegro?á????·????á?????????????±?????????????±?ò???????á???????á????????°??ì?????????????????ó?????????ò?????????????ó??

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