标题:
zt:PCB Layout????×???????
[打印本页]
作者:
tany
时间:
2005-12-23 00:02
标题:
zt:PCB Layout????×???????
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1?? ?±??×???
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C=61W(Er)1/2/Z0
??????????C???????????????§?????¨??????pF????W??×??????í???¨??????inch??????r???é?????é????????Z0???????????????÷×è??????????×???????????4Mils??50?·?·???????¨??r??4.3?????????????±???????????????ó????0.0101pF?????????????????????????????±??±???????
T10-90%=2.2*C*Z0/2 = 2.2*0.0101*50/2 = 0.556ps
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2?? ??·?×???
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3?? ??????
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2?? ?????????¤??Lp???±??±???Lp???±???ü?ò?????????????±???±???ú?ú????????????±?????
3?? ??×????¨Strip-Line???ò?????????????¨Embedded Micro-strip???????????????????????????±????????×????¨Micro-strip?????í????????×??????á?ò???????????°?ì??????????
4?? ???????°???±?ò???ó??????????????????????????×?????????????????????·??§??òê??×?????
5?? ??????????????????????????×??????????§???????à????????????
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7?? ???±????????????×?????·?????????????·???±í?÷?????§??????????????????×?????
zt
CB Layout????×???????
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