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是excel格式的。
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Trace Width Calculator! N/ h5 G _ s3 C+ \+ a
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& v4 D& q+ v* u: z- C; c& X5 HUser Inputs:
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Current: I 1 [Amps]6 q8 R* ~( g9 I' x# V2 d# q
Temperature Rise: ▲T 10 [Degrees C]
1 ?. F7 c) k' QConductor Thickness: t 1 [oz. per sq. ft.]
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5 w# D+ r8 U: M& N$ c9 j/ UResults:0 H6 M' D3 n! P* d5 L
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Internal Layer Results: , E- e( f4 E2 x: d9 M5 v
Required Trace Width: Wi 39.86495008 [Mils]
; R. P+ Q% U, m4 X* fCopper Area: 54.93390121 [Square Mils]
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& o* l; F0 Z. dExternal Layer Results:
" l" i% S5 M! _* XRequired Trace Width: We 9.798650996 [Mils] # S- W ?: p: a4 A
Copper Area: 13.50254107 [Square Mils]1 I8 I7 C- J& q6 u8 s) G( c2 U
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9 `' M$ C; d. x2 VNOTE:
+ c% Y/ }0 n0 @& BThese Formulas are approximations!
, b8 c# p8 [0 E# ^; ?They should not be used when a high degree of accuracy is required.
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发表于 2008-3-20 17:14
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反对！
发表于 2015-7-17 07:18
这么多的功能吗？下来好好看看~谢谢LZ提供这么好东东
发表于 2008-3-20 18:10
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