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是excel格式的。
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" F$ E5 I+ f8 n3 b1 ~9 x$ A0 cTrace Width Calculator
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User Inputs: _! P6 u. E3 y
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Current: I 1 [Amps]
- w5 ?% Q y# W" `; I! _Temperature Rise: ▲T 10 [Degrees C]; i9 C# Z8 a; q4 J$ }7 U& X1 D
Conductor Thickness: t 1 [oz. per sq. ft.]
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8 l% a+ L" j! }. nResults:
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3 M. A+ Q/ w4 X% v, @6 q* YInternal Layer Results:
8 H- L: S& T' t/ F- b$ r+ K; y% }Required Trace Width: Wi 39.86495008 [Mils]
7 p( M) }2 U' ~9 r* i1 o) A* tCopper Area: 54.93390121 [Square Mils]4 s, Z5 d; {; W1 I& i+ ^
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/ r6 f8 l q# qExternal Layer Results: " Q8 Y9 ~- k$ ~. t
Required Trace Width: We 9.798650996 [Mils] 9 @, G' @1 E' Y0 F( H8 P
Copper Area: 13.50254107 [Square Mils]
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, w: [$ s; O( o7 U. k4 k% GNOTE:8 y' b& l( `0 H/ }8 V0 \- v& v( H- C
These Formulas are approximations!
, O/ }' \& o+ Z( ~1 U& e0 xThey should not be used when a high degree of accuracy is required." f$ _# s6 L& u8 i
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发表于 2008-3-20 17:14
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支持！
反对！
发表于 2015-7-17 07:18
