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是excel格式的。
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Trace Width Calculator
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User Inputs:
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Current: I 1 [Amps]
) j0 K' s6 W5 `+ x gTemperature Rise: ▲T 10 [Degrees C]. u r5 a8 T* M- P) I
Conductor Thickness: t 1 [oz. per sq. ft.]
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. b# Z! \4 R$ M8 F fResults:7 m0 P. `# I& v" x# U# s
$ q. N) {% |( O& j" C NInternal Layer Results: 2 N( N# E: J: U% L0 u h
Required Trace Width: Wi 39.86495008 [Mils] 8 e! W. i9 |4 J% B, X1 I
Copper Area: 54.93390121 [Square Mils]
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3 F' x' G1 W% }. a& PExternal Layer Results:
+ i8 ]+ C# y' X# F" U9 iRequired Trace Width: We 9.798650996 [Mils] : \% `, G y9 e* R3 t
Copper Area: 13.50254107 [Square Mils]8 D! r: v% f4 @, L
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NOTE:3 l( F7 |% c: s6 @% }
These Formulas are approximations!; f$ r0 y6 E* Z' |) ~; f
They should not be used when a high degree of accuracy is required.9 F3 |/ Q# z: C' O' n0 l( a% w
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楼主: Allen
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发表于 2015-7-22 15:12
