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是excel格式的。( B& i1 m* p: V, j; U
4 g* ]# u# s: v" k! u" Y3 NTrace Width Calculator" V1 F! z, N" M) l4 {! u/ t
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' J% p& t% t R; YUser Inputs:- J, m+ i3 P M4 b" l
* Z% M# g) ~) N6 a! SCurrent: I 1 [Amps], Y& x9 o6 Z; [ i8 U
Temperature Rise: ▲T 10 [Degrees C]9 v* k& ~% s, t4 o: p. h
Conductor Thickness: t 1 [oz. per sq. ft.]
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$ C% V! A2 w- B* M0 z: CResults:- \) X% _- I) U/ h7 S6 `7 q! w3 t
9 W; m+ ? n/ e5 [4 F1 D
Internal Layer Results:
- Y: z8 j3 G. t- @ F3 g% KRequired Trace Width: Wi 39.86495008 [Mils]
$ L( f# M/ \! Y9 U) nCopper Area: 54.93390121 [Square Mils]
9 W2 D1 ^4 ]+ @9 Z
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3 R/ {4 W! Z" ~4 N+ ] eExternal Layer Results: $ ?5 `) x0 x6 {
Required Trace Width: We 9.798650996 [Mils] ' x9 J, R. i9 q2 S" b0 E
Copper Area: 13.50254107 [Square Mils]
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NOTE:
$ s& M8 a4 ? C {4 y, ?2 |These Formulas are approximations!
( E2 ]' d/ v8 c8 E, n$ j. ^1 ~# ^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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