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是excel格式的。
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; @6 I( I7 T3 r5 N: Y- O) ~( e/ BTrace Width Calculator0 O( H+ H* o& M7 x7 N5 q. m, u6 {
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) D/ t4 a, [& j" `User Inputs:' ~- a9 ~& O5 w: y* K
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Current: I 1 [Amps]
1 ]( f' { W3 F6 k# H2 h' fTemperature Rise: ▲T 10 [Degrees C]: d$ [( m2 z. V2 d% `4 A
Conductor Thickness: t 1 [oz. per sq. ft.] 2 S4 c% e+ l3 T- r+ C( J0 u
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+ c$ p9 U C& V8 A& v; o; j3 SResults:
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+ a' v/ n0 p$ Y' A4 j. W3 zInternal Layer Results:
+ v" G6 t# z% [Required Trace Width: Wi 39.86495008 [Mils]
/ ]- R! \0 U* ^0 ^Copper Area: 54.93390121 [Square Mils]
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\' P$ @$ M( t) cExternal Layer Results: * g7 }2 d. ~1 |
Required Trace Width: We 9.798650996 [Mils]
t! C' Y6 b& oCopper Area: 13.50254107 [Square Mils]
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These Formulas are approximations!
# z" m* @3 X3 ^' ^1 k" RThey should not be used when a high degree of accuracy is required.# F1 |( n2 i6 s- v
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发表于 2015-8-22 15:06
