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是excel格式的。
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2 I* @5 K2 S8 ?8 \Trace Width Calculator
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User Inputs:( I. X1 B, P b* d D8 a8 I
, L! q: p; z4 Y( Q: ~6 PCurrent: I 1 [Amps]- D6 G9 V1 d9 U' K8 R
Temperature Rise: ▲T 10 [Degrees C]# I2 x4 ~+ ?0 S7 K; q" I6 C2 P
Conductor Thickness: t 1 [oz. per sq. ft.] ' a- E( D0 N* H
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6 z; @6 F; m/ E; }; r( e4 aResults:- A0 k, N' n3 l
& A( f* y- I) m( Q4 jInternal Layer Results:
! n7 A5 g% \, \Required Trace Width: Wi 39.86495008 [Mils] 5 r6 [/ f: ^- g2 H8 Z1 d
Copper Area: 54.93390121 [Square Mils]
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- }. Y, B& K# U% p6 E' VExternal Layer Results:
0 z9 N. @3 @" S; x1 B; F6 dRequired Trace Width: We 9.798650996 [Mils]
$ H8 n! @, [3 w: Y7 ]1 I% l1 OCopper Area: 13.50254107 [Square Mils]3 H$ x! |6 I) J2 I3 V7 @1 C
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! l, R6 \3 a# {NOTE:9 ^8 N# B: u8 I A) K/ t
These Formulas are approximations!2 M q6 \# W; i% m% z' e
They should not be used when a high degree of accuracy is required.
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发表于 2015-8-6 17:12
