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是excel格式的。/ Z6 H8 t& n+ j5 I/ C8 [5 I
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Trace Width Calculator* I3 C+ f; w U/ J: B
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User Inputs:
* ]! l G6 {3 \2 E3 V( B8 F" E6 K3 @1 |8 [. Y3 h/ B
Current: I 1 [Amps]
9 [1 W. G) Q8 DTemperature Rise: ▲T 10 [Degrees C]
- @0 d8 _6 i$ u; w& b+ e9 C3 [Conductor Thickness: t 1 [oz. per sq. ft.]
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r$ m0 F# Y) l# TResults:: m, M' \4 s2 ~
, a2 O# X: p' J0 f/ }" g; lInternal Layer Results: % Q `/ `, S# \
Required Trace Width: Wi 39.86495008 [Mils] ' _3 \) _- f3 J
Copper Area: 54.93390121 [Square Mils]
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, K! l) x. Z9 z0 ^3 wExternal Layer Results:
# |& h7 M+ m% Y% {" wRequired Trace Width: We 9.798650996 [Mils]
: p- \8 N9 i- q/ ^; ^6 ?Copper Area: 13.50254107 [Square Mils]
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NOTE:
: k+ i% _ |" }) JThese Formulas are approximations!
1 {: S. A0 E% s# E1 a' j+ gThey should not be used when a high degree of accuracy is required.8 o! P" X. I& q! }- b6 W! V
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楼主: Allen
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发表于 2015-7-22 15:12
