是excel格式的。 9 U k" c9 L* J4 T5 x( ]7 u; Q* u7 M
Trace Width Calculator ; q5 ]8 k5 v- z; i8 v- N / u8 D3 H# K# [ k* F- m1 L# I) v7 b: p; d9 T1 W: ^& F1 e. I m
User Inputs: 2 H( M$ _) R% |0 ~: f* V* j7 K1 z7 p & X% x! {8 T5 B8 R: J' LCurrent: I 1 [Amps]1 `: N+ x% c# G6 {3 c7 H
Temperature Rise: ▲T 10 [Degrees C]3 j- j& K5 R; V m, u1 n8 L
Conductor Thickness: t 1 [oz. per sq. ft.] . o- p/ G/ t9 |% V# U' r, U 2 h( e; U6 j( [. o* \1 ~5 F/ z; A# x7 t: C2 K! G, @
Results:8 E# b) H/ o6 y) v
- k4 H- S. M S! x
Internal Layer Results: 7 {* c1 [. p0 E2 ]! s
Required Trace Width: Wi 39.86495008 [Mils] * r4 W) [# x1 l) r( b( u+ n
Copper Area: 54.93390121 [Square Mils] 2 v$ M) X2 _. n; K2 s 0 P/ Z# e# t2 c H( U
: ?# C. ^# n/ G6 K4 ]9 s4 y
External Layer Results: : [3 m" ]4 `3 Q- ~
Required Trace Width: We 9.798650996 [Mils] ' f; `* W" a* e
Copper Area: 13.50254107 [Square Mils] : u) x3 h) G m ' X5 T p* ~0 }% t( I1 ~5 u0 c # R$ e( P B7 W0 b" j
W* x# K0 i& _ " M) S/ N" c: i$ F - I& `7 y& L; ~; l9 l+ d7 x0 d8 {NOTE:( P4 P+ v; L- F: \& h( W
These Formulas are approximations! ; ?6 Q2 A$ J6 J5 X" J4 eThey should not be used when a high degree of accuracy is required.2 u- t- A' ]3 z+ k9 |/ q9 Y
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发表于 2015-8-6 17:12
