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A basic guide for SI and crosstalk for a PCB designer* q9 ? U& t3 o; C
Table of Content' ~1 m B0 e( T) S/ B6 u
Basics of SI___________________________________________________________________50 x5 l1 ~7 X6 l) l- ?" D
1.1 When Speed is important? _____________________________________________5" y2 B: z G% u( j+ o. c: F
1.1.1 Acceptable Voltage and timing values ________________________________5' @( ?( K) F3 [. Y
1.2 Signal Integrity ______________________________________________________5
4 Z) \, p& N. u$ w' D. m) j0 D+ C1.2.1 Waveform Voltage Accuracy_______________________________________5
7 P4 O) I1 N- c( c* g" D" K1.2.2 Timing_________________________________________________________5
5 b' Z I" B* v @1.3 Speed of currently used logic families ____________________________________5
; J- `( v6 a) a7 ?1.3.1 Transition Electrical Length (TEL) __________________________________6) y$ U# m2 j8 U) u3 Y
1.3.2 Critical length ___________________________________________________6; h# f$ `5 U1 g$ K3 l1 L( g4 v# h. B" b
1.3.3 What is Transmission Line? ________________________________________6
: S; V. R' Z( I; r! B+ [, }1.3.4 What is moving in a Transmission line?_______________________________6. r2 q8 G# Y( |9 B/ C0 ]
1.3.5 Power Plane Definition____________________________________________6' q" O- K& ~% k6 `5 B* }
1.3.6 The concept of Ground ____________________________________________78 A8 Y5 q% k6 P" s3 h
1.4 STRIPLINE circuit with Electromagnetic field _____________________________7
9 f: `3 r/ ?, ?" U8 a5 P5 X4 h1.5 RLC Transmission Line Model _________________________________________8/ j0 j1 T/ n! }- j+ `5 B9 g% L
1.5.1 What is Impedance? ______________________________________________8% ~5 {5 N$ h7 B; [
1.5.2 A Practical impedance equation for microstrip _________________________81 ]" O; S. z' T+ |- A
1.5.3 What is relative dielectric constant Er? _______________________________9
; I. P: K* p% s7 k7 N- V$ r' z, b% k" s0 m( I N/ ~8 G! N3 s. k
! S/ u' W: r0 X! Z0 O还不错，英文的，很直观，可以看看啊！ |
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发表于 2008-5-31 20:18
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