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A basic guide for SI and crosstalk for a PCB designer2 {) V; P$ B9 A! x# ]6 Y8 T
Table of Content; [8 A3 S4 u4 o! W9 m
Basics of SI___________________________________________________________________5
; n7 w5 ~ U4 J9 \1.1 When Speed is important? _____________________________________________5+ d5 s- i2 }+ v1 Z4 R; j
1.1.1 Acceptable Voltage and timing values ________________________________5
8 J0 Y- H/ G3 s1 G1 A) j1.2 Signal Integrity ______________________________________________________5
. _) K* ]7 I, E9 E: [0 y3 l1.2.1 Waveform Voltage Accuracy_______________________________________5& w& [! W5 c% t Y/ o! S2 b
1.2.2 Timing_________________________________________________________5
3 F, E$ h( t( X6 h* n8 {& s. M1.3 Speed of currently used logic families ____________________________________51 R" B& _& a8 ?1 F* n5 I0 B
1.3.1 Transition Electrical Length (TEL) __________________________________6
7 ]0 P& E+ `8 x* n1.3.2 Critical length ___________________________________________________6
: J- {, H2 ?3 P, p' A& x% q1.3.3 What is Transmission Line? ________________________________________6
# U3 D, _/ u a& w3 R1 f8 @1.3.4 What is moving in a Transmission line?_______________________________6' p5 R& \9 O+ d6 k$ k, d
1.3.5 Power Plane Definition____________________________________________6
R: c' V8 L+ e) O3 b" N1.3.6 The concept of Ground ____________________________________________76 ?! z/ I: w' ^* t7 ?! I
1.4 STRIPLINE circuit with Electromagnetic field _____________________________7/ T2 u6 c( H; e7 V* y8 y# Q0 F" I
1.5 RLC Transmission Line Model _________________________________________8
3 e4 D' q! N1 c4 E3 o, o1.5.1 What is Impedance? ______________________________________________8
( H4 ^7 M* J- z0 Q; A- J1.5.2 A Practical impedance equation for microstrip _________________________8# W; B% J3 x9 c9 P5 F I) X, N
1.5.3 What is relative dielectric constant Er? _______________________________9
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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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