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A basic guide for SI and crosstalk for a PCB designer
, |, K U8 }7 q/ zTable of Content- {0 V+ a9 a8 d; r% r- W; S
Basics of SI___________________________________________________________________5% j1 y8 | y& ^
1.1 When Speed is important? _____________________________________________5
& A2 X. {' ]" n3 ^3 s* H- s1.1.1 Acceptable Voltage and timing values ________________________________5
& C6 _0 L& ~% r* F6 `" K0 ]2 u" H1.2 Signal Integrity ______________________________________________________5
) C1 T% x0 K2 w: n( k& e1.2.1 Waveform Voltage Accuracy_______________________________________5
# u: L$ e d9 q1.2.2 Timing_________________________________________________________5
) a# i1 C$ D3 k1.3 Speed of currently used logic families ____________________________________5$ @! l5 o4 [ W" Y% }
1.3.1 Transition Electrical Length (TEL) __________________________________6
, [( X/ \9 @9 p" ^$ W1 w; { \1.3.2 Critical length ___________________________________________________6% m' V0 o, p! [
1.3.3 What is Transmission Line? ________________________________________6( H3 E9 n6 b- j
1.3.4 What is moving in a Transmission line?_______________________________60 {5 R. l ^/ H5 t' s+ U
1.3.5 Power Plane Definition____________________________________________68 W% y( ~ n% H7 g" B
1.3.6 The concept of Ground ____________________________________________7
1 \3 Z9 y% V8 n* H9 J+ i5 v5 X7 r1.4 STRIPLINE circuit with Electromagnetic field _____________________________7
& r3 Y/ j, u5 x5 y9 c1.5 RLC Transmission Line Model _________________________________________8
2 g! G0 p4 T) y" c' b. s" E$ A1.5.1 What is Impedance? ______________________________________________85 ?4 I" M& h+ T" Q9 r% c* K' G3 S* O
1.5.2 A Practical impedance equation for microstrip _________________________8" Y6 c! L# t- Y4 I8 H- p
1.5.3 What is relative dielectric constant Er? _______________________________9# t& K* ]8 [* f% ^
; T) V( {7 b: o, `/ E" h
" n2 T( M& E/ G7 e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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