High-Speed DSP Systems Design

bitgyn

Preface ............................................................................................................................... 9
1 Challenges of High-Speed DSP Design ....................................................................... 11
Trademarks ........................................................................................................ 12
1.1 General Challenges ............................................................................................... 12
1.2 Challenges of DSP Audio Systems ............................................................................. 14
1.3 Challenges of DSP Video Systems ............................................................................. 15
1.4 Challenges of DSP Communication Systems ................................................................. 16
2 Transmission Line (TL) Effects ................................................................................... 19
2.1 Transmission Line Theory........................................................................................ 20
2.2 Parallel Termination Simulation ................................................................................. 23
2.3 Practical Considerations of TL .................................................................................. 24
2.4 Simulations and Experimental Results of TL .................................................................. 24
2.4.1 TL Without Load or Source Termination .............................................................. 24
2.4.2 TL with Series Source Termination .................................................................... 26
2.5 Ground Grid Effects on TL ....................................................................................... 28
3 Crosstalk ................................................................................................................. 31
3.1 High-Speed and Low-Speed Current Return Paths .......................................................... 32
3.1.1 Crosstalk Caused by Radiation ................................................................................. 35
4 DSP Power Supply Design ......................................................................................... 37
4.1 Importance of Power Supply Design............................................................................ 38
4.2 DSP Power Supply Architectural Considerations ............................................................. 39
4.3 Power Supply Decoupling Techniques ......................................................................... 41
4.3.1 Capacitor Characteristics ............................................................................... 43
4.3.2 Inductor Characteristics ................................................................................. 44
4.3.3 Ferrite Bead Characteristics ............................................................................ 44
4.3.4 General Rule-Of-Thumb Decoupling Method......................................................... 45
4.3.5 Analytical Method of Decoupling ....................................................................... 45
4.3.6 Calculating Decoupling Capacitor Value .............................................................. 48
4.3.7 Placing Decoupling Capacitors ......................................................................... 49
4.3.8 High Frequency Noise Isolation ........................................................................ 50
5 Printed Circuit Board or PCB Layout .......................................................................... 53
6 Phase-locked Loop (PLL) .......................................................................................... 57
6.1 Analog PLL......................................................................................................... 58
6.2 Digital PLL.......................................................................................................... 61
6.3 PLL Isolation Techniques ........................................................................................ 62
7 Electromagnetic Interference ..................................................................................... 65
7.1 Introduction......................................................................................................... 66
7.2 EMI Fundamentals ................................................................................................ 66
7.3 Digital Signal ....................................................................................................... 68
Contents SPRU889–May 2005 3
7.4 Current Loops...................................................................................................... 69
7.5 Power Supply ...................................................................................................... 70
7.6 Transmission Line................................................................................................. 71
7.7 Power and Ground Planes ....................................................................................... 72
7.8 EMI Reduction Guidelines ....................................................................................... 73
8 Conclusions ............................................................................................................. 75
【文件名】:06127@52RD_High-Speed DSP Systems Design Reference Guide(1).pdf
【格　式】:pdf
【大　小】:3523K
【简　介】:
【目　录】:


[br]<p align=right><font color=red>+3 RD币</font></p>