Dws 8.4 manual_final_27012013

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  • 1. Copyright 1985-2013 Piero Belforte , Giancarlo GuaschinoDWSDigital Wave Simulator RELEASE 8.4USERS MANUALi

2. Copyright 1985-2013Piero Belforte , Giancarlo GuaschinoCopyright 1985 2013 Piero Belforte, Giancarlo GuaschinoThis document contains proprietary information of Piero Belforte and GiancarloGuaschino, Torino, Italy.DWS (Digital Wave Simulator) is a trademark of Piero Belforte and GiancarloGuaschino.DWV (Digital Wave Viewer) is a trademark of Piero Belforte and GiancarloGuaschino.SWAN (Simulation by Wave ANalysis) is a trademark of Piero Belforte.All rights are reserved.The contents of this document may not be copied or reproduced in any formwithout the express prior permission of Piero Belforte and Giancarlo Guaschino.Piero Belforte and Giancarlo Guaschino shall not be liable for errors containedherein and the information contained in this document is subject to changewithout notice.Piero Belfortes info can be found at http://www.linkedin.com/in/pierobelforteSWAN/DWS story with publications links is available here:https://docs.google.com/file/d/0Bx-ZqV10CSiNaG5yaW1JWi1EWjQ/editii 3. Copyright 1985-2013Piero Belforte , Giancarlo GuaschinoTable of ContentsDWSTABLE OF CONTENTSTABLE OF CONTENTS ................................................................................................................. VCHAPTER 1. GENERAL FEATURES ....................................................................................1-11.1 INTRODUCTION ...................................................................................................................1-21.2 GENERAL USE CONSIDERATIONS ........................................................................................1-31.2.1 Time Step ....................................................................................................................1-31.2.2 Elements .....................................................................................................................1-41.2.3 Two-Port Element Conversion ...................................................................................1-61.2.4 Reference Impedance .................................................................................................1-91.2.5 Delay Discretization ................................................................................................1-101.2.6 DWS Operation ........................................................................................................1-121.2.7 Memory Requirements .............................................................................................1-151.3 CIRCUIT DESCRIPTION ......................................................................................................1-161.4 INPUT FORMAT .................................................................................................................1-171.5 OUTPUT FILE ....................................................................................................................1-181.6 REPORT FILE .....................................................................................................................1-211.7 STARTING DWS ................................................................................................................1-22CHAPTER 2. PASSIVE ELEMENTS ......................................................................................2-12.1 LINEAR RESISTORS .............................................................................................................2-32.2 PIECE-WISE LINEAR RESISTORS .........................................................................................2-42.3 TIME-CONTROLLED LINEAR RESISTORS .............................................................................2-62.3.1 DC Resistor Function .................................................................................................2-92.3.2 Pulse Resistor Function ...........................................................................................2-102.3.3 PulsePoly Resistor Function ...................................................................................2-112.3.4 PulseErfc Resistor Function ....................................................................................2-122.3.5 Erfc Resistor Function .............................................................................................2-132.3.6 Delta Resistor Function ...........................................................................................2-142.3.7 Sinusoidal Resistor Function ...................................................................................2-152.3.8 Piece-Wise Linear Resistor Function .......................................................................2-162.3.9 PulsePwl Resistor Function .....................................................................................2-172.3.10 File Resistor Function ............................................................................................2-182.3.11 PulseFile Resistor Function ...................................................................................2-19v 4. Copyright 1985-2013 Piero Belforte , Giancarlo GuaschinoTable of Contents DWS 2.4 VOLTAGE-CONTROLLED RESISTORS ................................................................................ 2-21 2.5 CURRENT-CONTROLLED RESISTORS................................................................................. 2-25 2.6 STATIC TRANSFER FUNCTIONS FOR VOLTAGE OR CURRENT-CONTROLLED RESISTORS ... 2-29 2.6.1 Linear Static Transfer Function.............................................................................. 2-29 2.6.2 Piece-Wise Linear Static Transfer Function ............................................................ 2-30 2.6.3 File Static Transfer Function ................................................................................... 2-31 2.6.4 Threshold Static Transfer Function ......................................................................... 2-32 2.6.5 Hysteresis Static Transfer Function......................................................................... 2-33 2.7 DYNAMIC TRANSFER FUNCTIONS FOR VOLTAGE OR CURRENT-CONTROLLED RESISTORS2-34 2.7.1 Unit-step Dynamic R................................................................................................ 2-35 2.7.2 S-plane Dynamic Transfer Function ........................................................................ 2-38 2.7.3 Z-plane Dynamic Transfer Function ....................................................................... 2-40 2.8 LINEAR CAPACITORS ........................................................................................................ 2-42 2.9 LINEAR INDUCTORS .......................................................................................................... 2-44 2.10 COUPLED INDUCTORS ..................................................................................................... 2-46 2.11 UNBALANCED TRANSMISSION LINES .............................................................................. 2-48 2.12 BALANCED TRANSMISSION LINES .................................................................................. 2-50 2.13 UNIT-DELAY TRANSMISSION LINES ............................................................................... 2-52 2.14 IDEAL TRANSFORMERS ................................................................................................... 2-54 2.15 JUNCTION DIODES .......................................................................................................... 2-56CHAPTER 3. INDEPENDENT SOURCES ............................................................................. 3-1 3.1 INDEPENDENT VOLTAGE SOURCES (THEVENIN EQUIVALENT) ........................................... 3-3 3.2 INDEPENDENT CURRENT SOURCES (NORTON EQUIVALENT) .............................................. 3-4 3.3 INDEPENDENT SOURCE FUNCTIONS .................................................................................... 3-5 3.3.1 DC Source Function .................................................................................................. 3-5 3.3.2 Pulse Source Function ............................................................................................... 3-6 3.3.3 PulsePoly Source Function ....................................................................................... 3-7 3.3.4 PulseErfc Source Function ........................................................................................ 3-9 3.3.5 Erfc Source Function ............................................................................................... 3-10 3.3.6 Delta Source Function ............................................................................................. 3-11 3.3.7 Sinusoidal Source Function ..................................................................................... 3-12 3.3.8 Piece-Wise Linear Source Function ........................................................................ 3-13 3.3.9 PulsePwl Source Function ....................................................................................... 3-14 3.3.10 File Source Function ............................................................................................. 3-15 3.3.11 PulseFile Source Function..................................................................................... 3-16 3.4 SOURCE FUNCTIONS WITH A PARAMETER CONTROLLED BY A NODE VOLTAGE ............... 3-18 vi 5. Copyright 1985-2013Piero Belforte , Giancarlo GuaschinoTable of Contents DWS 3.5 BINARY DIGIT SEQUENCE .................................................................................................3-19 3.5.1 Sequence Definition .................................................................................................3-20 3.5.2 Single Sequence........................................................................................................3-21 3.5.3 Periodi