ISSPICE4 USER'S GUIDE Personal Computer Circuit - Intusoft

457 Pages·2008·1.67 MB·English

Personal Computer
Circuit Design
Tools
ISSPICE4 USER’S GUIDE
VOLUMES 1 AND 2
© copyright intusoft 1988-2007
One Civic Plaza Dr., Suite 470
Carson, CA 90745 USA
Phone: [phone]
Fax: [phone]
www.intusoft.com
intusoft provides this manual “as is" without warranty of any kind, either
expressed or implied, including but not limited to the implied warranties of
merchantability and fitness for a particular purpose.
This publication may contain technical inaccuracies or typographical
errors. Changes are periodically made to the information herein; these
changes will be incorporated in new editions of this publication.
Copyright
intusoft, 1988-2007. All Rights Reserved. No part of this publication may
be reproduced, transmitted, transcribed, stored in a retrieval system, or
translated into any language in any form by any means without written
permission from Intusoft.
IsSpice4 is based on Berkeley SPICE 3F.2, which was developed by the
Department of Electrical Engineering and Computer Sciences, University
of California, Berkeley CA and XSPICE, which was developed by Georgia
Tech Research Corp., Georgia Institute of Technology, Atlanta Georgia,
30332-0800
Portions of IsSpice4 have been developed at Universite Catholique de
Louvain in Belgium, University of Illinois in U.S.A., and Macquarie
University in Australia. Many thanks to Benjamin Iniguez, Pablo Menu,
Anthony Parker and Christophe Basso for their contributions to IsSpice4’s
models.
Portions of this manual have been previously published in EDN Magazine.
is a trademark of intusoft
Intusoft, the Intusoft logo, ICAPS, ICAP, ICAP/4, IsSpice, IsSpice4,
SpiceNet, IntuScope, Test Designer, and IsEd are trademarks of Intusoft,
Inc. Pspice is a registered trademark of OrCAD corp. All company/product
names are trademarks/registered trademarks of their respective owners.
All company/product names are trademarks/registered trademarks of their
respective owners. Windows and Windows NT are trademarks of
Microsoft Corporation.
Printed in the U.S.A. rev. 09/07 Build 3090
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Contents
Volume 1 Chapter 1- 8
Chapter 1 Introduction
1 About IsSpice4
2 SPICE 2/IsSpice4 Differences
Chapter 2 Using IsSpice4
11 IsSpice4 Overview
11 Starting IsSpice4
12 Quitting IsSpice4
12 The IsSpice4 Display
14 Simulation Control Dialog
15 Saving Windows Positions
16 Starting, Stopping and Pausing The Simulation
16 Scaling, Adding and Deleting Waveforms
18 Saving Waveform Vectors For Real-Time Viewing
18 Interactive Circuit Measurements (Not Available in ICAP/4Rx)
20 Saving and Viewing Past Simulation Data
21 Sweeping Circuit Parameters (Not Available in ICAP/4Rx)
23 Sweeping Groups of Parameters (Not Available in ICAP/4Rx)
25 Adding An ICL Script To A Sweep
26 Scripting: Introduction to ICL
28 Viewing Waveforms In More Detail
Chapter 3 Analysis Types
29 Analysis Summary
30 Code Models And Analysis Types
30 ICL - Interactive Command Language
30 DC Operating Point Analysis
31 DC Small Signal Transfer Function (Not Available in ICAP/4Rx)
31 DC Sweep Analysis
32 Sensitivity Analysis (Not Available in ICAP/4Rx)
33 AC Analysis
34 Noise Analysis (Not Available in ICAP/4Rx)
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TABLE OF CONTENTS
35 Distortion Analysis (Not Available in ICAP/4Rx)
36 Pole-Zero Analysis
36 Transient Analysis
37 Transient Initial Conditions
37 How IsSpice4 Runs A Transient Analysis
38 Output Data And Aliasing
39 Changing The Simulation Accuracy
40 Simulation Stability
42 Fourier Analysis (Not Available in ICAP/4Rx)
43 Temperature Analysis
44 Simulation Templates (Not Available in ICAP/4Rx)
46 References
Chapter 4 Mixed-Mode Simulation
47 Mixed-Mode Simulation Overview
49 Native Digital Simulation
49 States, Logic Levels and Strengths
50 Events and Event Scheduling
51 Gate Delays
52 Rise and Fall Times
53 Node Types and Translation
54 Analog and Digital Interfaces
55 Mixing Digital and Analog Circuitry
56 Viewing Digital Data
56 Creating Digital Stimulus
57 Reducing Circuit Complexity
Chapter 5 Netlist Definition
59 IsSpice4 Netlist
60 Netlist Structure
61 The Title and .END lines
61 ICL Statements and Control Block
62 Analysis Control Statements
62 Output Control Statements
64 Circuit Topology Definition
67 MODEL Statements
68 Subcircuit Netlist
70 Miscellaneous Netlist Statements
70 Delimiters and the Comma
71 IsSpice4 Netlist Construction
72 IsSpice4 Output Files
74 Code Model Netlist Structure
Chapter 6 Extended Syntax
79 Introduction
81 Parameter Passing
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83 .PARAM Syntax
84 PARAM Rules and Limitations
86 Parameterized Expressions
87 Entering .PARAM Statements
88 Entering Parameterized Expressions
89 Passing Parameters To Subcircuits
90 Default Subcircuit Parameters
92 Parameter Passing Example
94 DEFINE
95 DEFINE Rules and Limitations
96 DEFINE Example
97 INCLUDE
98 INCLUDE Example
99 INCLUDE Rules and Limitations
100 Subcircuit and Model Hierarchy
Chapter 7 Extended Analysis
103 Introduction
105 Tolerances
110 Subcircuit Parameter Tolerances
112 Tolerance Value Generation
112 Monte Carlo Analysis (Not Available in ICAP/4Rx)
113 Performing A Monte Carlo Analysis (ICL Scripted)
113 STEP 1: A Working Circuit
113 STEP 2: Adding Tolerances
113 STEP 3: Setting Up The Measurements
116 STEP 4: Defining Lots and Cases
116 STEP 5: Running a Monte Carlo Simulation
117 Viewing the Results
119 Circuit Optimization ( Not Available in ICAP/4Rx)
119 Optimizer Preparation
120 Running The Optimizer
121 Single and Multi-Parameter Sweeps (Not Available in
ICAP/4Rx)
123 Error Messages and Solutions
124 Simulation Templates
Chapter 8 Element Syntax
135 IsSpice4 Syntax Notation
136 Resistors/Semiconductor Resistors
138 Capacitors/Semiconductor Capacitors
141 Inductors
142 Coupled Inductors
143 Ideal Transmission Lines
144 Lossy Transmission Lines
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TABLE OF CONTENTS
148 Uniformly Distributed RC/RD Transmission Lines
150 Switches (with Hysteresis)
153 Switch (Smooth Transition)
155 Independent Voltage Sources
158 Transient Signal Generators
162 Independent Current Sources
164 Analog Behavioral Modeling
165 Linear Dependent Sources
165 Voltage-Controlled Voltage Sources
165 Current-Controlled Current Sources
166 Current-Controlled Voltage Sources
166 Voltage-Controlled Current Sources
167 Nonlinear Dependent Sources
167 In-line Equations, Expressions, And Functions
171 Using Time, Frequency, and Temperature in Expressions
172 Behavioral Modeling Issues
175 Nonlinear Elements
176 Boolean Logic Expressions
179 If-Then-Else Expressions
181 Device Models Statements
183 .Model Statement
184 Diodes
186 Bipolar Junction Transistors
190 Junction Field-Effect Transistors
192 GaAs Field Effect Transistors - MESFETs
197 Metal Oxide Field Effect Transistors - MOSFETs
214 EPLF-EKV 2.6 LEVEL 9 MOSFET Model
218 Subcircuits
218 Subcircuit Call Statement
219 .Subckt Statement
220 .Ends Statement
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Volume 2 Chapter 9 - Appendices
Chapter 9 Code Model Syntax
221 Introduction
222 The Port Table
224 The Parameter Table
225 Analog Code Models
226 Magnetic Core
230 Differentiator
232 Fully Depleted SOI Mosfet
236 Hysteresis Block
238 Inductive Coupling
240 Limiter
242 Controlled One-Shot
244 Table Models
249 Laplace (s-Domain) Transfer Function
252 Slew Rate Block
254 Controlled Sine Wave Oscillator
256 Controlled Square Wave Oscillator
258 Controlled Triangle Wave Oscillator
260 Smooth Transition Switch
262 Repeating Piece-Wise Linear Source
266 Hybrid Code Models and Node Bridges
267 Digital-to-Analog Node Bridge
269 Analog-to-Digital Node Bridge
271 Digital-to-Real Node Bridge
272 Real-to-Analog Node Bridge
273 Analog-to-Real Node Bridge
275 Controlled Digital Oscillator
277 Controled Digital PWM
279 Real Code Models
279 Z-Transform Block (Real)
280 Gain Block (Real)
281 Digital Code Models
282 Buffer
283 Inverter
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284 And
285 Nand
286 Or
287 Nor
288 Xor
289 Xnor
290 Tristate
291 Pullup
292 Pulldown
293 Open Collector
294 Open Emitter
295 D Flip Flop
297 JK Flip Flop
299 Toggle Flip Flop
301 Set-Reset Flip Flop
303 D Latch
305 Set-Reset Latch
307 State Machine
311 Frequency Divider
313 RAM
316 Digital Source
318 MIDI Digitally Controlled Oscillator
Chapter 10 Analysis Syntax
319 Analysis Notation
320 .DC - DC Sweep Analysis
321 .OP - Operating Point
322 .TF - Transfer Function
322 .Nodeset - Initial Node Voltages
323 .AC - Small-Signal Frequency Analysis
324 .Noise - Small-Signal Noise Analysis
326 .Disto - Small-Signal Distortion Analysis
329 Sensitivity Analysis
331 .PZ - Pole-Zero Analysis
332 .Tran - Transient Analysis
333 .IC - Transient Initial Conditions
334 .Four - Fourier Analysis
335 .Print - Output Statement
339 .Plot - Output Statement
339 .View - Real Time Waveform Display
341 .Options - Program Defaults
350 Analyses At Different Temperatures
351 Title and End Statements
351 Continuation and Comment Lines
352 References
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Chapter 11 Interactive Command Language
355 ICL Defined
357 The Interactive Command Language
362 ICL Function Summary Listing
364 ICL Command Summary Listing
370 Simulation Templates & Directives
371 IntuScope Commands
372 IntuScope Functions
373 Using ICL Scripts
Appendix A
379 Solving SPICE Convergence Problems
379 What is Convergence? (or in my case, Non-Convergence)
381 General Discussion
383 IsSpice4 - New Convergence Algorithms
383 Non-Convergence Error Messages/Indications
384 Convergence Solutions
384 DC Convergence Solutions
389 DC Sweep Convergence Solutions
389 Transient Convergence Solutions
393 Modeling Tips
395 Repetitive And Switching Simulations
396 Other Convergence Helpers
396 Special Cases
397 SPICE 3 Convergence Helpers
Appendix B
398 Device and Model Parameters
Appendix C
399 IsSpice4 Error and Warning Messages
399 Errors
407 Warnings
Appendix D Adding a SPICE Model
409 Importing SPICE model with Library Manager
410 Save New Model
410 Define Where to Find Model in Part Browser
411 Validating That Your Part Was Added
412 Use Existing Symbol
413 Create New Symbol or Modify Existing Symbol
414 Create a Folder to Contain Your Own Models
414 Eliminating Duplicate Parts Errors
414 What MakeDB does in more detail
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Appendix E Export Schematic of Model as Subckt
416 Make Configuration For Export
417 Define Subckt Parameters
419 Exporting the Subcircuit Netlist
419 Make Your Exported Subckt Model Easier to Use
Index
I-XXV
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