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Definin
g
Stimuli
3
-27
*. The DIGSTIM, IF_IN and INTERFACE symbols require the Stimulus
Editor to define the input signal; these symbols are not available in Basics+.
1
2
...
107
108
109
110
111
112
113
114
115
116
117
...
566
567
User’s Guide
1
Simulation ExamplesChapter 2
4
Part Two Desi
5
ModelsChapter 4
6
Symbols for ModelsChapter 5
7
Chapter 6
8
Chapter 7
9
Contents
10
AC AnalysesChapter 10
11
Transient AnalysisChapter 11
11
Contents xiii
13
Part Four Viewin
15
Results
15
Before You Be
25
MicroSim PSpice A/D
26
Overview
26
How to Use this Guide
27
Related Documentation
28
Online Help
29
If You Don’t Have the
30
Standard PSpice A/D
30
If You Have the Evaluation
33
What’s New
34
BSIM3 version 3 MOSFET model
35
Part One
36
What is PSpice A/D?
38
Basic Anal
39
AC sweep and noise
40
Transient and Fourier
41
Advanced Multi-Run Anal
42
Monte Carlo and sensitivit
43
/worst-case
43
Schematics to Prepare for
45
Simulation
45
What is the Stimulus Editor?
45
What is the Parts Utilit
46
What is Probe?
46
Files Needed for
47
Other Files That You Can
48
Model librar
49
Files That PSpice A/D
51
Generates
51
PSpice output file
52
Simulation Examples
53
Example Circuit
54
Creation
54
Connection Points
56
Example Circuit Creation 2
57
Bias Point Anal
58
the Bias Information
59
the Simulation Output File
61
DC Sweep Anal
62
DC Sweep Dialo
63
12 Simulation Examples
64
To delete all of the traces
67
Amplitude = 10
69
Transient Analysis
70
AC Sweep and
73
Noise Analysis Dialo
73
Parametric Dialog Box
78
all 21 traces in Probe
79
Probe Performance
82
To plot
83
Part Two
85
Preparin
86
a Schematic for
86
Checklist for Simulation
87
Using Schematic Markers to
88
Add Traces on page 17-13
88
Limiting Probe Data File
88
Size on page 17-15
88
For more information on
89
Parts That You
92
Can Simulate
92
Vendor-Supplied Parts
93
To find parts usin
95
the online Librar
95
Passive Parts
96
Breakout Parts
97
Behavioral Parts
98
Global
99
Parameters and
99
Expressions for Values
99
VSUPPLY
100
{VSUPPLY}
100
Expressions
101
Table 3-1
102
Operators in Expressions
102
Table 3-2
103
Power Supplies
106
Stimuli
108
VPWL_F_N_TIMES**
109
Devices
110
VSRC or ISRC s
111
Stimuli 3
112
Unmodeled Parts
113
Library List or read the
114
Unmodeled Pins
116
Check for this
117
DC Path to Ground
118
and Editin
119
What Are Models?
121
How Are Models
122
Local models
123
Global models
123
Nested Model Libraries
124
MicroSim-Provided Models
124
Tools to Create and Edit
125
Parts-Supported Device T
130
How to Fit Models
132
To fit the model
133
To view performance curves
133
the Parts Utilit
134
Parts utility supports. See
136
for details
136
What is an instance model?
138
What happens if
140
The Parts Utilit
141
Tutorial
141
Diode Model
142
Values for the Dbreak-X
142
the Model Editor
147
Model Properties
148
the Model Editor from
151
Example: Editin
153
a Q2N2222
153
Instance Model
153
the edits and updatin
154
the schematic
154
the Create
155
Subcircuit Command
155
Instance
157
How PSpice A/D Uses Model
161
Libraries
161
search path
165
Chapter Overview
166
What’s Different About
168
Simulation?
168
➥ Automatically create
169
➥ Produce a compact
169
➥ Automatically create one
169
To set up a model librar
170
How to Start the S
171
How the S
172
How to Create AKO S
174
To confi
176
14 Creatin
179
Symbols for Models
179
How Schematics Places
180
✔ Does the value of the
183
✔ Does the TEMPLATE
183
✔ Are the pins/nodes in the
183
✔ Do the pin/node names in
183
SIMULATION ONLY
184
TEMPLATE
185
Attribute names in templates
186
The ^ character in templates
187
IN+ OUT+ IN- OUT
190
IO_LEVEL
192
MNTYMXDLY
193
IPIN attributes
194
Behavioral Modelin
195
Overview of Analo
196
Behavioral Modelin
196
ABM Expressions
198
the Use of a Global
199
Definition
199
ABM Part Templates
200
Control S
201
Basic Components
203
Limiters
204
HIPASS Filter Part
206
BANDPASS Filter
206
Part Example
206
BANDREJ Filter
207
Table Look-Up Parts
208
FTABLE Part
210
+ (6kHz,-60,-6912)
211
+ DELAY=3.2ms
211
Laplace Transform Part
212
LAPLACE Part
213
Example 1
213
Example 2
213
Math Functions
215
ABM Expression Parts
215
ABM Expression
216
Part Example 1
216
Part Example 2
217
Part Example 3
218
Part Example 4
218
An Instantaneous Device
219
Example: Modelin
219
a Triode
219
Control System Parts 6
221
PSpice A/D-Equivalent
222
Implementation of PSpice A/D
223
Equivalent Parts
223
Mathematical or
224
Instantaneous Relationships
224
EVALUE Part
225
GVALUE Part
225
EMULT Part
226
Lookup Tables (ETABLE and
227
34 Analo
228
Frequenc
229
-Domain Device
229
Laplace Transforms (LAPLACE)
229
Response Tables
231
(EFREQ and GFREQ)
231
EFREQ Part
232
PSpice A/D-Equivalent Parts 6
233
Instantaneous Device Modelin
234
-Domain Parts
235
Laplace Transforms
235
-0.001·s
236
Off Computer
239
Resources For Accurac
239
Basic Controlled
240
Introduction
242
Functional
243
Behavior
243
Table 7-1
244
Functional Behavior 7
247
+ IO_STD
249
Characteristics
251
DIGMNTYSCALE
253
DIGTYMXSCALE
253
constraints
253
Calculation
254
Inertial and Transport Dela
255
Transport dela
256
Input/Output
257
Characteristics
257
and TSWHL
259
Table 7-2
260
Output Stren
261
Controllin
263
overdrive
263
Pin-to-Pin Dela
273
(PINDLY
273
Primitive)
273
Constraint Checker
276
(CONSTRAINT Primitive)
276
Setup_Hold
276
The 74160 Example
277
Part Three
281
Parametric
284
PSpice A/D Basics+
284
Up Anal
285
Execution Order for Standard
286
Output Variables
287
Modifiers
288
Up Analyses 8
289
Table 8-4
290
The IGBT device
291
Simulation
293
Method 1
295
Method 2
295
The Simulation Status Window
296
Simulation pro
297
DC Sweep
299
DC Sweep Setup
299
Overview of DC Sweep
300
4 DC Analyses
301
Up a DC Stimulus
302
Nested DC Sweeps
303
Curve Family
304
Example Schematic
304
8 DC Analyses
305
Bias Point Detail
306
Small-Si
308
Transfer
308
Overview of Small-Si
309
DC Sensitivit
310
Overview of DC Sensitivit
311
AC Sweep Anal
313
Up an AC Stimulus
314
Magnitude_value [phase_value]
315
Up an AC Anal
316
AC Sweep Setup in
317
“example.sch”
317
How PSpice A/D Treats
318
Nonlinear Devices
318
8 AC Analyses
319
This is exactly how a double
319
Noise Anal
320
What is Noise Anal
321
Up a Noise Anal
322
Noise in Probe
323
14 AC Analyses
325
To find out more about Probe
325
Transient Anal
326
Overview of Transient
327
a Time-Based
328
Stimulus
328
The Stimulus Editor
330
6 Transient Analysis
331
the Stimulus Editor
332
Example: sine wave sweep
334
New Stimulus S
335
a Stimulus
337
To manuall
338
14 Transient Analysis
339
Transient (Time)
340
Response
340
Transient
340
Internal Time Steps in
342
Electronic
343
Hysteresis Curves 11
344
Fourier Components
345
Fourier Components 11
346
Parametric and Temperature
347
Parametric Anal
348
Overview of Parametric Anal
349
Example: RLC Filter
349
the simulation
350
Parametric Analysis 12
353
up the circuit
354
CvF(-I(Vin)/V(1,0))
355
CvF(-I(Vin)/V(1))
355
Temperature Anal
357
Statistical Anal
360
Waveform Reports
362
Collatin
362
Functions
362
Table 13-1
363
Monte Carlo Anal
365
Monte Carlo
365
Tutorial: Monte Carlo Anal
368
up the parameters
370
R=1 DEV=5%
374
Monte Carlo Histo
377
Analysis Setup Example
378
To displa
381
the center frequenc
381
Center Frequency Histogram
382
Worst-Case Anal
383
Procedure
384
Worst-Case Analysis 13
385
YatX Goal
387
Schematic
390
Demonstratin
390
Use of VARY
390
Manual optimization
392
Monte Carlo anal
392
MicroSim
395
Schematics User’s Guide
395
Concepts You Need to
396
Understand
396
Top-Level Interface Ports
399
To add a transition
403
To move a transition
403
To edit a transition
403
To set the default bus radix
406
To add a loop
407
To define a clock si
409
DIGCLOCK
409
the FILESTIM Device
411
Adjustin
414
Simulation Parameters 14
414
the Simulation
415
IN1 IN2 Q1 Q2
417
To add a di
418
Buses to a Probe Plot
419
To add a bus expression
420
Persistent hazards
421
Analyzin
422
Results 14
422
Simulation condition messa
423
Table 14-4
424
Output control options
426
Interface Subcircuit
429
Selection b
429
PSpice A/D
429
Level 1 Interface
430
Level 2 Interface
431
the Default A/D Interface
432
To create a custom di
435
Interface Generation
438
PSpice A/D representation
439
+ T_BUF IO_STD
444
Critical Hazard
447
Cumulative Ambi
449
Reconver
450
Glitch Suppression Due
452
Methodolo
453
Part Four
456
Overview of Probe
458
Elements of a Probe Plot
459
Elements of a Plot Window
460
Multiple Plot Windows
461
Probe Colors
462
Reference Manual
465
Other Wa
468
Schematic Markers to Add
469
Probe Data File Size
471
16 Analyzin
472
Waveforms in Probe
472
Simulation Data from
474
Multiple Files
474
Appendin
475
data files
475
To append a data file
475
Trace Le
476
Simulation Results in
477
ASCII Format
477
Example
478
Example.dat)
479
24 Analyzin
480
About Di
481
About the Oscillator Circuit
482
Up the Schematic
482
Mixed Analo
485
User Interface Features
486
To zoom in the analo
487
area usin
487
the mouse
487
Scrollin
488
To set the di
489
To move labels
492
User Interface Features 17
495
Probe Trace
500
Basic Output Variable Form
501
Terminals
502
Table 17-4
503
Probe Output Variable Formats
503
Table 17-5
505
Table 17-6
505
Output Variable AC Suffixes
505
Table 17-7
506
Table 17-8
507
Device Type
507
Table 17-9
508
Noise Types by Device Type
508
/Hz. This means
509
/Hz, NTOT(ONOISE)
509
Trace Expressions
510
Probe Trace Expressions 17
511
The Bias Information Toolbar
518
Bias Point Volta
520
Currents
521
Label Associations
523
colors for bias information
524
If You Have Hierarchical
525
Bias Point Values
526
Run the simulation
527
Other Output Options
528
Additional
530
Results to the
530
PSpice Output File
530
4 Other Output Options
531
PSpice A/D defaults to MAG
531
Test Vector
533
Initial State
534
Save and Load Bias
535
Load Bias Point
536
Setpoints
537
Setpoints A
538
Initial
539
Conditions
539
Too Small Errors”
540
V/(N*k*T)
542
V/(N*.025)
543
Is the Initial Approximation
544
Close Enou
544
STEPGMIN
545
Bias Point and DC
546
Switches
547
Transient Analysis B
550
.TRAN/OP
551
Parasitic Capacitances
552
Inductors and Transformers
552
Junction
553
ERROR
554
16 Conver
555
Index-10
565
Index-11
566
Index-12
567
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