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You can count on PSpice for accurate simulation results and regular innovations. PSpice has been tried and proven by thousands of engineers. Since the first PSpice simulator was introduced in 1985, it has been continuously improved, and structured to use the latest hardware and operating systems. Each generation has addressed technological advances in electronics, keeping and helped designers with the capabilities they need. The current version, PSpice 9.2, continues this tradition with new enhancements to the PSpice simulation engine and user interface. Now the world's most popular analog simulator is part of a complete information-sharing solution for your entire design team.
- Use the advanced capabilities of Orcad Capture ® or Capture CIS ™ , the world's most popular schematic entry system, to enter your designs
- Select from a library of over 13,000 parts for simulation*, or choose from Orcad Capture/CIS's large library of parts for general schematic entry
- Easily import existing PSpice designs, created with PSpice® Schematics, into the Orcad Capture/PSpice environment
- Navigate through complex designs quickly with the hierarchical browser
- Create hierarchical block diagrams, with automatic pin placement on hierarchical blocks
- Connect analog and digital components on your schematic to reflect their physical connections; simulator automatically handles the transitions between analog and digital domains
- As an alternative, use PSpice Schematics to enter and edit your designs
- Invoke the interactive, graphical Stimulus Editor from Orcad Capture/CIS to define and preview stimulus characteristics
- Access built-in functions that can be described parametrically, ordraw piecewise linear (PWL) signals freehand with the mouse to create any shape stimulus
- Create digital stimuli for signals, clocks and buses; click-and-drag to introduce and move transitions*
- Set up and run simulations, and cross-probe simulation results from Orcad Capture/CIS
- Use the hierarchical netlister with parametric subcircuits for faster netlisting of complex hierarchical designs.
- Run long simulations in the background while you edit other designs
- Create multiple simulation setups and save them in Capture CIS's Project Manager, so you can recall and run different simulations on the same schematic
- Create plot window templates and use them to easily make complex measurements, just by placing markers on desired pins and nets in the schematic
Perform and monitor simulations, view simulation messages and graphical results, and view and edit text files, all from a unified simulation environment
- Take advantage of analog capabilities such as user-defined accuracy, automatic time-step control and proprietary convergence algorithms
- Preempt the current simulation to immediately run another one, then return to complete it later, and control the queue of simulations waiting to be performed*
- Save time by loosening tolerances and time steps during non-critical periods of transient analyses, or by extending a completed transient analysis without restarting*
- Digital functions support 5 logic levels and 64 strengths, load-dependent delays, and hazard/race checking*
- PSpice A/D automatically recognizes A-to-D and D-to-A connections, and properly processes them by inserting interface subcircuits and power supplies
- Integrated analog and event-driven digital simulation engines improve simulation speed without loss of accuracy
- Single graphical waveform analyzer displays mixed analog and digital simulation results
- Explore circuit behavior using basic DC, AC, noise and transient analyses
- View the total noise contribution and the noise components of individual devices
- Include specific local temperature effects on individual devices for more accurate analyses
- Show circuit behavior variations as components change via advanced parametric,
Monte Carlo, and worst-case analyses*
- Choose from a rich set of mathematical functions to apply to simulation output variables
- View simulation results in multiple waveform windows
- Select waveforms by name or by marking a net,pin, or device in the schematic
- Place cross-probing markers once and they stay with the analysis; as you iterate the design, the marked wave-forms appear after each simulation
- View continuous, real-time "marching waveforms" as simulation progresses
- Copy and paste high-resolution, scalable waveforms into other applications for producing documentation
- Plot both real and complex functions of circuit voltage, current, and power dissipation including Bode plots for gain and phase margin and derivatives for small-signal characteristics
- Display Fourier transforms of time domain signals without re-simulating
- Vary component values over multiple runs and quickly view results as a family of waveforms with parametric, Monte Carlo, and worst-case analyses
- Plot waveform characteristics such as rise time versus temperature or supply voltage, using parametric analysis
- Create histograms after Monte Carlo analysis to display the distribution of characteristic, such as overshoot
- Large variety of built-in models adds flexibility to your simulations; most include temperature effects
- Shipped models include R, L, C, and bipolar transistors, plus:
- Built in IGBTs
- Seven MOSFET models, including industry standard BSIM3v3.1 and the new EKV 2.6 model
- Five GaAsFET models, including Parker-Skellern and TriQuint TOM-2 models
- Nonlinear magnetic models complete with saturation and hysteresis
- Transmission line models that incorporate delay, reflection, loss, dispersion and crosstalk
- Digital primitives, including bi-directional transfer gates with analog I/O models
- Device Equations Developer's Kit (DEDK) allows implementation of new internal model equations which can be used with PSpice**
- Select from more than 14,000 analog and mixed-signal models of devices made in North America, Japan, and Europe
- Access basic components plus a variety of macro-models for more complex devices, such as operational amplifiers, comparators, regulators, optocouplers, ADCs and DACs
- Automatically generate Orcad Capture/CIS parts for the models created by the Model Editor
- Automatically generate Orcad Capture/CIS part libraries from simulation model libraries obtained from part vendors or colleagues
- Base the symbol generation on the PSpice symbol set, or your own
- Generate symbols for analog, digital, or mixed-signal devices (both primitives and macro-models)
- Click on a part in Orcad Capture/CIS, and use the intuitive user interface of the Model Editor to view or edit its PSpice model
- Extract a model of a supported device type by simply entering required data from the device's data sheet
- Proceed quickly through the extraction process, using fully interactive features to guide you; device characteristic curves give you quick graphical feedback
- Describe functional blocks using mathematical expressions and functions
- Leverage a full set of mathematical operators, nonlinear functions and filters
- Implement any transfer function via controlled voltage and current sources
- Define circuit behavior in the time or frequency domain, by formula (including Laplace transforms), or by look-up tables
- Select parameters which have been passed to subcircuits in a hierarchy, and insert them into transfer functions
- Create Boolean expressions that reference internal states and pin-to-pin delays, using digital behavioral modeling
You can maximize the performance of your circuit automatically with PSpice Optimizer,
which works in conjunction with PSpice or PSpice A/D. Optimizer offers more than
a "batch mode" or scripting capability. It intelligently modifies parameters between
simulation runs, using advanced goal-seeking to zero-in on the optimal set of values.
Set up the PSpice Optimizer to run your simulations automatically. On completion,
you'll know the values that deliver the best circuit performance.
- Tune the values of circuit parameters, automatically improve the performance of analog circuits, or match circuit behavior to one or more data curves
- Invoke the PSpice Optimizer from Orcad Capture/CIS, and back-annotate the optimized parameters automatically
- Choose up to eight circuit parameters to optimize
- Optimize parameters to meet up to eight performance specifications, fit simulation
results to up to eight curves, or a combination of up to eight specifications and curve fits
- Choose specifications from standard measurements such as bandwidth, overshoot, rise time, and center frequency, or create custom measurements using the performance analysis wizard
- Specifications can either be goals or constraints; the optimization algorithms can satisfy nonlinear constraints
- Modified Newton method improves the target function with each iteration
- In addition to the optimal parameter values, PSpice Optimizer also reports:
- The margins of each constraint
- Sensitivity (derivative) of each specification with respect to each parameter
- Performance cost (i.e., the LaGrange multipliers) of meeting each constraint
Features Summary for PSpice, PSpice A/D and Basics (not included in this document)
- PSpice A/D Basics includes all libraries except IGBTs, SCRs, thyristors, PWMs, magnetic cores and transmission lines.
- PSpice A/D Basics does not include bi-directional transfer gates.
- PSpice and PSpice A/D packages can utilize device models developed with Device Equations Developer's Kit (DEDK). DEDK is available by special arrangement with PSpice Technical Support. DEDK is intended for use by experienced device physicists and requires knowledge of C programming.
System Requirements
PSpice "plugs-in" to Orcad Capture/CIS; please consult those products' data sheets for hardware and operating system requirements.
PSpice requires these additional system resources:
- Intel Pentium™or equivalent processor
- Windows NT 4.0® (with Service Pack 3 or later installed) or Windows 95® or Windows 98®
- 32 MB RAM (64 MB recommended. Additional RAM improves performance)
- 50 MB free hard disk space (in addition to Capture or Capture CIS requirements)
- 800 X 600 minimum display resolution (1024 X 768 recommended)
Year 2000 Compliance
- All Orcad products for Microsoft Windows NT, Windows 95 and Windows 98 are Year 2000 Compliant
Product Support
Every product comes with:
- One year of customer support via phone, e-mail and fax
- Access to Orcad's Internet-based technical information and support connection, the Orcad Design Network SM (ODN) SM
- A one year free subscription to product updates
- Training workshops and other services available
Upgrade Policy
Each PSpice product contains the full functionality of the lower-priced versions. You can load existing designs into a higher-functionality product, and use it without conversion or modifications. When you purchase an PSpice product, you will receive a generous trade-in allowance if you later decide to upgrade to a version with higher functionality.
In North America:
For purchasing information, visit our online store.
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Outside of North America:
Key features |
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PSpice |
PSpice
A/D |
PSpice
A/D Basics |
Graphical design entry (with Capture or Capture CIS) |
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Simulation setup using dialogs |
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Cross-probing (with Capture or Capture CIS) |
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Probe Windows waveform: viewer and analyzer |
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Symbols from models |
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Multiple named simulation profiles |
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Notable PSpice analysis and simulation features |
DC sweep, AC sweep, and transient analysis |
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Noise, Fourier, and temperature analysis |
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Parametric analysis (STEP) |
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Monte Carlo and sensitivity/worst case analysis |
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Analog behavioral modeling |
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Propagation delay modeling for digital gates |
N/A |
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Constraint checking (e.g., setup-and-
hold timing) |
N/A |
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Digital worst-case timing |
N/A |
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Charge storage on digital nets |
N/A |
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Stimulus editor (STIMULUS & STIMLIB) |
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Model editor for device characterization |
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Diodes only |
Performance analysis (goal functions) |
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Save/load bias point (.SAVEBIAS/.LOADBIAS) |
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Notable PSpice devices and model library |
GaAsFETs: Curtice, Statz, TriQuint, Parker-Skellern |
All |
All |
Statz |
MOSFETs: SPICE3 (1-3 with charge conservation) |
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MOSFETs: BSIM1, BSIM3 (versions 2 and 3), EKV |
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IGBTs |
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Darlingtons |
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DACs and ADCs |
N/A |
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JFETs, BJTs |
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Resistor, capacitor, and inductor .MODEL support |
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Ideal and non-ideal lossy transmission lines |
All |
All |
Ideal |
Coupled transmission lines |
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Coupled inductors |
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Nonlinear magnetics |
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Voltage and current-controlled switches |
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Analog model library |
11,000 |
11,000 |
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Digital primitives |
N/A |
All |
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Digital Model Library |
N/A |
2000 |
2000 |
Product options |
PSpice Optimizer |
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Network Licensing |
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Device equations support C |
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- PSpice A/D Basics includes all libraries except IGBTs, SCRs, thyristors, PWMs, magnetic cores and transmission lines.
- Pspice A/D Basics does not include bi-directional transfer gates.
- All PSpice packages can utilize device models developed with Device Equations Developer's Kit (DEDK). DEDK is available by special arrangement with PSpice Customer Support. DEDK is intended for use by experienced device physicists and requires knowledge of C programming.
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