Circuit Design - Simulation

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SPICE-Based Analog Simulation
Author : Texas Instruments
Licence Type :
Size : - MB
Hits : 17928
Description : TINA is an easy-to-use, powerful circuit simulation tool based on a SPICE engine. TINA-TI is a fully functional version of TINA, loaded with a library of TI macromodels plus passive and active models.
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LTspice IV
Author : Linear
Licence Type : Freeware
Size : 15.3 MB
Hits : 27108
Description : LTspice IV is a high performance SPICE simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators. Our enhancements to SPICE have made simulating switching regulators extremely fast compared to normal SPICE simulators, allowing the user to view waveforms for most switching regulators in just a few minutes. Included in this download are LTspice IV, Macro Models for 800f Linear Technology's switching regulators, over 200 op amp models, as well as resistors, transistors and MOSFET models.
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Digital Simulator 1.1
Author : Ara Knaian
Licence Type : Freeware
Size : 1.83 MB
Hits : 13111
Description : Digital Simulator has a toolbar of digital circuit elements, including logic gates, flip-flops, switches, and indicators. Drawing a circuit with Digital Simulator is like using a paint program. You click the element's icon on the toolbar, then click where you want the element to go. You use a similar procedure to draw wires and indicate connections. It's that simple.
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sPlan 7.0
Author : Abacom
Licence Type : Demo
Size : 4.7 MB
Hits : 7427
Description : With sPlan you will design your schematic circuit diagrams clean and easy on your PC. Many powerful functions like the the extensive component library, the usage of free definable background form sheets, automatic component numbering, component searching, component lists, etc. will help you. Even beginners will create perfectly designed schematic diagrams within minutes.
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PSPICE 9.1 Student Version
Author : Cadence
Licence Type : Freeware
Size : 27.3 MB
Hits : 223866
Description : Design and simulate analog and digital circuits.

What's included with the Student Version

Limited versions of the following products are included in the Student Version of PSpice:

  • PSpice A/D 9.1, Web Update 1, including PSpice Schematics 9.1
  • Your choice of schematic editors (specify during installation)
    • PSpice Schematics 9.1
    • Capture 9.1, Web Update 2

Digikey Database and libraries

Download Digikey Database 2.09 MB
Download Digikey Libraries 1.05 MB

Help Files

PSPICE.PDF - Pspice User's Guide
CAPUG.PDF - Capture User's Guide
ANALOG.PDF - Analog Parts
DIGITAL.PDF - Digital Parts
MIXED.PDF - Mixed- Signal Parts
PSPICEAD.PDF - A/D User’s Guide
PSPCREF.PDF - A/D Reference Manual
OPTUG.PDF - Optimizer User's Guide
PCB2LAY.PDF - Converting MicroSim PCBoards Designs to OrCAD Layout Designs
SCH2CAP.PDF - Converting MicroSim Schematics Designs to OrCAD Capture Designs
NETLICGD.PDF - Network Licensing Guide

Tutorials