ELECTRONICS SOFTWARE DOWNLOADS

SIMULATOR and EMULATORS

Quite Universal Circuit Simulator  
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Qucs is a circuit simulator software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter, Transient, Noise and Harmonic Balance analysis. Pure digital simulations are also supported.



NGSPICE
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Ngspice project aims to improve the spice3f5 circuit simulator. 


GNU Spice GUI
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Provides a GUI for two freely available SPICE electronic circuit simulation engines: GNU-Cap and NG-Spice.


LogicCircuit
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Educational software for designing and simulating logic circuits, with intuitive GUI, hierarchical circuits and multi bit buses, oscilloscope, and navigate running circuits hierarchy. Please visit project's web site at: http://www.logiccircuit.org%20/


TinyCAD
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TinyCAD is a program for drawing circuit diagrams commonly known as schematic drawings. It supports standard and custom symbol libraries. It supports PCB layout programs with several netlist formats and can also produce SPICE simulation netlists.


DigitalSimulator
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The DigitalSimulator is your Virtual Electronics Lab, allowing you to design, simulate and output your digital circuit board designs.


ElectroMimic
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ElectroMimic is an electronic circuit simulator in Java™. The simulator is focused on the piecewise-linear models normally used by undergraduate students, but can also be linked with external simulation software for more realistic results.


GPL'd Electronic Design Automation
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The gEDA project is working on producing a full GPL'd suite of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.


ZSPICE
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zspice is a simple reconfigurable spice simulator. Its device library is created using adms, a software tool available on SourceForge.net.


ASCO (A SPICE Circuit Optimizer)
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The ASCO project aims to bring circuit optimization capabilities to existing SPICE simulators using a high-performance parallel differential evolution (DE) optimization algorithm. It supports Eldo, HSPICE, LTspice, Spectre, and Qucs.


TkGate
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TkGate is a event driven digital circuit simulator with a tcl/tk-based graphical editor. TkGate supports a wide range of primitive circuit elements as well as user-defined modules for hierarchical design.

ViPEC network analyser
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ViPEC is an network analyser for electrical networks. It takes a schematic description of an electrical network, and performs a simulation of the circuit response in the frequency domain. Output is in the form of port parameters (S, Y and Z).

Gnome Assisted Electronics
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This is a Computer Aided Electronic Design tool. It features schematic capture, simulation and PCB layout for both analog and numerical components with the help of Gnome.


Spice+
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Spice+ is a general-purpose circuit simulation program, based directly on SPICE 3F.5 from the University of California (Berkeley). An improved version of Spice for DOS, Windows and Linux. http://spicep.sourceforge.net/


XCircuit
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A UNIX/X11 circuit drawing application with schematic capture. Features user-definable parts libraries and fully hierarchical SPICE netlist generation.



LTspice IV
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LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.

BodeCAD
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BodeCAD™ works together with LTspice IV to perform large signal AC analysis automatically and extracts the bode plot of the power system.



FilterCAD
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FilterCAD™ 3.0 is a computer aided design program to help users without special expertise in filter design to create filters using Linear Technology's monolithic filter ICs.


Logic Circuits 1.1
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This software is used to reduce the risk of damaging the hardware due to faulty design of the circuit. It helps the designer of the circuit, to build and test the cirucit in software, before trying it out in hardware.

5Spice
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5Spice provides Spice specific schematic entry, the ability to define and save an unlimited number of analyses and integrated graphing of simulation results. Plus easy inclusion of Spice/PSpice® subcircuits from a user expandable library. The focus is on analog circuit analysis and circuit design at the component level.




Solve Elec
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draw and analyze electrical circuits functioning in direct or alternating current get literal formulas and values for current intensities and voltages defined in the circuit. verify circuit related equations.


Simcir the circuit simulator
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Simcir is a simple simulator of logic circuit.

NL5
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NL5 is the Non-Linear Electronic Circuit Simulator. The first version of NL for personal computers was developed in the early ‘90s as a tool for switching power supplies design. Since then NL has evolved into the Microsoft Windows®-based NL4, which has been used extensively by world-class engineers in different fields of electronics for almost 10 years.


Logisim
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is an educational tool for designing and simulating digital logic circuits. With its simple toolbar interface and simulation of circuits as you build them, it is simple enough to facilitate learning the most basic concepts related to logic circuits.

 PCB DESIGN

Kicad EDA
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Kicad EDA is an open source (GPL) software for the creation of electronic schematic diagrams and printed circuit board artwork.


Printed Circuit Board Layout Tool
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PCB is a tool for the layout of printed circuit boards. PCB can produce industry standard RS-274-X and Excellon NC-Drill format output for submission to board manufacturers.

PCB designer
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This is an easy-2-use Printed Circuit Board designer program with user-friendly interface and with some interesting capabilities. The full source and the internals are well documented.


ShortCut. A friendly PCB designer
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ShortCut is a printed circuit board (PCB) design software. It is intended for people who develop small electronic devices and do not want to be annoyed by the PCB design process. ShortCut has some advanced functionalities.


DipTrace Free 1.30 
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DipTrace is an advanced PCB design software application that consists of 4 modules: PCB Layout with efficient auto-router, Schematic Capture, Component and Pattern Editors that allow you to design your own component libraries.

FreePCB
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is a free, open-source PCB editor for Microsoft Windows, released under the GNU General Public License



PCB
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PCB is a tool for the layout of printed circuit boards.

MICROCONTROLLER AND MISC

TRiLOGI
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is the name of the ladder or ladder +BASIC  programming software for the E, H and M-series of  PLCs. The are several versions of the software available for the different PLC series.

Spiral Modeling Program 
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This is a C++ program used for modeling of spiral inductors and transformers.
The program generates a spice sub-circuit which can be used for calculating the different design parameters like inductance (L), quality factor (Q) and self resonant frequency (SRF).



STANTOR
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Stantor is a SCADA for home automation/domotic project. It drives : k8061-K8055(USB),
K8000(I2C), X10, electricity meters, Webcam (motion). It uses WEB browser, I-mode and Wap,
Apache, mySQL, PHP, javascript and Ajax. It run under Linux and Win32.


VHDL Symbolic Simulator
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VSYML is an automated symbolic simulator for VHDL designs.

ADMS
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ADMS is a code generator that converts electrical compact device models specified in high-level description language into ready-to-compile c code for the API of spice simulators.


ENIAC
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ENIAC: Electrical Network Interactive Analysis Console. Educational software originally made for
the study and simulation of electrical LTI circuits, but which supply also a lot of mathematics computations, like complex, polynomial and matrix operations


VeriWell Verilog Simulator
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VeriWell is a full Verilog simulator. It supports nearly all of the IEEE1364-1995 standard, as well as PLI 1.0. Yes, VeriWell *is* the same simulator that was sold by Wellspring Solutions in the mid-1990 and was included with the Thomas and Moorby book


AUDio MEasurement System
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AUDio MEasurement System - multi-platfrom system for audio measurement through sound card in the
PC. Incorporates Generator, Oscilloscope, FFT, Sweep frequency characteristic. Now it can be compiled and works under MSWindows and Linux.

Arbitrary Transmission Line  download

LayoutEditor
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A IC/MEMS layout editor. Features: all angle, font generator, macros, boolean operations, design rule checker, crossplatform compatible, supported formats:Calma GDSII, OASIS (Open Artwork System Interchange Standard), DXF, CIF (Caltech Intermediate Form)


IVI
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IVI is a graphical, interactive user-interface to various Open-Source HDL simulators. IVI is transitioning to using the Eclipse application framework.

Free tools and cores for FPGAs
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Tools for FPGA development and IP cores. This project provides tools, cores and documentation to develope FPGA applications. The project focuses on VHDL.


KontrollerLab
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The KontrollerLab is an IDE for developing software for Atmel(r) AVR(c) microcontrollers using the avr-gcc compiler, the uisp and the avrdude upload software.


Preferred resistor values lookup
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Finds the closest combination of two resistors from the E24 or E96 set of preferred values for a given resistance value.


555 Timer PRO 1.7
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555 Timer PRO provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer.


Electrical Mechanics and Maths 9.2  
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Over 500 highly interactive electrical engineering topics, use with any existing textbook, insert your own values and explore their effects, shows calculations, plots graphs, full colour graphics redrawn to scale for every change, explanatory text, step through topics, even makes revision enjoyable.

Piklab
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Piklab is an integrated development environment for applications based on PIC and dsPIC microcontrollers.


gpsim - The gnupic Simulator
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gpsim is an open sourced simulator for Microchip's PIC microcontrollers. It supports all three families of PICs: 12-bit, 14-bit, and 16-bit cores


gputils
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gputils is a collection of tools for Microchip PIC microcontrollers. Its goal is to be fully compatible with Microchip's tools, MPASM, MPLINK, and MPLIB.


PP06 Pic Programmer
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Production (3 level) Programmer for Microchip PIC on Win9X,DOS,NT,Win2K. Flash and Eprom, 14 and 12 bit devices. Printer Port programmers and the BEL In-circuit Dual PRODUCTION Pic Programmer board.


GNU 8085 Simulator
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GNUSim8085 is a simulator and assembler for the Intel 8085 Microprocessor.



KTechlab
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KTechlab is an IDE for microcontrollers and electronics.



PIC Development Studio
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PIC Development Studio is a simulator for the PIC16F84 microcontroller. It also provides a plugin framework making it possible to develop custom components. A library of ready-made components is included.