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software for electrical simulation of a design circuit

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bob2987

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Hello,

In my firm we are thinking to buy a software for electrical simulation. We do analog circuit. Our choice are between PROTEUS, LTSPICE, ELDO. Anyone can talk about his experience about theses softwares.

Thank you.
 

LTspice is a good simulator but comes with models basically limited to Linear Technology Devices. Outside models can be added but is a somewhat tedious process to do.

It you can afford to buy a simulator I would look for one that has models of devices that you are likely to use.

PSpice and Multisim are other simulators to consider that are quite popular.

Multisim has a graphical interface that simulates a lab workbench which I find easier to use than most.
It has handy additions like switches and potentiometers that can be easily controlled from the keyboard while the simulation is running and LED symbols that actually brighten when the LED has current through it.
It also has a button that allows starting, stopping, and restarting the simulation anytime during the simulation process.
 

LTSpice will let you use other vendors' standard models
(I have pulled in PSpice transistor / FET ones) and put
them under a symbol. Huge library of contributed models
and parts subcircuits is attached to the Yahoo! LTSpice
group, you are not stuck with just what Linear Tech puts
out directly.
 

LTSpice comes with a huge library of the most common parts besides their own. Most vendors have models for download, but it's a good idea to check them for accuracy before doing any serious work. The datasheet archive sites have a lot too.

Somebody cooked up a TL494 model and put it on the Yahoo group. I'm just getting around to do some design around it.
 

There is no doubt that EasyEDA is the best circuit design software. EasyEDA is a free, zero-install, Web and cloud-based EDA tool suite, integrating powerful schematic capture, mixed-mode circuit simulation and PCB layout in a seamless cross-platform browser environment .
easyeda.com provides:
powerful schematic capture, clever circuit simulation, PCB layout and low cost PCB order service.
It provides SVG source to preview Schematic, PCB Layout and Gerber file
It provides rich spice models to make simulation .
It provivdes simulation viewform viewer .
It provides easy PCB order which saves your time to make sample PCB .
Every project you create on https://easyeda.com/editor can be private, shared, or public.private, shared, or public.
 

we are thinking to buy a software for electrical simulation (...) Our choice are between PROTEUS, LTSPICE, ELDO

In order to improve the overall productivity of the development process as a whole, I would recomend you consider using some circuit simulator whose entry could be done directly from an exported schematic form another EDA program. With the LTSPICE for instance ( which is freeware ), you can import circuits built in the EAGLE software.
 

In order to improve the overall productivity of the development process as a whole, I would recomend you consider using some circuit simulator whose entry could be done directly from an exported schematic form another EDA program. With the LTSPICE for instance ( which is freeware ), you can import circuits built in the EAGLE software.

In addition to this excellent comment, I would add that choose a simulator which does have lots of support.
You may run into problems, or you may require obscure component models, or you may find bugs. In those instances a GOOD support group is vital.

So, as part of the investigation, log on their support forums and browse the types of questions and answers provided.
 

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