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Electrical circuit simulator, free electrical circuit simulator software download

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NI leverages commercial technologies, such as industry-standard computers and the Internet, to deliver customer-defined automation, test and measurement hardware and software solutions for engineers and scientists.

Maintenance management training, on-site PLC training and seminars for industrial management, maintenance and engineering reliability. Books, CBTs, CDs and software too.

TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.

Electronic Engineering Times is the industry resource for news, analysis, design ideas & solutions, products, education, & engaging with the EE community.

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Texas Instruments (TI) is a global analog and digital semiconductor IC design and manufacturing company.

For people who want to make things themselves, Autodesk 123D is free 3D modeling software integrated with content and fabrication services.

Spice based electronic circuit simulation and circuit analysis software. 5Spice is a step up from student oriented simulators but still easy to use.