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13 Mar 2014

EasyEDA is a Web-Based EDA, schematic capture, spice circuit simulation and PCB layout Online. [via]

EasyEDA launches 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, for electronic engineers, educators, students and hobbyists. EasyEDA has extensive built-in schematic, spice and PCB libraries which can be easily extended using powerful symbol, model and footprint creation and editing tools.EasyEDA has integrated with DangerousPrototypes’ open source libraries, so the makers can build electronic stuff with DangerousPrototypes parts in EasyEDA easily.

EasyEDA – Web based design tool - [Link]

23 Nov 2012

Browser-based online schematic capture, SPICE simulator, and waveform viewer – [via]

PartSim is a full-featured circuit simulator that allows anyone to create, simulate and share electronic circuits using their web browser,” said Cody Miller, Aspen Labs president and CEO. “Web-based tools offer huge productivity boosts. There are no install processes, application updates are automatic, and projects are easily shared using web links. We’ve partnered with Digi-Key Corporation to offer this tool free of charge and look forward to building a community of users.

PartSim free online circuit simulator - [Link]

6 Aug 2012

Docircuits.com – Build, simulate, and share your circuits, entirely in your browser — no install required. Experience Online Electronics Lab. Work with real looking equipments and components. Learn About Circuits. Build circuits, Run, Analyse and Save them in easy steps. Learning circuits have never been this easy with powerful SPICE-like, mixed-mode circuit simulation helps EE students, electronics hobbyists, and electrical engineers learn faster.

Docircuits.com – Experience virtual labs for electronics on browser - [Link]

7 Jun 2012

The first and only circuit schematic capture and simulation program to offer an intuitive, touch-based schematic capture system with real spice simulation capability.

Spicy Schematics is the latest in circuit design. Create, edit, and simulate circuits on your iPad, and sync your files from any Mac or PC using Spicy for Web! … Advanced features such as the Online Circuit Library, and Spice Model Upload Service make Spicy way ahead of the curve. Check out our videos on YouTube, User Manual, Example Circuits Page, and FAQ for more info! Download Product Flyer.

Spicy Schematics for PC, Mac and iPad - [Link]


29 Feb 2012

circuitlab.com writes:

We are happy to announce the release of CircuitLab, a browser-based schematic editor and circuit simulator.

With CircuitLab you can sketch your circuits as easily as you would on a piece of paper, and then simulate your circuit right in your browser to see how it would work in real life! You can then tweak, design, and iterate — all in one tool, all in your web browser.

CircuitLab has powerful SPICE-like device models, and the simulation engine supports mixed-mode analog and digital components side-by-side, so you can rapidly test your ideas for a wide range of possible projects. In addition to DC calculations and time-domain simulation, CircuitLab also has many advanced simulation capabilities, including frequency-domain (small signal) analysis, stepping through circuit parameters, and arbitrary Laplace transform function blocks.

CircuitLab is completely web-based, which not only means itʼs cross-platform (Windows/Mac/Linux) and requires no installation or plug-ins, but also means that all you the circuits you choose to make public can be shared by just copy & pasting a URL!

Instead of the usual forum posts with static screenshots from different desktop tools, the online electronics community can use CircuitLab to share useful URLs (as well as PNGs and PDFs) which link directly to interactive, editable, runnable schematics. In just a few clicks, another hobbyist can open that circuit, make a change, simulate it, and post the new version back to the community.

CircuitLab is now available publicly at https://www.circuitlab.com. Make sure you check out the Quick-Start Circuits for some great examples of what CircuitLab can do!

CircuitLab – browser-based schematic editor and circuit simulator - [Link]

19 Jan 2012

SPICY Schematics is a revolution in electronic circuit schematic capture

Spicy takes full advantage of mobile technologies for circuit design – the first tablet application to offer real Spice simulation and advanced sharing and online backup features.

SPICY is fast, intuitive, and allows you to literally draw circuits with your fingers. Create, save, edit, share, simulate, export and send screen-shots to email, SPICY is a must have for students and working engineers alike.

iSchematics.com – Spice Simulation and Schematics for iPad! - [Link]

10 Dec 2011

juho-eric.blogspot.com writes:

I had been reading on chaos generators in the past, and this e-mail got me interested again. Their design is somewhat complicated, with a total of 13 stages of 7 different circuit blocks. You can read all about it in the PDF they published

A much simpler chaos generator that can be built with a lot less components is called Chua’s circuit. The downside with this simple circuit is that you need an inductor which you might have to wind up yourself. Also there should be much less variety than in the waveforms of the Elektor circuit. It has so many stages that can saturate to give different waveforms.

Still, Chua’s circuit is very interesting to fiddle with. I haven’t built the circuit yet, but I did some simulations with LTSpice IV and here’s what I found out.

LTSpice simulation of Chua’s circuit - [Link]

8 May 2011

TI has a free SPICE-based analog simulation program: [via]

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.

TINA-TI’s new version 9.0 has changes from Version 7.0 in the following areas:

  • Schematic Symbol Editor (useable with the Macro Wizard) is included, so you can create your own symbols for imported SPICE macromodels.
  • Macros do not have to be from TI – you can import anyone’s SPICE model now!
  • Does not require active or non-linear components for analysis (so you can now run a circuit using just passives).
  • TINA-TI includes Initial Condition and Nodeset components
  • TINA-TI includes Linear and nonlinear controlled sources (VCVS, CCVS, VCCS, CCCS), and the Controlled Source Wizard.
  • TINA-TI now allows WAV files to be used as stimulus (signal sources). You can play calculated waveforms on PC’s multimedia system, and export calculated waveforms as a *.wav file.
  • TINA-TI has Multi-core processor support; this along with other optimizations makes simulations run 2-20 times faster.
  • Schematic file import/export in XML format
  • Block Wizard included for making block diagrams
  • TINA-TI has more SPICE models and example circuits included.
  • Circuits developed in TINA-TI 9.0 will work with TINA Industrial version 9.
  • TINA-TI Version 7.0 is forward compatible with Version 9.0, and version 9.0 supports saving schematics in version 7.0 format.
  • Available in English, Traditional and Simplified Chinese, Japanese, and Russian versions.

TINA TI: Free SPICE-based analog simulation program – [Link]

25 Sep 2010

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.

TinyCAD for schematic drawings – [Link]

1 Feb 2008

dod250-clipping.png

gaussmarkov: diy fx writes:

Simulating circuits on your computer is a good learning tool and there is a range of software for doing this using Spice, a circuit analysis program. Linear Technology has one of the easier versions that I have tried called LTspice/SwitcherCad III. You can download a free copy from their website here.

For a general description of Spice check out the Spice Home Page.

For an introductory tutorial, go to An LTSpice Tutorial. I give a demonstration of some useful calculations in LTSpice Analysis and the DOD Overdrive 250.

LTSpice/SwitcherCAD III - [Link]



 
 
 

 

 

 

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