Custom Device Models and SPICE import!

Oct 21 2013, 7:00 PM PDT · 1 comment »

Up until now CircuitLab has had only a limited number of device models in its component library. While you all love our interface and simulations features, our #1 most requested feature has been a more extensive library of components. Today we are releasing the ability for you to save your own device models, and reuse those models later in your other designs.

We have also added the ability to import certain SPICE models for BJTs, MOSFETs, and Diodes directly into CircuitLab, and you can save those models to your personal library for reuse later.


New MOSFET Schematic Symbols

Oct 17 2013, 4:30 PM PDT · 4 comments »

We've always had a single style of schematic symbol for MOSFETs within CircuitLab schematics, but we now have several options available. These three styles are "CMOS" (the original style), "ENH" for Enhancement-mode MOSFETs, and "ENH_BD" which adds a body diode to the symbol.

Here's a sample:

If you get mixed up while building your schematic, just mouse-over any terminal and CircuitLab will tell you if it's the drain or source!


New Plotting Features! - Cursor Lines and Math on Plots

Oct 09 2013, 2:00 PM PDT · 0 comments »

We're happy to announce a set of new features in our plotting engine! The new features include vertical and horizontal cursors and math functions that can be applied to the traces on your CircuitLab plots. Take a look at the video demo.


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CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.