Ecircuitslab.com provides a list of free electronic circuit schematics diagram in all categories like audio circuits, radio & RF circuits, power supply circuits, light circuits, telephone circuits, ...

KiCAD EDA is a free, open-source, and cross-platform electronic design automation suite. This software contains three different modules including Schematic Editor, PCB Layout, and 3D Viewer. Schematic ...

QSPICE is an analog and mixed-signal simulator characterized by high simulation speed, accuracy and reliability. It is a new program and can be downloaded here. QSPICE is still in the demonstration ...

LTSpice is one of the most famous Circuit Simulation Software among Electrical and Electronic Students. Developed by Linear Technology, it has an array of different devices, so, you won’t be missing ...