This site is dedicated to sharing personal and public circuit designs so that the engineering community can make modifications to the designs as a pathway to new innovation. They post many public ...

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 ...

The classic circuit breaker—a resettable overcurrent cutoff device—has been with us since the 1920s and is well-known for its reliable, consistent performance and a simple schematic symbol (Fig. 1).

Startup companies are finding the web to be fertile ground for circuit design tools. It's their ambitious goal to displace established pcb design tools with tools that encourage accessibility, ...

Electronic devices are built from many different parts. Understanding how these components work together is key to understanding electronics. Circuit diagrams use symbols to represent each component, ...