Pickering Interfaces has announced a new family of high voltage programmable resistor modules in a compact single-slot PXI ...

Testing relays and their circuits in vehicles doesn’t always require a trip to the bench. With a few simple tools and ...

The latest in advanced electronics requires space-saving, low-cost methods for connecting and testing circuitry. Why are test points a crucial element in developing a successful circuit? Types of ...

Qucs is a GPL circuit simulator. And if you want the GUI option, you might want to try out QucsStudio, which uses Qucs under the hood, and is free to use, but binary-only.