Maybe my Google-fu sucks, but I've been having trouble locating good circuit design software that doesn't cost an arm and a leg. At the moment, I'm mostly just interested in something that will help ...

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 ...

Even in today’s digital, IT-intensive radio plant, there is still a need to design and build one-of-a-kind electronic circuits. Simple devices such as digital tone generators and small distribution ...