Printed circuit boards (PCBs) are the essential building blocks behind almost all modern electronic devices. These components ...

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 ...

Want to design and test circuits without building them? CircuitLab lets you create, simulate, and see results online.

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...