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.

What are the basic design considerations for selecting a hot swap controller or module? Here is a short tutorial explaining the inner functioning a hot swap device while outlining key design ...

A remote-control circuit controls other circuits through a relay or solid-state device, such as a motion-activated security light. A signaling circuit that provides an output that is a signal or ...

An article about how to design basic impedance matching networks using the pi and T-networks for improved selectivity.

The invention provides a basic low-voltage DC loop circuit analyzer. In doing so, it would monitor loop circuit 0 - 30 Volt DC voltage.