The basic metallurgy of solder. How to make a solder joint. How to repair a circuit board. The vintageTEK museum is a geek’s paradise to tour if visiting the Portland, Oregon area. The museum has ...

A key subsystem in a programmable logic controller is the analog input module, which provides a high-precision front end to measure a wide variety of sensors. In many cases, however, the amplifier ...

Up to this point in this series, we have examined the operational amplifier (op amp) and its use in several applications. To emphasize the diversity of the entire signal chain, this article opens the ...

A filter is a signal-processing component that removes unwanted parts of an input signal such as noise, extracts useful parts of an input signal lying within a certain frequency range, or reshapes the ...