Filters are used in many applications to remove unwanted frequency components from incoming signals, enhance incoming signals, or both. In portable and non-portable medical applications, for example, ...

Set up, test and tweak this filter in PartSim to see it’s behavior before building it. The state-variable realization offers the most precise implementation at the expense of many more circuit ...

The state variable active filter (SVAF) is an active filter you don’t see mentioned much today; however, it’s been a valuable asset for us old analog types in the past. This became especially true ...

For many modularists, the filter is the go-to tool for sound-shaping on the fly, which is why so many filters have an oversized knob for the cutoff. In essence a filter is a module that takes incoming ...