This second-order low-pass Salen-Key filter was obtained from an American 1980s documentation. Formulas for component calculation are given next to the diagram. Any operational amplifier can be used. The font must be symmetrical.
This second-order low-pass Salen-Key filter was obtained from an American 1980s documentation. Formulas for component calculation are given next to the diagram. Any operational amplifier can be used. The font must be symmetrical.
