This stage for JFETs was found in a 1965 US publication, but is valid for modern components.
This circuit was found in a Popular Electronics from the 80s. It is possible to control a relay...
This circuit was found in a National Semiconductor manual from the 1980s. The integrated circuits used...
This circuit was found in a 90s Electronics Now. The maximum current is 1.5 A, given by the...