We found this circuit in a 1978 documentation. The SCR conducts when the regulator's output voltage exceeds the zener voltage.
With this circuit it is possible to measure RF signals with a common multimeter. Signals up to 200...
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The integrated circuit used...
We found this circuit in an old neon lamp application manual. The circuit stores a call. The...