This small source for low consumption projects was found in an old national documentation. The transistor is for general use and the transformer has 50 to 100 mA of secondary current.
We found this interesting bistable photoelectric control circuit in a 1988 documentation. The...
The integrated circuit used in this oscillator is no longer common in our market, as the...
This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today....