This circuit was found in documentation from the 1980s. The circuit uses several components of the time, which are uncommon today. We must not supply it with a transformerless power supply.
The circuit shown in the figure generates a rectangular signal whose frequency depends on C1. For...
This 13 A V power supply with 2 A uses a transformer with 12 V of secondary and 2 A of current. The...
This basic configuration of voltage regulator using operational amplifier and zener was found in a...