Found in an Electronic Design, this small power source uses a battery as a voltage reference, consuming little of its current. The source is shunt type.
This circuit was found in an English technical documentation from 1976. The supply can be done...
In the figure we have a circuit that allows to interface TTL logic with TTL logic, but with total...
This dimmer, from an old publication, can use almost any triac and in shooting a neon lamp. The...