This circuit was obtained in a 1980s publication, but it can be easily assembled today, as all components are common. The transformer is 12 + 12 V with at least 1 A and the diodes 1N4002.
Obtaining a voltage that is proportional to a current drained by a load can be important in...
The good signal of this circuit depends on L1 and C1. For 80 turns of wire 28 with a central...
Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is...