We found this circuit in a 1997 documentation. It is possible to automatically reverse the direction of rotation of a three-phase motor. The circuit uses WEG timers and contactors.
Found in a 1969 EDN, this circuit uses components from that time. Modern equivalent transistors can be...
This amplifier with old germanium transistors is from a 1957 documentation. The power is a few...
We found this circuit in an American documentation from the 90s. The circuit combines functions of 4...