We found this symmetrical regulator in a documentation from the 70s. The circuit uses components from that time, which are difficult to find today.
This circuit was found in the PC documentation from 1996. The maximum current of the motor is...
This modern XTAL radio replaces the galena crystal for a germanium diode as the 1N34 or...
We found this circuit in a 1967 documentation. The circuit can be designed based on current...