This circuit was obtained from an old Signalite documentation. Neon lamps are special types of the time. The operation occurs at low frequencies.
This circuit was found in a 1979 documentation. The transistors can be the BD136 and BD135,...
This circuit uses a symmetrical power supply, and the motor is for the voltage indicated in the...
This power supply can sources currents up to 22 A to a load. Voltage is 12 V and the transistor...