This circuit was found in Motorola's 1968 documentation. The SCRs are then replaceable with current equivalents. The lamp is 24 V according to the power supply.
The circuit shown in the figure shuts off a load when the voltage drops below the value determined...
This oscillator can run in frequencies up 10 MHz depending on the Power supply voltage. The 1 µF...
This circuit was obtained from an American technical manual from the 80's. The integrated circuit...