The figure shows how to use CMOS inverters as amplifiers. The circuit is from a Radio Electronics from April 1984. The supply voltage can be between 3 and 12 V.
This game was found in an old Popular Electronics. The unijunction transistor can be 2N2646. The...
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
In figure 1 we have a circuit that turns on after a certain time and then turns off, also after a...