This circuit divides the voltage of a 12 V battery by 2 and can supply currents up to 1 A at the lowest voltage output. The integrated circuit used is not very common today.
This small control bridge with complementary transistors was found in Popular Electronics from...
This voltage-controlled function generator circuit was found in ancient European documentation. The circuit...
This 1970 circuit triggers a load when it receives a signal. Components are common and SCR admits...