We found in this American documentation this circuit for activating common cathode displays. In it we have the way to cascade the 4033 to drive two displays (dozens and units).
This simple circuit helps to save incandescent lamps by leaving their filament slightly heated and thus...
This percussion circuit was found in an Electronics World of 1968. The transistor may be general...
In the figure we have another configuration of inverter amplifier with gain 20 (in fact 19),...