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 power inverter circuit was found in Radio Electronics magazine from December 1959....
This simple pass-through circuit was obtained in an old documentation, but it is still up to date...
This circuit was released in an Electronics Newsletter from June 1995. It uses a 10-channel...