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).
The SLB0686A integrated circuit used in this application is not currently common. The circuit is...
We found this circuit in a documentation from 1989. It is intended for receivers that have an IF...
This small switched regulator was found in an 60’s Optical Electronics. The circuit uses an...