Found in an Electronic Design from the 90s, this circuit uses components from that time and can supply voltages of 5 V with current up to 100 mA.
This circuit is from 1964 documentation but can be easily implemented based on current components....
This low-power circuit for small lamps according to transistors was found in the January 1959...
We found this circuit in a 1986 documentation. It is based on TTL integrated circuits that can be...