Found in RCA documentation from the 1960s, this 60 V regulator has a 100 V input and a current of 1 A. The transistors are from that time. One can try to use modern equivalents.
Found in a 1965 Electronic Design, this circuit generates adjustable pulses between 200 uA and 10...
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The transistor supports...
This circuit can equip the electronics practitioner's bench with an excellent number of resources. In...