This circuit was obtained from Dutch documentation from 1964. The components are of the time, but current equivalents such as BC548 to BC108 can be used.
This soft start circuit was found in a 1965 General Electric documentation. The SCR and bridge...
This circuit charges a battery to power a flashlight at night. The circuit is from an English...
This RCA / GE circuit from the 90s can be applied to any modern operational amplifier. The number...