This circuit with 117 V output was found in a 1969 Electronic Design. Drive transistors admit equivalents and information about transformers is not given.
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...