This circuit for alternating current was found in a 1965 General Electric documentation. The circuit can be designed based on modern equivalent SCRs.
This circuit is from Delco Radio found in a 1968’s documentation. The transistors are of the time...
This interesting circuit was obtained from a 90's EDN. What it does is generate negative voltages...
Found in a 1980’s documentation, this circuit must have its signal applied to an amplifier stage. The...