This circuit is from an article in Radio Electronics magazine from October 1958. The circuit is for testing electrolytics that operate at high voltages depending on the source.
In the figure we have the way to connect two high power operational amplifiers LM12 to double the...
This circuit is from a publication about thyristors from the 70s. It consists of a pulse generator...
This is the receiver circuit for the transmitter of the previous circuit using an integrated...