This is a 1960s amplifier setup found in a period publication. The circuit uses a special driver transformer that inverts the phases of the signal to excite the output transistors.
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...
This solid-state relay circuit (SSR) or shield is from a 1995 Electronics Now. With it we can...
This configuration was found in Raytheon's circuit manual from the 1960s. The circuit has an...