This circuit for radio amateurs in the ranges of 80 to 20 meters was found in a Radio Craft from January 1947. The circuit has a power of a few tens of watts and needs to be powered with the voltages indicated in the diagram.

This circuit for radio amateurs in the ranges of 80 to 20 meters was found in a Radio Craft from January 1947. The circuit has a power of a few tens of watts and needs to be powered with the voltages indicated in the diagram.