We found this circuit on a Radio Craft from August 1946. The circuit uses two tubes and is powered by the mains. It must be used with care as it has no isolation from the power grid. It generates signals from 100 kHz to 2.4 MHz.

We found this circuit on a Radio Craft from August 1946. The circuit uses two tubes and is powered by the mains. It must be used with care as it has no isolation from the power grid. It generates signals from 100 kHz to 2.4 MHz.