This variable frequency oscillator for the range determined by the coil next to 6SJ7 was found in a Radio Craft from July 1947. The 4-tube circuit has enough power to also be used as a transmitter.
This variable frequency oscillator for the range determined by the coil next to 6SJ7 was found in a Radio Craft from July 1947. The 4-tube circuit has enough power to also be used as a transmitter.