This 6-transistor circuit had excellent sensitivity using germanium transistors. The push-pull stage used two transformers, one drive and one output as we usually find at the time.
This circuit that can amplify signals from 0 to 30 MHz was found in a 90s Popular Electronics....
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
In this circuit the output current is limited by R3. For a 300 mA current, R3 must have 12 Ω. For...