This converter converts a signal in the 200 kHz to 3.8 MHz band into frequency signals that can be tuned on a 3.5 MHz receiver. Coil data not provided.
This medium wave commercial receiver from the 1960s was found in a Japanese publication at the...
Found in an American circuit manual from the 1970s, this circuit can use any general-purpose transistor....
We found in this American documentation this circuit for activating common cathode displays. In it we...