This 6-transistor Japanese radio from the 1960s used germanium transistors and had an output power of 180mW. The circuit is of the superheterodyne type with push-pull class B output.
Although the BD135 transistor is not specifically for RF applications, some of them can easily...
We found this circuit in an English publication from 1980. It provides a logical output signal when...
The voltage of this circuit can be between 4 and 30 V and 14 V is recommended for a 5.5 W output. The...