This circuit for medium and short wave range was found in an American documentation from 1992. The circuit can use general purpose transistors and the antenna can be external or telescopic.
We found this circuit in the February 1989 issue of Radio Electronics magazine. The selectors are...
This circuit, which generates a linear sawtooth signal, can be used in a frequency-band...
This Audio System circuit was found in 1965 documentation. It is a 50 ohm line circuit with 22 dB...