This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
This simple radio receiver can pick up AM stations in the MW range from 520 to 1600 kHz using a...
This circuit, which may have appeared elsewhere on this site, is from the integrated...
This circuit is from an American 1964 documentation. Transistors of the time are used, but modern...