With this passive circuit it is possible to modulated in amplitude a low intensity RF signal. The circuit is from old American documentation and uses a germanium diode as its main component.
This circuit is from a 1998 Electronics Now and can be easily assembled since it uses a common...
This circuit triggers three incandescent light bulbs following the audio signal applied to its...
This circuit was obtained in the SGS manual of linear integrated circuits of 1982. The components used...