Compared to the simple diode needed to demodulate AM radio signals, the detector circuits used for FM are ... videos talking about the mysteries of RF modulation; SSB, anyone?

These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant circuit passes a specific ... radios is that no active RF amplification is used.

A design of voltage doubler circuit has been studied in context ... Therefore, it is possible to support the power consumption by RF energy harvesting. For this it is necessary to use a non-linear ...