Found in an old American documentation this FM modulator makes use of a varactor diode. The circuit can be easily implemented given the small number of components used.
I found this circuit in an English magazine from July 1982. The circuit is still viable as all...
This simple circuit was found in the Spanish magazine “Todo Electronica”, in an edition of 1996....
September 2016 - Mouser Electronics is providing new ultraviolet LEDs VLMU1610 of Vishay suitable...