Build a Simple FM Transmitter Circuit Diagram. This FM transmitter is about the simplest and most basic FM transmitter
it is possible to build and have a useful
transmitting range. It is surprisingly powerful despite its small
component count and 3V operating voltage. It will
easily penetrate over three floors of an apartment building and go over
300 meters in the open air. The circuit
we use is based on a proven Australian design. It may be tuned anywhere
in the FM band. Or it may be tuned
outside the commercial M band for greater privacy. (Of course this means
you must modify your FM radio to
be able to receive the transmission or have a broad-band FM receiver.)
The output power of this FM Tx is below
the legal limits of many countries (eg, USA and Australia). However,
some countries may ban ALL wireless transmissions without a license. It
is the responsibility of the builder to check the legal requirements for
the operation of this circuit and to obey them.
Simple FM Transmitter Circuit Diagram
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