AM (Amplitude Modulation) and FM (Frequency Modulation) are two different methods of broadcasting radio signals, and they have several key differences
Television transmitters and radio receivers are both important components of the broadcasting system, serving different but complementary functions in the transmission of television signals.
The smart phone FM transmitter realizes the communication between the single-chip microcomputer R7F0C807 and the smart phone APP through the 3.5mm standard audio interface, and controls the FM chip to transmit frequency modulation information through the I/O port (analog IIC), and realizes the application of the car FM transmitter function .
Building an FM transmitter and broadcasting our own signal on the radio is indeed a fun project. In particular, use this circuit because it doesn’t require you to wind your own inductor or use a trimmer and spend hours tweaking the circuit to make it work.
The miniature FM FM transmitter circuit introduced here is a kind of miniature wireless FM microphone.
The exciter of the FM302E-I type FM transmitter adopts the HPB-1210 motherboard of Japan NEC Company. Direct frequency modulation of the carrier, using phase-locked frequency stabilization and frequency synthesis technology.
FM transmitter circuit diagram Daquan (FM radio / FM intermediate frequency / megawatt radio transmitter circuit diagram detailed explanation)
One cool project I’ve been wanting to build is an FM transmitter with a good range. I’ve always been fascinated by some applications of transmitters
I introduced a Github project of a very interesting wireless FM radio station, which can turn the Raspberry Pi into a small FM radio station through code without borrowing other external devices.
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