FM Transmitter Circuit
PLL Synthesized FM Transmitter Circuit
FM transmitter has become a popular hobby these days. From a simple FM transmitter to the digitalFM transmitter circuit, has gained knowledge can be built with PIC programming. So an FM transmitter made ??compact and controlled by a microcontroller.
A simple FM transmitter can be used as a wireless microphone (FM bugs). And can also be used as a medium for delivering audio around the home environment or a small FM transmitter station. This became a fun hobby for the RF hobby, can make or assemble an FM transmitter.
Below is a circuit diagram of stereo FM transmitter where you can experiment with it. The FM transmitter have been equipped with a stereo encoder in order to deliver the second channel audio sources. However, most important is its frequency stability because it uses a phase locked loop (PLL) as an oscillator or known as PLL synthesized FM transmitter. Ths transmitter can works in the 88-108 MHz FM broadcast band.
FM Transmitter Circuit Diagram
For educational purposes, you can explore on thisFM transmitter circuit. The heart of the PLL is an IC MC145151-2 single modulus and a frequency divider IC 74F160. Here is the block diagram and? the transmitter circuit schematic.
MPX96 FM Transmitter Circuit Board
Determination of the frequency of the oscillator follows the calculation of a binary number and pin set at 11-20, 24 of the IC MC145151-2 which can be switched on / off. Stereo encoder uses a balance modulator IC MC1496. This transmitter has a transmission range of about 50-200 feet using 11-15V from a regulated DC power supply.
Here is a link if you’re interested to explore how to make a PLL FM transmitter. You can follow the following link PLL FM transmitter. Happy studying and experimenting transmitter of a goodFM transmitter circuit.
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