Do you have an idea to create your own radio station, transmit the music around the house, or simply create a wireless link between your iPod and a receiver in your car, this FM transmitter MP3 will let you do these things easily. With BA1404 HI-FI Stereo transmitter you will be able to transmit MP3 music from your iPod, computer, discman, walkman, and many other audio sources.

This FM transmitter MP3 design is a result of many hours of testing and tweaking. The goal was simple; to test many existing BA1404 transmitter designs, compare their performance, identify weaknesses and come up with a new BA1404 transmitter design that improves sound quality, has very good frequency stability, maximizes transmitter’s range, and is fairly simple for everyone to build. We are happy to announce that this goal and expectations have been met and even exceeded. Get one FM Transmitter for MP3 on Amazon

BA1404 Stereo FM Transmitter MP3

FM Transmitter MP3 Circuit Diagram

FM Transmitter MP3 Schematic
The FM transmitter can work from a single 1.5V cell battery and provide excellent crystal clear stereo sound. It can also be supplied from two 1.5V battery cells to provide the maximum range.

FM Transmitter Schematic

FM Transmitter Printed Circuit Board (PCB)

This a suggested high-resolution PCB layout for BA1404 FM Transmitter . It is ready for printing and no further adjustments are necessary. Dimensions of the PCB should be 57 mm x 35 mm (W x H). Source for BA1404 Stereo FM Transmitter MP3

FM Transmitter PCB

See also: Wireless Video Circuit – RC Radio Circuit