Infographics: 8 Steps to Build/Design Your Own FM Station

Many of us love to tune to the favorite band of FM Radio station for listening news, information, music, and other media-related programs. Many times we make our nearest community feel surprised by enabling them to know some astonishing information. It is the time to begin and start spreading your radio to your loved ones by building and designing it with your own hands at a cheaper cost.

This concept of building an embedded radio transmitter not only gives a personalized FM station but also makes you learn some technical concepts behind it. This transmitter is designed with the basic electronic components like resistors, transistors, and capacitors that make the whole system a very cost-effective one.

The step-by-step procedure of this FM building concept assists you to make it professionally. And, you can either connect a microphone to this system for listening purpose, or media players like MP3 and other audio systems for playing specific songs. We hope that this infographic certainly provides hands-on experience of making the FM, and also makes fun of the nearest community to you.

Note:  This FM transmitter building concept is only for the students and hobbyists to design circuits and, not meant for commercial purposes. Terms and conditions must be satisfied for building the commercial and long-range type of FM station in terms of frequency, license, and so on, and for the kind of information this infographic topic does not cover under this group.

8 Steps to Build/Design Your Own FM Station to Connect to Your Mobile

1). Get the Idea of the Project and Analyze Its Implementation

We are going to build a small range FM transmitter to learn about broadcasting at FM stations and also to let a group of people listen to your information or any other audio songs.


2). Choose the Required Components

Select the components according to the list of components given below to build a circuit diagram.

Transistor Q1 BC 547 Resistor R1 10K
Transistor Q2 C2570 Resistor R2 15K
Transistor Q3 2N3866 Resistor R3 4K7
Capacitor C1 2.2/50V Resistor R4 4K7
Capacitor C2 1KPF Resistor R5 82E
Capacitor C3 10Pf Resistor R6 1K
Capacitor C4 1KPF Resistor R7 22E
Capacitor C5 10PF Inductor L1 4 Turn+1T
Capacitor C6 1KPF Inductor L2 7Turn
Capacitor C7 15PF Inductor L3 7Turn
Capacitor C8 1KPF Inductor L4 5Turn
Capacitor C9 1KPF Battery 9V
Capacitor C10 10KPF
Capacitor C11 15PF
TR1(Trimmer) 22F Antenna Yagi or Stick
TR2 22PF Connector 4
Mic Condensor Typ

Draw the Circuit Schematic

Draw the circuit diagram using the required components.

Install the Components onto Breadboard or PCB

Fix the resistors, capacitors, inductors, and other components in an appropriate place by following the circuit diagram, and then use a speaker jack to connect a music system or TV, or else a microphone to transfer the recorded audio. Next, turn on the power supply by using a battery.

Connect Audio System

Start speaking to the audible message via a microphone, or connect audio systems like TV/Music player through the audio jack.

Turn the FM Receiver on the Mobile or Any Other FM Receiver

Open the FM receiver application on your mobile, or any other FM receiver device, and then tune the FM band.

Tune the Circuit

Adjust the frequency by adjusting the variable capacitor to get the range between 88 – 106 MHz by using a screwdriver until you hear the transmitted audio clearly on the FM receiver.

Make Your FM Known by a Closed Group

If you want this FM station to be available for usage for your closest group, then enable them to turn their FM receivers on to your FM station band or frequency. You can cover up to 5 km distance if the antenna is Yagi UDA, and up to 200 m range if it is a stick type antenna.

8 Steps to Build-Design Your Own FM Station to Connect To Your M

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