Build a FM radio transmitter

Posted on Feb 4, 2014

This is a guide to becoming a techno rebel: a guide to becoming a radio pirate and raiding the silent airwaves with your own content. This is a follow up to my recent call for relaxing the grip on radio broadcasting in the Maldives. One of the easiest transmitters to build is a FM transmitter. A basic low power transmitter can be assembled in a fe

Build a FM radio transmitter
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w hours, using a minimal set of equipment and components and best of all, it can be done without denting the wallet too much. I am going to describe how to build a very low power FM transmitter. Do not expect this to cover the entire country, an atoll or even an island - it surely will not. However, it will be able to transmit around a block (maybe more with a good antenna) which is more than enough to tread into the world of radio and let yourself be heard. - You need basic familiarity with electronics to undertake this project. If you studied GCE O` level Physics (or A level Physics) then you should be familiar with the basic knowledge to go ahead with the construction. - You can build this using a variety of construction techniques. The preferred method would be using strip board or perf board however point to point wiring would work too. Have a look here for a quick intro to circuit construction methods. Strip boards ARE available in Male`. - The components given below can be interchanged for a equivalent and values can be approximated. So go ahead and scrounge around broken electronic items for the required components - chances are you will find most of them in broken TVs, Radios and even some toys. The tuning coil used is a length of the insulated copper wire wound around a small pencil about 6 times. The circuit can be tuned to the broadcast FM range by adjusting the coil appropriately. Turn on a FM radio and set it...

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