![]() ![]() Both questions are answered in the comments section by Seetharaman and John Many of the readers have posted comments in this circuit asking how to calculate the frequency of the output wave and how to make an inductor for the tank circuit. The basic functioning of the circuit is same as the above one, two stages served by two transistors – first stage as preamplifier and second stage as oscillator and modulator. Carefully observe the schematic diagram before you build this circuit.Ģ00 Meter Transmitter – This one is yet another simple FM transmitter but more stable than the one listed above. The second stage is the modulation stage in which amplified audio signal is modulated (superimposed to a carrier waver) for transmission. ![]() The first stage is the preamplifier stage where an audio input signal is amplified before modulation. It has two stages served by two transistors Q1 and Q2. Simple Two Stage FM Transmitter – This is one of the most simple FM transmitter circuits you can try out on your breadboard. Making an FM transmitter is one of the best electronic projects that newbies can try. ![]() Usually, personal FM transmitters are plugged into the audio device, let’s say an MP3 player and then the frequency for the broadcasting is selected. For first time readers- What is an FM transmitterĪn FM transmitter is basically a small gadget that can broadcast audio from a source on a selected frequency. Today I thought of listing all of them here as a single web page, so anyone can easily navigate through all the radio transmitter circuits and its schematic diagrams. Over years we have developed a number of FM transmitter circuits with various aspects. ![]()
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