Simple Am Transmitter And Receiver Circuit Diagram
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The 80 turns coil and 365pf variable capacitor form a tank circuit which receives the signal through the antenna and then the signal is detected by oa91 diode and amplified.
Simple am transmitter and receiver circuit diagram. Now you can listen the sound from speaker. Used in audio communications to. Radio receiver working principle. Here is the circuit diagram of a simple am transmitter circuit that can transmit your audio to your backyard.
The design is simple and sensitivity and selectivity of the receiver are good. In figure 1 there are three radio stations each broadcasting at a different wavelength each station is broadcasting a radio signal consisting of a carrier wave and an audio signal. This circuit is designed with limited power output to match the fcc regulations and still produces enough amplitude modulation of voice in the medium wave band to satisfy your personal needs. The circuit is quite simple and easy to build since it applies only a few electronic mini mw transmitter.
This circuit is available in kit form and can work well since the kit available. Simple ir audio link circuit applications. Make sure that distance between transmitter and receiver sections is below 30cm. It is similar in principle to the zn414 radio ic which is now no longer available.
Station 1 is broadcasting at am 920 station 2 at am 1460 and station 3 at am 1040. Disconnect the batteries from transmitter and receiver. You will love this. Apply the audio signal at transmitter section using a mobile phone or a music player.
The schematic shown below is a simple am receiver circuit uses only one transistor and some other components.
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Simple Ir Audio Transmitter And Receiver Circuit Circuit
