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PROJECT DESCRIPTION

The main objective of this project is to design a wireless transmitter to transmit the audio signals for remote area. The circuit allows you to watch your favorite TV programs at late nights without disturbing other family members. Thisproject works on the principle of FM radio transmission.

Nowadays most of the modern TVs are equipped with audio-in/out and video-in/out RCA sockets. By using an RCA-to-RCA cord, you can connect the audio output of your TV to the transmitter’s input.

The proposed system uses these three components: a variable frequency amplifier, a tuned circuit,an audio amplifier and a battery for power supply.  The variable frequency amplifier is used to increase the signal strength. The frequency is followed by the tuning circuit. The audio amplifier is used to increase the power of the audio signal.

The TV audio output is connected to the transmitter input with the help of the RCA cord. You can listen to this audio on mobile phone by using FM radio.

PROJECT HIGHLIGHTS
Non-Microcontroller Project.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • Transistors
  • Coils
  • Resistors
  • Trimmers
  • Capacitors & Antenna
Software Requirements
  • None
Q & A
Q:  How should I feed the song to the device?
A:  One can feed the song to the device through head phone socket provided on PCB
Q:  Is it possible to transmit the song through a Computer?
A:  Yes it is possible to transmit the song through PC.
Q:  What is the FM range for radio?
A:  The FM band range is from 88MHz to 108MHz.
Q:  Can I also send voice signal?
A:  Yes, one can send voice signal with modification at user end.
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