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MATLAB Simulink Model of Amplitude Demodulation



Before you read this post, see the simulink model of amplitude modulation. Demodulation is the process of extracting the baseband message signal from the carrier so that it may be processed at the receiver. Demodulation is necessary for the massage signal to be received properly at the receiver. For that purpose various methods are used like diode detector method, product detector method, filter detector etc. The same has been implemented on simulink model. That model is then applied to Texas instrument Kit, which will be discussed in the later post. Lets see the block diagram of a basic demodulator :-
BLOCK DIAGRAM OF DEMODULATOR
Low pass filter has been implemented to extract the carrier from the modulated signal. Lowpass filter (LPF) filters  out the high frequency component and allows the low frequency component to pass. Since the carrier signal is of relatively much higher frequency than that of message signal, carrier signal is attenuated while the message signal is received at the receiver.
MATLAB SIMULINK MODEL OF DEMODULATION
Here is the snapshot of MATLAB Simulink Model of Amplitude Demodulation which you can also by download it from here.


 OUTPUT SHOWING DEMODULATION AT THE SCOPE


CERTIFICATE
This project named “AMPLITUDE MODULATION USING MATLAB SIMULINK AND TEXAS INSTRUMENT KIT C6713”, in all respect is the property of the following personnel who undertake this project as the term project in EE-322 ‘DSP & Filters’ in summer semester 2010. However the copy of the project can be distributed upon the approval of the following members:-

1.Muhammad Ahmed (elprojects@yahoo.com)

2.Jamal Ahmed

3.Muhammad Faisal

Posted by Muhammad Ahmed on 19:00. Filed under , , , . You can follow any responses to this entry through the RSS 2.0. Feel free to leave a response

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