Experiment-9-Pcomms-.docx - Experiment 9 Envelope Recovery...

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Experiment 9: Envelope Recovery Date Conducted : February 22, 2019 Date Submitted: February 28,2019 Group Member : (1)Calagui (2) Espiritu (3) Gabiosa (4) Mendoza (5)Tan Objective: The activity aims to understand the principles of modulation and demodulation using TIMS modeling Intended Learning Outcomes: The student shall be able to: 1. define the ideal envelop detector 2. knows the limitation of the diode detector as an approximation to the ideal Results Needed: 1. For the case m < 1 observe that the output from the filter (the ideal envelope detector output) is the same shape as the envelope of the AM signal – a sine wave. Display the original message and the output of the envelope recovery together, graph the output. Analysis of the Result: Utilizing the Rectifier as the envelope detector at m < 1, it can be observed that the original message signal was completely recovered maintaining the amplitude and the characteristics of the message. 2. Repeat the above step for m > 1. Graph the output. Explain what you observed.
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Analysis of the Result: Using the Rectifier as the envelope detector at m >1 it can be observed that the signal recovered has
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  • Winter '17
  • Rectifier, Espiritu, mendoza, Calagui, Gabiosa

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