4- Draw and explain the operation of frequency demodulation.
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Solved in 4 steps with 2 images
- With the aid of diagrams, show and explain how phase locking is used to demodulate a frequency-modulated (FM) signal.2. Mention the advantages of indirect method of FM generation? 4.How to calculate the efficiency in frequency modulation and what is the highest value for efficiency in frequency modulation
- What is the importance of the modulation percentage in an AM system, does it have to do with over modulation, does it have to do with distortion?What is the main feature in AM modulation , that is used to judge if the modulation is good or not ? Explain with examples .Explain the concept of "frequency hopping" and its advantages.
- Explain the relative merits of high- and low-level modulation schemes. Please DO NOT copy from the book. Write the explanation by yourself.What is the period and frequency of this signal? Is the frequency constant?What is the bit rate of a given signal?What is the baud rate of a given signal?Explain why we can still receive monophonic FM signal with our stereophonic FM receiver by showing its block diagram and discussing it
- There exist several methods to perform AM demodulation, consider a requirement where we intend to design an AM receiver which is characterized by less distortion and high SNR.Identify which type of AM demodulation scheme is mentioned in the above statement and explain one such demodulation with appropriate sketch.Compare and contrast different AM modulation and demodulation schemes in various aspectsExplore one interesting application area involving Amplitude Modulation with explanation and neat sketch.Q:1. Suppose the signal contains frequencies up to 10 KHz. What is the minimum frequency of signal sampling that makes it possible to recover the signal after sampling? 2. If the channel has frequency bandwidth of 5 MHz. What is the smallest sampling period T which provides zero ISI ?. What are specifications of Digital modulation techniques?