FM DEMODULATION Why is it necessary to recover the original information signal from the carrier?
Q: Explain how an all-digital receiver would process the signal of an analog AM radio broadcast signal?…
A: A signal which is to be communicated is impressed on a carrier wave via modulation, then amplified…
Q: Homewo • If a carrier modulated by what is the pe signal?
A:
Q: Explain frequency hopping acquisition scheme using a simple PN sequence. Assume that the length of…
A: Frequency hopping acquisition scheme using a simple PN sequence. In a frequency hopping, the…
Q: For a FM system, the maximum freq deviation is 75 kHz and the maximum freq of the info. signal is 10…
A: According to Carson's formula, the bandwidth (B) of a frequency modulated system can be expressed as
Q: if an eight-level encoding scheme is used in a 30-kHz bandwidth system, what is the channel capacity…
A: The solution is given below
Q: n a superheterodyne receiver, why is it important to convert the RF Signal to IF Signal before…
A: Superhetrodyne Receiver :It is a radio receiver which consists the frequency level which is the…
Q: Write three important factors which justify the need of modulating a message signal. Show…
A: The method used to convert information into electrical signals that are best suited for transmission…
Q: Q1// A carrier signal given by 10cos10000t volt is AM/DSB-LC modulated by the message signal…
A:
Q: a) What are the disadvantages of a TRF receiver? Explain how a superheterodyne receiver overcomes…
A: In TRF receiver after receiving signal from antenna, a RF amplifier is used to select the required…
Q: In a delta modulation system, how many bits per sample are transmitted by the transmitter?
A: The solution is provided in the following section.
Q: : How we can increase signal to noise ratio without increasing transmitted power in FM?
A: Basic problem on communication system subject. Look below for the explanation..
Q: A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 1…
A:
Q: Q7) What are the orbital characteristics of GPS satellites? Q8) What is the full form of PRN code?
A: The orbital characteristics of GPS satellites are: There are a total of 24 satellites which rotates…
Q: Why is a high percentage of modulation desirable?
A: Why is a high percentage of modulation desirable?
Q: For a given optical fiber cable in air, what happens to the maximum usable data rate when the…
A:
Q: or Delta modulator, how many bits transmitted per sample?
A: In this case ,the number of bits transmitted per sample for a delta modulator is to be determined.
Q: (i) Define modulation index. (ii) Why is the amplitude of modulating signal kept less than the…
A: Amplitude modulation- When modulation is done by keeping the frequency and phase of carrier waves…
Q: 1. The maximum frequency deviation of the carrier is + 15 kHz and the maximum modulating frequency…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: What are the differences between homodyne and super heterodyne receivers.
A: The difference between Homodyne and Super heterodyne receivers is shown in below table. Homodyne…
Q: Question 3: What are the similarities and differences between the information signal m (t) obtained…
A: Difference between modulated signal and demodulated signal- In modulation process original signal…
Q: 1) What is selectivity? Explain how you can increase selectivity of a receiver. ( 2) How does type…
A: Selectivity is defined as the measure of the performance of the radio receiver to respond only the…
Q: c) The superheterodyne receiver (SuperHet) is an architecture that enables the same receiver to…
A: BLOCK DIAGRAM OF SINGLE STAGE SUPERHETERODYNE RECEIVER
Q: a) Using a well-label block diagram, explain the basic analog communication system b) What is the…
A: Communication is the process of establishing connection between two points for information exchange.…
Q: Enumerate things that can be done to improve transmission distance and communications reliability of…
A: The VHF bands(between 30 MHz to 300 MHz), UHF and microwave and communication like television, radar…
Q: For the implementation of Superheterodyne receiver circuit, which is better to use: High side…
A: According to the question, for the implementation of the Superheterodyne receiver circuit, which is…
Q: 5) If the amplitude of the carrier signal is 7V, and the modulation index m-0.8, find the amplitude…
A: In this question we need to find the amplitude of message signal Am
Q: c) The superheterodyne receiver (SuperHet) is an architecture that enables the same receiver to…
A: Introduction - Superheterodyne receiver - A superheterodyne receiver, also known as a superhet, is a…
Q: n a superheteridyne receiver, what is the value of the image frequency if a 580 kHz channel is being…
A: Given that IF frequency = 455 khz signal frequency = 580 khz Formula of image frequency is given by…
Q: What is the maximum transmission efficiency of an AM signal?
A: The solution is provided in the following section.
Q: b) Draw the block diagram of QPSK transmitter. Explain its operation and write all the design…
A: QPSK is the abbreviation of "Quadrature Phase Shift keying. As we have already discussed, that in…
Q: Why is it important to know the efficacy of AM modulation?
A: Communication signal problem . Below is the explaination..
Q: Why we use the modulation ?
A: The explanation is as follows.
Q: 5. What will be the final output of the following figure? where Ac amplitude of carrier signal, wc =…
A:
Q: ) Give at least two points to explain why carrier modulation is necessary for a wireless…
A: Modulation is the process of changing or shifting the low frequency message content into high…
Q: If the natural frequency of a PLL is 5 MHz, and the upper pull-in range is 5.1 MHz, determine the…
A: Given: The natural frequency of a PLL is 5 MHz, and the upper pull-in range is 5.1 MHz. fn=5…
Q: What is AMOLED? why is it used? advantages disadvantages ?
A: Amoled is a technology that is used in the display of smartphones. The full form of Amoled is Active…
Q: 2. What is the minimum B. Wrequired to nodulate the voice signal by using AM-DSB -SC? 3. Why we used…
A:
Q: 6. The original electrical information signal to be transmitted is called * Modulating Signal…
A: 6. A brief about the options given:- Carrier:- A Carrier Signal is an electromagnetic signal with a…
Q: What is AMOLEDs? History of AMOLED?. What is purpose of AMOLED?. The parts and components of amoled?…
A: AMOLED is a display technology and stands for Active Matrix Organic Light Emitting Diodes. It is a…
Q: What did mean the term analog communications? a- A method in which one of the properties of a…
A: Analog communication is a means to transfer data through channels or computers for long and short…
Q: What is meant by resolution? How is it related to the accuracy of ADC?
A: ADC- Converting analog signals to digital signals in applications called aural ADCs, such as digital…
Q: 3. What are the differences between homodyne and super heterodyne receivers.
A: A radio receiver is a wireless radio component which converts the information carried by radio waves…
Q: Suppose s(t) is an angle modulated signal with message signal m(t), peak frequency deviation Af =…
A:
Q: why is FM less prone to noise as compared to AM?
A:
Q: а) Angle modulation is categorised as either Frequency Modulation (FM) or Phase Modulation (PM)…
A: Angle modulated is categorised as either Frequency Modulation(FM) or Phase Modulation (PM) depending…
Q: detection
A: -Radar is a detection system that uses radio wave to determine the distance (range), angle, or…
Q: 3. Explain the benefit of using IF stage in super heterodyne receivers.
A: Super heterodyne receiver is also known as beat receiver, this receiver consist a oscillator which…
Q: 4. What are the advantages of FM? 15. What are the drawbacks of slope detector? 8. How FM wave can…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
FM DEMODULATION
Why is it necessary to recover the original information signal from the carrier?
Step by step
Solved in 2 steps
- With the aid of diagrams, show and explain how phase locking is used to demodulate a frequency-modulated (FM) signal.For a FM system, the maximum freq deviation is 75 kHz and the maximum freq of the info. signal is 10 kHz. What will be the total bandwidth of the FM system? What will be the modulation index?Why is the FM modulation index important?
- Modulation and DemodulationHi! Please answer this thanks!1. Define AM and draw its spectrum?2. Give the significance of modulation index?3. What is the different degree of modulation?4. What are the limitations of square law modulator?what happens when the modulation order is increased for a modulated signal?4. What are the advantages of FM?15. What are the drawbacks of slope detector?8. How FM wave can be converted into PM wave?
- 8) write explanation of amplitude modulation 9) explain modulation index effect on modulated AM signalQ: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 ?Consider sinusoidal modulation in an AM system. Assuming no overmodulation, what will be the modulation index (μ) when the maximum and minimum values of the envelope are are 3 V and 1 V respectively?
- What is the main disadvantage of linear delta modulation? What is the solution for this problem? this question from digital communication course.determine the basic concept of radar transmission and detection of rf signal. Illustrate with labelsDiscuss the advantages and disadvantages of using amplitude modulation