Write two factors justifying the need of modulation for transmission of a signal.
Q: An input of a conventional AM modulator is a 300 kHz signal which supports an amplitude of 30 Vpp.…
A: Consider the given data as below. Carrier amplitude, AC=30 V Modulating signal amplitude, Am=5.0 V
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Q: A carrier wave of peak voltage 12 V is used to transmit a message signal. Calculate the peak voltage…
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Q: compute the wavelength. an AM station operating at a frequency of 750 Hz
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Q: The antenna used in a car has an approximate length of about 75 cm typically oriented vertically.…
A: The antenna used in a car has an approximate length of about 75 cm has the length of one quarter of…
Q: Explain, why high frequency carrier waves are needed for effective transmission of signals. A…
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A: Part (a) Given: The minimum capacitance of capacitor is Cmin=8.5 pF. The maximum capacitance of…
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Q: 1. a. What is the independent variable and what are its units? b. What is the dependent variable and…
A: Dear Student, as the question consists of multiple questions with multiple subparts, I am only…
Q: A carrier wave of peak voltage 12 V is used to transmit a message signal. What should be the peak…
A: Given data: Carrier wave peak voltage is, Vc=12 V Nodulation index is, μ=75%=0.75 Formula used: The…
Q: Explain the meaning of terms : Attenuation and Demodulation. For an amplitude modulated wave, the…
A: Attenuation: It is defined as the gradual loss of the strength or power of the flux while…
Q: A carrier wave of peak voltage 18 V is used to transmit a message signal. Calculate the peak voltage…
A: The incoming incident signal is often not compatible with the communication medium and hence…
Q: The output of a transmitter is 2 mV mms and the noise was 0.5 mV rms the SNR is o 16 none of the…
A: Noise value (N) = 0.5 mV S = 2 mV
Q: An outdoor WiFi unit for a picnic area has a 100-mW output and a range of about 30.9 m. What output…
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Q: An AM transmitted radiates 9kw with the carrier u-modulated and 10.126 kw when the carrier is…
A: The formula relating the power of the modulated carrier wave with the unmodulated carrier wave is…
Q: The TV video signal is AM, while the TV audio is FM. Why?
A: For the transmission of the video section of a TV signal AM signals are used due to the least…
Q: Define modulation index. Why is its value kept, in practice, less than one? A carrier wave of…
A: The modulation index is a measure of the amount of modulation executed on a transmitter or carrier…
Q: The electrical length of the transmission line is equal to 1.5 wavelengths. What is the total phase…
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A: To determine: Comparing the meaning of the prefix “micro” in SI units in the term microwaves
Q: What is meant by term ‘modulation’? Draw a block diagram of a simple modulator for obtaining an AM…
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Q: CONNECTING A TRANSMITTER WITH AN IMPEDANCE ANTENNA (ZR=300 OHMS) BY A TRANSMISSION LİNE WITH ITS…
A: Given: Impedance of antenna τb= 300Ω…
Q: (a) How is amplitude modulation achieved? (b) The frequencies of two side bands in an AM wave are…
A: (a) The process of modulating the amplitude of the carrier signal in correspondence with the message…
Write two factors justifying the need of modulation for transmission of a signal.
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