Discuss about the multi-carrier modulation technique used in 3G wireless systems. Justify why this method is better than Frequency Division multiplexing.
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Q: A carrier wave of peak voltage 12 V is used to transmit a message signal. Calculate the peak voltage…
A: The relation for the modulating index is given by μ = AmAc where, Am is the peak voltage if the…
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Q: An airport has a radar transmitter that contains an LC circuit oscillating at 2.10 x 10³ Hz. (a) For…
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Q: A radio can tune over the frequency range of a portion of MW broadcast band: (800 kHz to 1200 kHz).…
A: Given Data: The first frequency is f1=800 kHz=800×103 Hz. The second frequency is f2=1200…
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A: Given Data: The wavelength of a CB channel is, λ=11.63 m The expression for the relationship…
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Q: The LC circuit of a radar transmitter oscillates at 42.4 GHz. (a) What inductance is required for…
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Q: A transmitter transmits an AM signal with a carrier frequency of 1470 kHz. When a superheterodyne…
A: The AM receiver frequency of 455 kHz is tuned to 1530 kHz with a superheterodyne radio receiverIn…
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: 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 LC circuit of a radar transmitter oscillates at 17.5 GHz. (a) What inductance is required for…
A: Given data: The frequency of oscillation is f=17.5 GHz. The capacitance is C=1.10 pF.
Q: A radio tuning circuit contains an RLC circuit with R = 5.0 Ω and L = 2.8 mH. (a) Whatcapacitance is…
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Q: An LC circuit in an AM tuner, such as that in a car radio, consists of a 2.1-mH inductor and a…
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Q: The LC circuit of a radar transmitter oscillates at 26.7 GHz. (a) What inductance is required for…
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Q: Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency…
A: Given : Wavelength (λ) = 11.11 m
Q: The LC circuit of a radar transmitter oscillates at 49.6 GHz. (a) What inductance is required for…
A: Given data as per question frequency = 49.6GHz capacitance = 3.20pF
Q: admittance for an operating frequency
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Q: Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency…
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Q: An RLC circuit such as that of Figure (a) has R-4.500C-19.7 µF, L-0.884 H, and Em-38.8 V. (a) At…
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Q: The LC circuit of a radar transmitter oscillates at 40.0 GHz. (a) What inductance is required for…
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Discuss about the multi-carrier modulation technique used in 3G wireless systems. Justify why this method is better than Frequency Division multiplexing.
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