Q4: a) which of the following analogue modulation scheme requires the minimum transmitted power and minimum channel band -width: a-VSB b-DSB-SC c-SSB d-AM b) A 4 GHz carrier is DSB-SC modulated by a low pass message signal with maximum frequency of 2 MHz . the resultant signal is to be ideally sampled. The minimum frequency is a- 4MH b- 8MHZ c- 8 GHz d- 8.004GHZ

Q: In the experimental set up to measure the sensitivity of a radio receiver, a standard AM signal with…

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Q: What is the purpose of the limiter circuit in the FM system? to remove the variation in the FM…

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Q: * ?ls the following figure is the Deviation sensitivity of FM modulator No Yes A 100KHZ carrier with…

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Q: RF carrier 10 KV at 1 MHz is amplitude modulated and modulation index is 0.6. Peak voltage of the…

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Q: If the carrier frequency 1200hz and reference voltage =120 V with modulation Index 0.4 and…

A: We need to find output voltage and output frequency

Q: 2.7 2.1 1.5 0.9 0.3 Amplitude -0.3 -0.9 -1.5 -2.1 -2.7 -2 -1.5 -1 -0.5 0.5 1 1.5 2.

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Q: 2. (a) Find out the modulation index of the following signal? $(t) = 19 cos 1000nt + 3cos10nt…

A: φ(t) =19 cos 1000πt +32…

Q: Q4: A Sinusoidal carrier frequency of 1.2MHZ is amplitude modulated by a sinusoidal voltage of…

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Q: Question 4 a. AM modulation is inefficient. With reference to the frequency domain, explain why. How…

A: As per the guidelines of bartleyby I need to answer first subpart only if they are not interlinked…

Q: In an AM signal when the modulation index is one, the maximum power Pt is in the form of carrier…

A: Given,  an AM signal having the modulation index, ma= 1 Maximum power is, Pt Carrier power is, Pc

Q: Which is not true in simultaneous modulation? a. the AM signal is consisting of more than 1 pair of…

A: Choose the correct option Which is not true in simultaneous modulation?

Q: increases as the length of channel increases. (interference, distortion, additive noise,…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: The purpose of Aliasing filter is to limit the of the baseband signal.

A: Purpose of the aliasing filter is to limit the... Of the baseband signal

Q: Over modulation occurs

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Q: In R3E, how much % of the total power is in the sideband at 90% modulation

A: In this question, how much % of the total power is in the sideband at 90% modulation.

Q: Course: Data Communication & Network

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Q: C(t) and m(t) are used to generate an AM signal.The modulation idex of the generated AM signal is…

A: The required ratio can be given in terms of the modulation index and carrier power as shown below:…

Q: To obtain SSB mark in single sideband modulation by applying filtering method are required. The main…

A: According to the question, we need to explain the generation of SSB signal by filter method and also…

Q: OV- 15 V - 15 V 13V 15 V ---|---· - 15 V

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Q: the binary modulation scheme where 1 is represented by +A and 0 is represented by -A is called:…

A: NRZ→Non return to zero RZ→Return to zero

Q: 5- Compare between the powver transmitted in the (DSB-SC) and (DSB) if modulation index m-1.

A: The solution is given below

Q: From the figure shown below, find the modulation index, then write an equation represents the shown…

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Q: In AM modulation, if the modulating signal amplitude is of 3.08V and carrier amplitude is of 11.54V,…

A: Given: In AM modulation, Amplitude of modulating signal, Vm=3.08 V. Amplitude of carrier signal,…

Q: Question 1/ Show what is the difference between the Narrow and wideband spectra's of the Frequency…

A: NBFM = Narrowband frequency modulation  WBFM =Wideband frequency modulation    These two type of…

Q: For sinusoidal modulation in an AM system, what will be the value of the modulation index when the…

A: For an amplitude modulated system under sinusoidal modulation, the modulation index (m) can be…

Q: determine the bandwidth of the multiplexed signal.

A: Amplifier An electronic device or we can say circuit arrangement in which for small amplitude signal…

Q: Q4: A Sinusoidal carrier frequency of 1.2MHz is amplitude modulated by a sinusoidal voltage of…

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Q: 8.a. Which of the following statements about OSNR and BER is correct? A. BER isn't related to OSNR.…

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Q: (4) A PM signal has a deviation ratio of 3. The maximum modulating signal is 5 kHz. The bandwidth of…

A: In this question we need to find a bandwidth frequency

Q: [Q2] Answer the following: (a) Explain the effect of the value of u on the modulation quality of…

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Q: 24. Compare Delta modulation and delta pulse code modulation techniques in bandpass communication.

A: Compare Delta modulation and delta pulse code modulation techniques in bandpass communication.