Q1: Considering the modulation constellation diagram in figure below, x (k) (0,1) (0,0) & (1,1) a- What is the type modulation in such case. x, (k) (1,0)
Q: cally shown below. It consist: e antenna feed has a loss of mplifier with gain of
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Q: d overall transfer function 中国四甲日南 1 周
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Q: In this circuit, assume R₁ = 1k, V₁ = 24V, VTRIG = 3V, VAK = 0.6V, VGK = 0.5v, IH = 15mA and RG =…
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Q: Q1/ Find the state and output equations for the electrical network shown in The below figure if the…
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Q: multivibrator.
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- Define the following conceptsa. Positive modulation percentageb. Modulation efficiencyc. Signal strengthd. At least one technique for building an AM transmitter.Please show a two-terminal general modulation channel model. And for the random parameter channel, what is the main effect on signal transmission?Write two factors justifying the need of modulating a signal. A carrier wave of peak voltage 12 V is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 75%?
- What is the reason why FM modulation is preferred over PM, do you write down advantages and disadvantages of each?What is the main disadvantage of linear delta modulation? What is the solution for this problem? this question from digital communication course.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?Give the formula for modulation index and explain its terms.. What are specifications of Digital modulation techniques?
- 4. A modulated signal (AM) varies between the maximum values of +18V and -18V, if the carrier has an amplitude of 12V, a) What is the modulation index? b) What is the maximum magnitude of the modulator? c) Sketch the envelope of the modulated waveHow might one determine general-direction MTF (modulation transfer function) to determine if there are any angular sensitivities to a camera system?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.