Write the difference between (Adaptive Modulation) and (BPSK, DPSK, QPSK) and mention the advantages and disadvantages of each of them?

Q: 1) A capacitor has 5mm length and 4mm width. Two parallel plates are 2mm apart. Between the…

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Q: The "over-the-air" television channel 6 operates between frequencies 82 MHz and 88 MHz, with the…

A: The answer is 79.64 ohms. If you have any query please feel free to comment Explanation:

Q: The speech quality for a particular mobile communication system is just acceptable when the received…

A: (a)Received power at the mobile receiver is PR = -110 dBm (b)Maximum acceptable path loss Lmax is…

Q: (1) Analytical part: Find the impedance [z] parameters, hybrid [h] parameters and transmission [T]…

A: Solve for impedance parameters.

Q: Exercise 2. A plane wave with a frequency of 3 GHz is propagating in an un-bounded material with &,…

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Q: 3. Consider a compact dise that uses pulse-code modulation to record audio signals whose bandwidth W…

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Q: An unknown load ZL is attached to a 75 Q air-spaced and lossless slotted line. Using a 150 MHz…

A: To calculate the position of the first voltage standing wave minimum on the slotted line, we can use…

Q: (a) Solve the total impedence and phase angle. (b) Write an expression for I(t). (c) Calculate the…

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Q: What is the minimum link bandwidth to multiplex 10 channels each has 3KHz bandwidth using FDM with a…

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Q: Describe the effect of the low-pass and high-pass filters on the output of the adder. Comment on (a)…

A: Effect of the both filters on the output of the adder is

Q: A transmission line of electric length 1 = 0.375 2, and operates at a frequency of 1 GHz, is…

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