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(a) Some antennas have a physical aperture area A that can be identified and is related to the effective area Ae by Ae = ρaA, where ρa is known as the aperture efficiency. For a circular-aperture antenna with a diameter of 2 m and an aperture efficiency of 0.5 at 4 GHz, calculate the power gain.
(b) Referring to Figure, let two such antennas be used for transmitting and receiving, while the two stations are separated by 50 km. Let the total loss over the link be 9 dB, while the transmitter generates 0.5 W. Find the available received power.
Q. Illustrate procedure of Hex to Binary Conversion? It is also simple to convert from an integer hex number to binary. This is achieved by: Convert the Hex number t
delta connectino purpose
the depletion layer in the pn junction is caused by
For a discrete time unit step input x(kT), the output y(kT) of a system is shown below, Part (a) Obtain the Z-transform of the output signal y(kT). Part (b) F
Q. For the NOR and inverter realizations shown in Figure, find the truth table, the type of gate realized, and the expression for the logic output, in each case.
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What are the three modes of operation of rotating machines
Give the properties and application of bronze. Bronze : It is alloy of copper and tin. This alloy is very brittle and hard. Its corrosion resistance is better than brass. Bron
To demonstrate a practical method of testing semiconductor diodes.
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