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Two stations, located on mountain tops 40 km apart, communicate with each other using two identical paraboloidal antennas with pencil beam- width of 1°, aperture ef?ciency of 0.8, and radiation ef?ciency of 0.85. The transmitting station has Pt = 60Wand Lt = 2 at 8 GHz.With Lr = 1.5 and Lch = 2.5, find the diameter of the antennas and the signal power available at the receiver input.
(a) The key elements of a protocol are the syntax, semantics and timing. Give a brief explanation of each of these key elements. (b) A file contains 4 million bytes. Compare
Question: a) Give three ways how to reduce cost in embedded systems. b) What is a microcontroller? How is it different to a microprocessor? c) Briefly comment on the "A
Q. Illustrate the basic use of binary in IT ? The binary system is thus useful in IT because not only any number, but any information, can be represented in terms of only 0s an
Q. A coaxial cable with polyethylene dielectric (ε r =2.26) connects an antenna to a receiver 30maway. Determine the velocity of wave propagation in the cable and the delay of the
Q. Consider a lossless transmission line with only a series reactance X. (a) Find an expression for the real power transfer capacity of the transmission system. (b) What is P
Develop and execute a program to analyze the circuit shown in Figure (a), and use PROBE for plotting v C (t).
register array?
Explain what is Linker? Linker: A huge program is divided in smaller programs termed as modules. A linker is a program that links smaller programs together to by a large prog
The torque produced by each conductor in the field will be: where A is the area of the armature winding in the magnetic field, Ia is the current in armature winding, and B
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