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If an FM signal is given by sFM(t) = 100 cos [2πfct +100 m(τ ) dτ ] and m(t) is given in figure, sketch the instantaneous frequency as a function of time and determine the peak frequency deviation.
Future scope on MATLAB in India
Q. What are multistageand single stage networks? Compare strengths and weaknesses of each. OR List the key difference in single stage, two stage and three stage Networks. A
Give four examples of natural insulating materials. Illustrations of the natural insulating materials are rubber, cotton, wood and mica.
Digital circuits In analog circuits, we think something about voltages on terminals ranging over natural values. This provides us the freedom to make an enormous variety
Draw and explain the circuit of feedback amplifier
Add the Contents of Register This instruction is used to add the contents of register R with the contents of accumulator and result of operation is stored in the accumu
Q. Explain crossbar exchange, with all call processing steps and diagrams. Ans: The basic concept of crossbar switching is to provide a matrix of n x m sets of contacts with
Q. If the output signal fromanAMmodulator is given by u(t) = 5 cos 1800 πt + 20 cos 2000 πt + 5 cos 2200 πt , determine: (a) The modulating signal m(t) and carrier c(t). (b)
What is the power of the signal transmitted by powerful cell phones? Ans) The powerful cell phones can transfer a signal of 3 watts.
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
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