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In a FM transmitter the output is changing between 90.001 and 89.999 MHz 1000 times a second. The intelligence signal amplitude is 3 V. Determine the carrier frequency and intelligence signal frequency. If the output deviation changes to between 90.0015 and 89.9985 MHz, calculate the intelligence signal amplitude.
A three-phase fault occurs at the generator terminals causing the angle of part (c) to increase. The fault is subsequently cleared. Find the maximum value that this angle can reach during the fault (i.e. the critical clearing angle) so that the ge..
Suppose a pure Si crystal has 5 × 1028 atoms m-3. It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that ni =1.5 × 1016 m-3.?
Consider an angle-modulated signal xc(t) = 10 cos{(10^8)pi t + 5sin 2pi(10^3)t}. Find the maximum phase deviation. Find the maximum frequency deviation.
1. Calculate the Fourier transform of f(t)=5 sinc ([t-0.2]/2), and graph the magnitude and phase as function of f. 2. A military satellite uses 10 GHz for the downlink frequency. The distance to the satellite is approximately 36000 km.
An electric flux density is given by D = D0, a rho , where D0 is a given constant, (a) What charge density generates this field (b) For the specified field, what total charge is contained within a cylinder of radius a and height b, where the cylin..
A dc power distribution cable has two #6 copper wires. The copper wire table in the textbook lists each wire as having resistance of Ro=.4028 ohms per thousand feet at temperature of 25C. The temperature coefficient of copper is alpha=.004 per C.
The volume density of atoms for a bcc lattice is 5 x 1026 m-3. Assume that the atoms are hard spheres with each atom touching its nearest neighbors. Determine the lattice constant and effective radius of the atom.
The lattice constant of GaAs is a =5.65 angstrom. (a) Determine the number Ga atoms and As atoms per cubic centimeter.
A motor operated from a 480 V(rms), 60 Hz source has an output of 800 hp. The motor is 89% efficient and has a power factor of 69.5% lagging. What is the electrical input power in watts of the motor
A four-pole, 450-kW, 4.6-kV SHUNT GENERATOR HAS ARMATURE AND FIELD RESISTANCES OF 2 AND 333 Ohms. The generator is operating at the rated speed of 3,600 r/min.
Suppose that we wished to match an admittance using a double-stub tuner where the stubs are lambda/4 apart. For what range of admittance values can
The ac voltage that is supplied from a wall plug to the incandescent light is 170V sin[(377 rad/s)t]. If the current flowing through the light is 350 mA sin[(377 rad/s)t], determine the power that the light is consuming.
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