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Analyze the technologies for analog-to-digital and digital-to-analog conversions in telecommunications.
In analog technology, compare and contrast the advantages and disadvantages of amplitude modulation, frequency modulation, phase modulation, and Quadrature Amplitude Modulation (QAM).
Describe the specific modulation techniques that are used in a 56K modem, Asymmetrical Digital Subscriber Line, and Wi-Fi.
Explain the T(X) and the synchronous optical network (SONET) digital hierarchy.
Design a regulated powersupply that will supply 1 A output current with a DC voltage outputof +5V and -12V with a ripple voltage of 0.01 V peak to peak. The designshould provide output short circuit protection.
A conducting sphere of radius R is spinning at an angular speed ! in presence of an uniform magnetic field ˆzBo. Find the emf induced between north pole N and any point on the equator E. Hint- what is the emf induced between two end points
consider two groups are students, where the first group has 7 women and 3 men and the second group has 5 women and 5 men. Agroup is selected randomly and then students in the selected group are randomly arranged. Suppose the probability of choosin..
When the piston is at its bottom dead center, the gas is initially at 10 psig, 65°F, and 10.5 in 3 . After compression and when the piston is at top dead center, the gas is 180°F and occupies 1.5 in 3 . What would be the new pressure of the gas in..
A CT signal x(t) can be depicted as follow. It is a periodic function with T0 = 1 micro sec, and amplitude A = 1. The second signal y(t) is a sinusoid function with the fundamental frequency of 900 MHz, i.e., y(t) = cos(2*pi*fc*t)
Design a circuit, and model using HDL that 1) adds two three bit unsigned binary numbers, 2) includes a flag to determine when a overflow occurs, and 3) includes a flag indicating whether the resulting sum is even or odd.
Within a region of free space, charge density is given as ρv=ρorcosθ/a c/m3, where ρo and a are constants. Find the total charge lying within (a) the sphere, r
A spaceship moves at a speed of 0.85 c away from theEarth. It shoots a star wars torpedo toward the Earth at aspeed of 0.80 c relative to the ship. What is the velocity of the torpedo relative to the Earth
A line has an inductance of1.25mH/km with an impedance angle of 70 degree , and a capacitance to neutral of 0.01mF/km. Calculate its reactance and series impedance per unit length at 50Hz. Calculate the line admittance per unit length
A 200 ft length of solid copper wire is measured to have a resistance of .500 Ohms. a. Determine the cross sectional area of the wire in both square mils and in circular mils. b. Determine the diameter of the wire in mils and in inches.
A 200 g block on a 50 cm long string swings in a circle on a horizontal, frictionless table at 75 rpm. What is the speed of the block What is the tension in the string
Consider the function f(A,B,C,D) = fm(0,1,4,5,8,9,13,14,15) 1. Map the function, and obtain a minimal sum of products cover. 2. Express the sum of products expression for the minimal cover. F (SOP)
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