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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.
The voltage across a certain load is V = 1200√2
A digital system is described by the following difference equation: y[n] = x[n] - 0.3 x[n-1] + 0.28 x[n-2] Find the transfer function H(z), the denominator polynomial A(z), and the numerator polynomial B(z).
Design a power system for a facility, which requires both three phase and single phase supplies. Following conditions must be applied in the design: 1) The facility is at least 60 km far from a distribution substation.
construct a block diagram and an ASMD chart for a digital systemthat counts the number of people in a room. The one doorthrough which people enter the room has a photocell that changers asignal x from 1 to 0 when the light interrupted.
pecify the value for R. What is the diode current with the load connected What is the increase resulting in the output votage when the load is disconnected What change results if the load resistance is reduced to 100ohms? To 75ohms To 50ohms
A device with input x(t) and output y(t) is characterized by: y(t) = x2(t).An FM signal with frequency deviation of 90 kHz and modulating signal bandwidth of 5kHz is applied to this device. What is The bandwidth of the output signal.
How is the problem-solving process different when programming in assembly language versus programming in ladder logic?
A parallel RLC with R = 50kΩ and C = 32nF is connected toan ideal 5 mA current source, and is observed to be resonant atω = 50x103 rad/s. Determine the value of L and the circuitQ (quality factor) at resonance.
How to Calculate the value of Ceramic / Non-Polarized Capacitors? and how to Find the value of Ceramic Capacitors?
Calculate the magnetic flux density B(vector) at a point P specified in spherical coordinates. Express the answer in terms of the magnetic dipole moment m(vector) . For full credit, fill all the details and justify all the assumptions adopted.
What is the bandwidth occupied by this signal, and the noise bandwidth of the receiver for this signal? Find the BER at the receiver output and the average time between errors.
a) Construct a choice table for interest rates from 0% to 100%. b) Which roof should you choose if your MARR is 12% what is the actual value of the IRR on the incremental cost?
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