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An exponential signal, x(t) = 4e-2t , is sampled at a frequency of 10 Hz, beginning at time t = 0.
(a) Express the sampled sequence, x[n], up to the fifth term.
(b) If the signal is delayed by 0.2 s, what would now be the first five terms?
(c) What would be the resulting sequence if x[n] and the delayed sequence of (b) above are added together?
What is the maximum symbol rate which can be sent over this link? If a binary line code is used, what is the maximum bit rate? What is the maximum bit rate with 4-ASK symbols?
Consider an oxide-to-n-type silicon junction at room temperature. The impurity doping concentration in the silicon is Nd=8 x 1015 cm-3. Calculate the maximum space charge width in the silicon.
A single phase two winding transformer having rating: 20 KVA,480/120 V, 60 Hz A source connected to the 480 V winding supplies an impedance load connected to 120 V winding. The load absorbs 15 KVA at 0.8 pf lagging when load voltage is118 V.
Calculate the total harmonic distortion (THD) of the waveform for D=0.35 and compare your result to the THD of a square wave.
Write a MATLAB program that will allow a user to type the specific heat of a value in calories per gram degree Celsius. Display the converted value in units of British thermal units per pound-mass degree Fahrenheit in the Command Window
A 230V shunt motor having an armature resistance of 0.05 W and a field resistance of 75 W draws a line current of 7 A while running light at 1120 rev/min. The line current at a given load is 46 A.
Consider unsteady diffusion across a membrane of thickness L. Initially, the concentration of solute in the membrane is zero. At time zero, the concentration at x=0 is raised to C0 and the concentration at x=L is maintained at zero.
Find the minimum Sum-of-Products (SOP) expression for the following function using Quine.
State two disadvantages of Time Graded Protection systems. What is the preferred secondary current rating of a CT for a Differential Protection System? why is this rating preferred
design a variable power supply of 0-25 V and 0-5 A with load voltage 5 V and load current 1 A. the primary voltage is 120 Vrms and 60 Hz. determine all values each component, use diode of Si.
Optical Isolation of Electrophysiological Signals and design Guidelines for Optocoupler Safety Agency Compliance.
Consider the two-pole motor shown in Figure 16.10 on page 778. The gap between the rotor and stator is 1.5 mm. Each of the two field coils has 250 turns and carries a current of 3 A. Assume that the permeability of the iron is infinite. Determine ..
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