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A TV signal (Audio and Video) has bandwidth of 4.5 MHz. The signal is sampled,quantized and binary-coded to obtain PCM signal.(a) Determine the sampling rate if the signal is to be sampled at a rate 20% above the Nyquist rate.(b) If the sample are quantized into 1024 levels, determine the number of binary pulse required to encode each sample.(c) Determine the binary pulse rate (bit per second) of the binary-coded signal and minimum bandwidth required to transmit this signal
Semiconductor A has a bandgap of 2.5eV while semiconductor B has a bandgap of 1.5eV. What is the ratio of the intrinsic carrier concentrations in the two materials (niA/niB) at 300K
(b) This voltage is measured using a defective voltmeter, which always indicates a lower reading than the actual value. Suppose the voltmeter reading is 2.5*10^(-4). Calculate the probability that the error is not more than 0.5 *10^(-4).
A 1.80kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 195N/m and a 290g metal ball is in the tray. The spring is below the tray, so it can oscillate up-and-down.
consider a message signal m(t)= e^(-2t) cos(2000*pi*t) u(t) a) determine the minimum step size E necessary to avoid slope overload b) calculate the minimum avaerage quantazation noise power based on part a
A 208-V,60-Hz,three phase power system consists of an ideal 208-V,Y connected, three phase generator connected through a three-phase transmission line to a Y-connected load. The transmission line has an impedance of 0.06 + j0.12 ohms per phase
A particle with a charge of +5.5*10^-6 C sets up an electric filed. A second particle with a charge of -3.0*10^-6 C is moved to a point 4.2 m a way from the first charge. what is the electric field at the position of the second charge
A solar cell at 300K has an open circuit voltage of 0.55V and short circuit current of 2A with ideality factor of 1.3 Calculate Fill Factor and maximum power output under the following conditions: 1. Series resistance 0.08 Ohm, shunt resistance very ..
In a certain communications system a resonant-tuned circuit (tuned at 1200 kHz with Bandwidth = 15 kHz) is connected to the output of a non-linear amplifier (mixer). Find the frequency components at the output of the resonant-tuned circuit
Given the line x1 = y1, in the xy plane, and the point P(x,y,z). Find the vector, R, from the point P to the line. a) Sketch the line and the position vector of the line b) Express the vector R in terms of the coordinates (cylindrical , polar and Car..
A shunt DC motor has RA = 0.7-ohm and VT =429.6 V. For an output power of 50.4 hp, we have nm = 1,452 rpm and IA = 110.8 A. The field current remains constant for all parts of this problem. Find the rotational power loss in watts.
Devise a detailed algorithm for a ring with p nodes so that each node would atttain the final sum of original node values. Determine the worst case communication steps for the algorithm.
Compare the performance of the basic latch (build with 74LS00 NAND gate), the master-slave flip-flop (7476), and the edge-triggered flip-flop (74LS76). What are the advantage and disadvantage of each design
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