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20 s20 signals, each of bandwidth 5 kHz and peak-to-peak range of 4 V, are sampled at their Nyquist rates, quantized uniformly, encoded using PCM, multiplexed in time domain. The multiplexed stream has the rate of 2 Mbps.(a) What is the number of levels used for quantization.(b) When a DPCM is used instead of PCM, the peak-to-peak range of differential values was found to be 0.25 V.(i) How much improvement in SNR (in dB) was achieved by DPCM over PCM?(ii) We want to exchange this improvement in SNR for reducing the transmission rate. What would be the minimum transmission rate of the multiplexed stream while maintaining SNR quality at least as good as that of the PCM system.
A two port amplifier has been designed to match the source and load resistances Rin = 1k ohms, Rout = 16 ohms, A = 50dB. What is the amplitude of the input signal needed to deliver 1W to the 16 ohm resistor.
what size capacitor should be placed in series with the series combination of 800 ohms and 20mH to give an admittance whose magnitude is 1m/ohm at w=10k rads/s
A single-loop negative feedback system has the loop transfer equation: L(s) = Gc(s)G(s) = K(s + 2)2 / (s(s2 + 1)(s + 8)) a. Sketch the root locus for 0 K infinity to indicate the significant features of the locus.
Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza has the lowest cost per square inch. a. Identify the inputs and outputs for this problem.
Write an assembly code segment that calls the subroutine New Function if bits 5 and 6 of PORTD equal 1. Write the same code segment in part (a) using structured assembly constructs.
A 1.1 mF capacitor has initial voltage of 12 V.The energy stored in the capacitor is used to light up a 0.7 KOhm lamp.Assuming that the lamp is completely dimmed when the current through it is less than 0.2 mA, for how long can the capacitor susta..
A point charge of 20 [nC] is located at (4,-1,3), and a uniform line charge of -25[nC/m] lies along the intersection of the planes x=-4 and z=6. (a) Calculate D at (3,-1,0). (b) How much electric flux leaves the surface of a sphere of radius 5, ce..
However, the pump requires 60 W of parasitic power to operate continuously. Is installation of the pump justified. Explain. At what value of parasitic power does the addition of the pump become unjustified.
Determine the left triceps muscle force (Ftri), elbow joint reaction force (Rj) required to hold this position along with any ground reaction forces (Rg) and/or reaction moments (Mg) in the hand. Show all necessary free body diagrams along with th..
The peak voltage is 6V and you need to maintain a resolution of 0.034V. Find the number of bits per sample and then calculate the total number of kbps needed in the ADC. Remember that you cannot have a fraction of a bit in a sample.
Desing a logic Circuit that receives an array X(4 bits:X1,X2,X3, and X4) and makes it available as an output O(4 bits: O1,O2,O3, and O4) after one clock delay, subject to the control of input signals : "a" and "b". If a=b=0, then the data is NOT t..
Suppose you are working for an aircraft company on a positioning control system that controls the position of the landing for their aircraft. This positioning system requires a feedback signal from a position sensor.
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