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What are advantages and disadvantages of E-NRZ over NRZ-I? E-NRZ encoding takes NRZ data stream and seperates it into 7-bit codewords, where it inverts bit positions 2,3,6,7 and adds one odd parity bit to each codeword.
It has been proposed that by placing an appropriately selected resistor across the line at a distance dmax from the load, where dmax is the distance from the load of a voltage maximum. Show that the proposed approach is valid and find the value of th..
An analog signal xa(t) = sin(480pt) + 3sin(720pt) is sampled 600 times per second. (a) Determine the Nyquist sampling rate for xa(t).
input voltage to an amplifier is: Vi(t)=0.1*cons(2000*pi*t+30) and the output voltage is: Vo(t)=10*sin(2000*pi*t+15) Find the complex voltage gain of the amplifier at f = 1kHz and express the magnitude of the gain in decibels.
What is the maximum amount of real power transfer if any three line segments are out of service? Figures from power world showing the result are needed
What happens to the spectrum and time domain output when the laser is mode-locked? Why is a four-level system normally more efficient than a three-level system? What are the primary characteristics of an argon laser?
Solve for x1 and x2 in the system of equations given by x2 -3x1 + 1.9 = 0: x2 + x12 - 1.8 = 0 by Gauss method with an initial guess of x1 = 1 and x2 = 1
Design an electrical system for an underground coal mine - A ventilation fan is located at the top of the return ventilation shaft that can in emergency situations act as a second means of egress.
Two amplifiers are cascaded, one with a voltage gain of 6 db and the other with a voltage gain of 4. If 1 V is applied at the input of the first amplifier, what is the voltage at the output of the second amplifier
Find the output response, c (t), for each of the systems shown below.- Also find the time constant, rise time, and settling time for each case.
when operating in the step down mode and feeding a load impedance of 8
Because scope only measures voltages, we need to “convert” the diode current into a voltage that the scope can measure by adding a resistorR in series with the diode as is seen in Fig. 1 below (iD = iR = vR/R). Furthermore, in order to “see” the plot..
A 3000-V, 1-A dc power supply is to be designed with less than a 4 percent ripple voltage. Compare the pros and cons of implementing this power supply with half-wave, full-wave, and full-wave bridge rectifiers.
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