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What will cause latch-up in a CMOS IC? What might happen in this condition? What precaution should be taken to prevent latch-up?
A continuous time system, describes by y(t) = 5 Cos (2*pi*20*t+pi/2), is sampled at rate 320 Hz. a) Write the mathematical expression that describes the discrete time (sampled) signal. b) Calculate the value of the discrete signal for n=0 and n=4.
How to find the damping ratio and undamped natural frequency given a 2nd-order differential equation.
Suppose that you wish to offer a voice over IP wireless service. The target packet error rate (or drop rate) is 10^-3 and you determine that if the signal is confined to within a coherence band, about 20% of the packets are dropped due to fading.
1. Sketch the polar plot of the frequency response for the following loop transfer functions: Gc(s)G(s) = 1 / ((1 + 0.25s)(1 + 3s)) Gc(s)G(s) = 5(s^2 + 1.4s + 1) / (s - 1)^2 Gc(s)G(s) = (s - 8) / (s^2 + 6s + 8) Gc(s)G(s) = 20(s + 8) / (s(s +2)(s + 2)..
The design must show all stages used in its development and must be implemented and tested in PSpice and suitable timing waveforms produced.
Show that the time displacement in a periodic function has no effect on the magnitude spectrum, but changes the phase spectrum by an amount of -nω0τ radians for the component of the frequency nω0 if the time displacement is τ.
a) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift in electrical degrees, corresponding to the nominal loa..
resistor: a volt-ohmmeter with an internal impedance of 1000 Ω/V and an EVM with an impedance of 11 MΩ. Calculate the voltage indicated by each of these devices.
explain the dilation, erosion, closing, and opening operations on a binary image B with a structured element S. ( you need to use the symbolic notion for the operators, but need not provide the precise mathematical definitions
Identify three test cases, one using a number with 4 factors, one using a negative number, and one using a number with more than 4 factors. For each of the three test cases show what inputs you will use and what your expected outputs should be.
Where (in the sequence of subsystems within a communication system) does the line encoder used? Draw a block diagram. Write a sentence or two on what is in the other boxes. What are the two broad parameters associated with an efficient line encoder..
After the user enters the words, the program will determine which words would come first and last if the words were listed in dictionary order. The program must stop accepting input when the user enters a four letter word. Assume that no word is m..
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