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Given the sinusoid
obtained using a sampling rate of fs = 8; 000 Hz, we apply the DFT to compute the amplitude spectrum.
a. Determine the frequency resolution when the data length is 100 samples. Without using the window function, is there any spectral leakage in the computed spectrum? Explain
b. Determine the frequency resolution when the data length is 73 samples. Without using the window function, is there any spectral leakage in the computed spectrum? Explain.
A junction employs Nd = 8x 10^17cm^-3 and Na= 2 x 10^ 17 cm^-3. The device is at 300K. (a) determine the majority and minority carrier concentrations on both sides (b) Calculate the built-in potential at (i)T=250K (ii)300K
A causal LTI dicrete time system is said to have an overshoot in its step response if the response exhibits an oscillatory behavior with decaying amplitude around a final constant value.
A standard 12-V car battery has an ampere-hour rating of of 30 Ah, whereas a heavy-duty battery has a rating of 51 Ah. the ratio of available energy is 1.7 ratio. Find the percentage increase in available current for starting
A voltage regulator circuit uses a Zenerdiode that exhibits a total voltage of 5.2 V at 20 mA and has aresistance Rz = 20 W. The regulator operates froma 10 V supply and has a 1 kW load. A) Use the node voltage method at the output node to derive a..
Determine the eddy-current loss if the frequency is reduced to 60.0 percent of rated frequency and the applied voltage is adjusted to provide 80.0percent rated flux density.
A computer has a word length of 8 bits including sign. A= 10101011, B = 01101111 are 2's complement numbers. Perform the following operations and indicate whether overflow occurs: (2p) (a) A+B (2p) (b) A-B (2p) Give the decimal values of A and B
A 20-V-rms 60-Hz ac source is in series with an ideal diodeand a 100 Ω resistance. Determine the peak current and peak inverse voltage for the diode.
What memory modules are needed if the customer wants 1.25GB of RAM?(What capacities and how many of each capacity?)
write a subroutine in 68000 assembly language to add two 32-bit packed BCD numbers. BCD number 1 is stored at a location starting from $ 500000 through $ 500003, with the least significant digit at $ 500003 and the most significant digit.
An audio signal s(t) generated by a loudspeaker is reflectedat two different walls with reflection coefficientsr1 and r2. The signal x(t)recorded by a microphone close to the loudspeaker, after sampling,is: x(n) = s(n) + r1s(n-k1) +r2s(n-k2)
If 10.6 V is measured across a 5.9 kW resistor and the resistor is in series with a 6.3kW resistor, what would be the current flowing through the 6.3 kW resistor inmA
F(A,B,C,D)=Σ(0,2,3,4,6,7,10,11) and G(A,B,C,D)=Σ(0,4,8,9,10,11,12,13) Consider that the functions are to be implemented as part of the same circuit. Show k-maps that reduce the total number of gates needed. How many gates are required
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