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Assume that you wish to estimate the spectrum of x[n] by applying a Kaiser window to the signal before computing the DTFT. You require that the side lobe of the window be 30 dB below the main lobe and that the frequency resolution be π/40. The width of the main lobe of the window is a safe estimate of the frequency resolution. Estimate the minimum window length L that will meet these requirements.
A TTL gate with VIH (min) = 2.25 V and VIL (max) = 0.65 V is being driven by a gate with VOH (min) = 2.4 V and VOL (max) = 0.4 V. What is the maximum amplitude of noise spikes that can be tolerated on the inputs in both the HIGH and LOW states
Through a three-phase transmission line, a three phase symmetrical load is supplied from a power system bus. The parameters per phase of the transmission line are: R=5 ohms, X=70 ohms, B=9*10^-4 ohms.
A circuit has a power factor of 86.6% lagging and your multimeter indicate it is operating at 240VAC with acurrent draw of 12.5 A Find Apparent power, real power, reactive power of the circuit. Draw colmplex power triangle
What determines overflow when adding or subtacting 2scomplement numbers HOw can overflow be detected
What are the differences between Laplace and Fourier Transform?
The column line parasitics are 1 Ohm/bit and 12 fF/bit. Determine the minimum number of repeaters which must be inserted into the row lines such that the overall access line will be reduced to less than 0.2ns.Consider a DRAM with 2^X bits. Rw = 65 ..
Calculate the bandwidth and half-power frequencies.
A transmission line with no loss, with Z0= 60 ohms, is operated at 60MHz. The velocity on the line is c. The line is soldered to a ground connection at z=0. Find the input impedance into this line at z= -1.25 meters
What is the maximum angle the shaft can turn?
An asset with a first cost of $50,000 is depreciated by the MACRS method over a 10-year period. If the asset will have a $20,000 salvage value, its book value at the end of year two will be closest to
Write the VHDL architecture file for a J-K flip-flop that toggles on each falling clock edge. Use J and K for the inputs, Q for the output, and CLK for the clock. All signals are BIT type.
Using the Murray Loop test, determine the distance to an earth fault on one of the cores of a uniform three-core underground cable. Ra = 2 ohms, Rb = 1 ohm and the cable length is 300 m.
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