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1. How do you characterize or define a combinational circuit? How does it differ from a sequential circuit? Give two examples each of combinational and sequential logic devices.
2. Draw the logic diagram of a three-digit BCD adder and briefly describe its functional principle.
Develop a MATLAB program to compute and plot hd(t) and hq(t) as defined. Assume that fl = 180, fu = 220 and that f' takes on the following four values:
(a) Compute the minimum voltage that the output voltage across R1 falls to when both capacitors C1 and C2 are present. (b) Using the same model for D1, compute the maximum voltage that the output voltage across R1 rises to.
A 400-V three-phase, wye-connected synchronous motor delivers 12 hp at the shaft and operates at 0.866 lagging power factor. The total iron, friction, and field copper losses are 1200 W.
A. Fourier Transform properties (a) If x ( t ) is real and even, show that its Fourier transform is real for all ω (i.e., its imaginary part is identically 0). (b) If x ( t ) is real and odd, show that its Fourier transform is imaginary for all ω (..
The latest Lithium-ion batteries and double-layer ultra-capacitors have amazing energy-storage capacities. However, the voltage of a single cell is usually not sufficient for higher power applications, and series connection is then required.
State the main requirements of a protection CT and an instrument CT. A 400 A circuit is to be protected by a CT and relays. The relays present a 2.5 VA burden. If the setting is 20% and there is saturation of 50% at 20 x current setting, specify a..
Suppose 8-bit-wide memory ICs that are used to construct a memory have a read cycle time of 6ns. The application requires data to be processed at a rate of 400Mbyte/sec. How wide should the memory be to satisfy the performance requirement?
Include the unused states in the design, arranging the circuit to switch from any unused state to the 'main sequence' within one clock cycle, and show the state diagram that applies here. Clearly show all the steps of the design procedure used.
Design a datapath which will do one of the following. (1) add the value in register A to the calue in one of the registers R0 through R3 and store the result back in A, (2) subtract the value of one of the four registers R0 through R3 into registe..
The deformation of the block is such that the deformed coordinates can be written as.- Calculate Cauchy stress and the first and second Piola-Kirchhoff stresses.
Consider a square house 40 ft on a side, 10 ft high, with a flat roof on top and walls/roof that is 8 inches thick. The thermal conductivity for an un-insulated wall or roof is 1.6 W/Km, while with fiberglass insulation its 0.04 W/Km.
The solution to Power Factor, Two single-phase loads are connected in parallel across a 415 V, 50 Hz supply. One load is rated 130 kW at a power factor of 0.75
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