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An oscillogram can be adequately modeled by a second-order system in the form of a parallel RLC circuit. It is desired to give an under damped voltage across a 200-Ω resistor. If the damping frequency is 4 kHz and the time constant of the envelope is 0.25 s, find the necessary values of L and C.
A generator is rated at 500 MVA (three phase) and 22 kV (line-to-line). Its Y-connected windings have a reactance of 1.1 per unit. Find the ohmic value of the reactance of the windings. What is the per unit value if we change the base to 200 MVA a..
Determine a sinusoidal expression for the resultant v_R=v_1+v_2 by finding the horizontal and vertical components. Determine the resultant v_R=v_1-v_2 using horizontal and vertical components.
Show the truth table for the circuit. Find a simplified expression for each output. Simplify Boolean algebra or K-maps
For a 64-PSK modulator with an input data rate(fb) equal to 36 Mbps and a carrier frequency of 100 MHz. A. Determine the minimum double-sided Nyquist bandwidth(fN) and the baud. B. Sketch the output spectrum.
A designer searches for a simple circuit to provide one-third of a signal current I to a load resistance R. Suggest a solution using one resistor. What must its value be. What is the input resistance of the resulting current divide
The input signal (inflow minus outflow) to an integral process varies sinusoidally at a radian frequency, omega i. of 0.025 rad/s. The output signal varies sinusoidally at the same frequency with an amplitude of 10%.
PAL12H6 (12 inputs, 6 outputs, AND-OR structure, two output OR's have 4 AND gate inputs and four output OR's have 2 AND gate inputs). NOTE: you need to show only appropriate product terms used for PAL implementation
1. What does "transfer function" of a filter represent 2. What do the Amplitude Ratio (Gain) and Phase Angle represent 3. What are the key differences between a real filter (the RC circuit) and an Ideal Filter (please read LPF Treated as an Ideal F..
(a) Determine the values of the voltage and current phasors in polar form. (b) Calculate the instantaneous voltage at a time 0.8 ms after it crosses the zero-value axis in a positive going direction.
A Silicon wafer has a uniform doping density of 8 xl018 atoms cm-3 of Arsenic and 2.5 x 1019 atoms cm-3 of Phosphorus. Assume that all Arsenic atoms are fully (100%) ionized at room temperature but the Phosphorus atoms are 80% ionized.
What is the election current in a 2 mm diameter copper wire if the electron drift speed is 1 x 10^-4 m/s. express in coloumbs per second and amperes
(1) What is the difference between a series and a parallel circuit (2) How do you evaluate the total resistance of a parallel circuit
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