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In the circuit shown below a load ZL = 200 + j100 is to be matched to a 40 line, using a length of lossless transmission line of characteristic impedance Z1.Find and Z1. Determine, in general, what type of load impedances can be matched using such a circuit.
A president, secretary, and treasurer are to be chosen from a group of 10 senior members of the IEEE student chapter at the Citadel. Assume that each member cannot serve more than one position. How many different choices of officers are possible
The percentage of aliasing level at the cutoff frequency
Calculate maximum conduction losses when operating at maximum current and a duty cycle of 5% and design a gate drive circuit.
Two men are sliding a 100-kg crate up an incline. If the lower man pushes horizontally with a force of 500 N, and if the coefficient of static friction is 0.30, determine the tension T which the upper man must exert on the rope to get the crate to..
A 4.7 k? resistor is placed across a 25 volt source, how much power is being drawn from the source?
A long straight wire carries a current of 69.6A. An electron, traveling at 8.61 x 10^7 m/s, is 5.14 cm from the wire.
Suppose you are looking at two loops in the plane of the page as shown. When the switch is thrown closed in the left hand coil, what is:
A low pass filter has a cut-off frequency of 8 kHz and a high pass filter has a cut-off frequency of 5 kHz. These two circuits are connected back to back in cascade to form an input-output system. How does this combination work, band pass or band ..
1- Find F(s) for = A[ a cos(ßt) + b sin(ßt)] u(t) and plot and the poles and zeros in the S- plane. 2- find f(s) for = 2d(t) +4e^-2t cos(2t) u(t) and plot and the poles and zeros in the S- plane. 3- find f(s) for = 10[3-6t-4e^-2t] u(t) and plot and t..
From the equation for intermediate frequencies, what is thephase angle between the current and electric fieldwhen ωτ = 1, 0.1, and 10. For each case, write an expression for the time dependence of current if the electric fieldvaries as sin(ωτ).
A new semiconductor has Nc = 1019 /cm3 and Nv=5 x 1018, and Eg = 2eV. If it is doped with 1017 donors (fully ionized), calculate the electron, hole, and intrinsic carrier concentrations at 627K.
An amplifier has three amplification stages and a 1-dB attenuator in cascade. Assuming that all impedances are properly matched, what is the overall gain if the amplification factors are5, 10, and 6dB
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