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Transmission line A coaxial transmission line has characteristic impedance Z0 = 50 ohms and has length L = 200 m and phase velocity vp = 2.0e8 m/s. The end at x = 0 is terminated with Rs = 50 ohms and the end at x = L is terminated with RL = 75 ohms. At time t = 0, the central 2 meters of the cable (i.e., from x= 99 to x = 101 m) is charged to V = +2.0V while the rest of the transmission line is at zero volts. Calculate the voltage reflection coefficients Gamma S and Gamma L. Construct a bounce diagram of the system for t > 0 showing the behavior of all rising and falling edges traveling in either direction up to t = 1.6 mus. Calculate and show the amplitudes of all rising and falling edges. Sketch the voltage vs. time at the source over the same time interval.
Calculate the distance, D at which communication from the space craft will be lost again? Assume both antennas are ideal.
Find c > 0 such that the area of the region enclosed by the parabolas y = x^2 - c^2 and y = c^2 -x^2 is 30. c= 6. Find the area of the region bounded by the parabola y = 4 x^2, the tangent line to this parabola at (3, 36) and the x axis.
An n-channel JFET needs a NEGATIVE voltage applied to its GATE, relative to its SOURCE. If you have a single POSITIVE supply applied to the MASTER loop of a JFET, the mid point of the voltage divider will also be a positive voltage
A single-loop negative feedback system has the loop transfer equation: L(s) = Gc(s)G(s) = K(s + 2)2 / (s(s2 + 1)(s + 8)) a. Sketch the root locus for 0 K infinity to indicate the significant features of the locus.
Line A extends from (2,2, 0) to (-2, 2, 0) and Line B extends from (2, -2, 0) to (-2, -2, 0). Each has a linear charge density l = 1 nC / m. You want to calculate the magnitude and direction of the electric field due to the two line charges for al..
Create a Ladder program for this washing machine would have a fill cycle to one level, a 10 second wash cycle, a 10 second rinse cycle and then drain. Include a start button, low level switch, high level switch, an agitator motor
What is the peak frequency deviation of the FM signal and bandwidth of the FM signal? The signal is received with CNR = 30.0 dB. What is the SNR of the recovered video signal at the radio receiver output?
The schematic of the traffic light controller
1.2MW wind turbine has rotor diameter 64 m. Turbine operates in area with average wind veocity=7.5m/s with air density = 1.18kg / m^3. Turbine power coeff. including unit efficiency = 42.8 % Determine power output and the annual energy produced
With each quadratic polynomial x^2 + ax + b with real coefficients, associate the smaller of its two real zeros. Is this association a function? If this association is not a function, explain why. If this association is a function
A full adder is a circuit which adds three bits X, Y, Z together and returns two bits C and S to represent the total as a 2-bit binary number C S. C is the MSB and S is the LSB. For example, if X=1, Y=1, Z=0, the total should be 2, or 102 in binar..
You are working with a design team on a new product and are assigned to design the power supply. The requirements for the power supply are as follows: Input AC: 115 V AC +- 10%, 50-60 Hz Outputs: +5 V DC at 100 ma, +-12 V DC at 50 ma
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