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Consider the circuit below containing two ideal (i.e., zero forward voltage drop) Zener diodes whose breakdown voltage is specified. Sketch the transfer characteristic (Vout vs. Vin) between -10V<Vin<+10 V. Explain your reasoning.
Develop a closed-loop proportional controller using gain kp for the above cruise system to control the speed of the automobile. The proportionality constant that converts the output speed to throttle displacement is kt and kr converts the reference..
What RF bandwidth must the radio link provide if the modulation is binary phase shift keying (BPSK)?
Draw the positive, negative, and zero sequence networks for the system. Include all impedance values and determine the bus voltages at midnight? What problem(s) do you detect?
Determine the number of coulombs of charge produced by a 12 A battery charger in an hour. A lightning bolt carrying 20,000 A lasts for 70*10^-6 s. If the lightning strikes a tractor, determine the charge deposited on the tractor if the tires are a..
a) both stations begin to transmit at the same time b) one station begins to transmit at the first possible moment such that its transmission would not be detected by the other station before it began its transmission
Calculate the current through a 1 mF capacitor in response to a voltage v if across its terminals, if v equals (a)30te-tV (b) 4e-5tsin100t V
part-1q1 illustrate the radio frequency system of an amplitude modulated transmitter using block diagram. explain the
A wave in free space has a wavelength of 12 cm. This wave reaches a material in which the transmitted wave has a wavelength of 8 cm. lEl= 10V/m and lHl= 100 mA/m. Find the frequency of the wave, along with the permitivity and permeability of the m..
Write a program which accepts the frequency of an electromagnetic wave in megahertz and then displays to the user whether the frequency falls in the FM band, AM band, or neither.\FM radio falls between: 87.7 to 108.0 MHz.
A certain lossless transmission line is terminated in a normalized load impedance of ZL,n = 0.5 j2 ohms. Use a Smith Chart to determine the answers to the following questions. Mark the position of the load impedance on the chart and label it ZL.
The coherent detector for the demodulation of DSB-SC fails to operate satisfactorily if the modulator experiences spectral overlap, explain the reason for this failure.
A battery has a short-circuit current of 20 A and an open-circuit voltage of 12 V. If the battery is connected to an electric bulb of resistance 2 ohm, calculate the power dissipated by the bulb.
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