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If the Hertzian dipole in Figure 9.19 is situated at a distance from the corner and equidistant from the two planes, find the ratio of the radiation field at a point broadside to the dipole and away from the corner to the radiation field in the absence of the corner reflector.
Calculate explicitly all the optimal joint power allocation and decoding policies to maximize the sum rate. Is the optimal solution unique? Hint: Clearly there is no benefit by allocating power to a user whose channel is fully faded (the zero ampl..
Develop the Boolean expression in POS form found by removing the static-zero hazards from the following expression. Your circuit must be minimized to receive full credit. Draw the schematic for the hazard-free circuit.
A 6-pole, 50 Hz., 3-phase induction motor running on fullload develops a useful torque of 175 Nm when the rotor e.m.f. makes 120 complete cycles per minute . Calculate the shaft power output,If the mechanical torque lost in friction and that for c..
An noninverting amplifier op amp circuit is operated with V_DD=5Vand V_SS=0V, and the input signal ranges from 0.3V to 0.6V. What is the largest value of the closed-loop gain for which the circuit will perform as a linear amplifier
a new type of battery delivers 10W of power for 8hr without voltageor current fluctuation. after 8 hr without voltage or current fluctuation. After 8 hr however the power output drops linearly from10 W to 0 in only 5 min.
A Y-connected load has an impedance of 25+j12 ohms in each phase. It is desired to raise the load power factor to .95 lagging. (a) What size capacitor should be placed in parallel with each phase impedance if frequence = 60 Hz
A balanced three-phase source is supplying 90 kVA at 0.8 lagging to two balanced Y-connected parallel loads. The distribution line connecting the source to the load has negligible impedance. Load 1 is purely resistive and absorbs 60 kW.
In a unity feedback system, the forward path has a transfer function of the form G(s) = k/(1+s/ωp), and the feedback path has a gain of kfp which is less than unity. Calculate the bandwidth of the closed-loop transfer function.
If an npn transistor is operating with the base transmitter junction forward biased and the base collector junction reverse biased. Given that the transistor has Ic=10mA and Ie=10.5 mA, determine the values of Ib,alpha and beta.
A Mealy sequential network has two inputs and one output. Whenever the input sequence 00, 10, 01, or 10, 01, 11 occurs the output is 1 coincident with the last input in the sequence. Find a state graph and table.
a.) Determine where the given poles are mapped into the z-plane.b.) How would you determine if these poles are mapped inside, on, or outside the unit circle in the z-plane. Explain.
Determine the mean temperature of the coil given that the temperature coefficient of resistance of copper is 4.28 x 10-3 °C referred to 0 °C.
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