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An antenna with a radiation resistance of 48 ohms, a lossresistance of 2 ohms, and a reactance of 50 ohms is connected to agenerator with open-circuit voltage of 10 V and internal impedanceof 50 ohms via a λ/4-long transmission line with acharacteristic impedance of 100 ohms.1. Determine the power supplied by the generator.2. Determine the power radiated by the antenna.
Design a combinational circuit with four inputs, x,y,w, and z, and four outputs: A, B, C, and D. When the binary input value in decimal is 3,8,12 or 15, the binary output value is one less than the input value, otherwise it is one greater than the..
The temperature decreases by 33.8 C°. Determine the fractional decrease L/(LSilver + LGold) in the rod's length, where LSilver and LGold are the initial lengths of the silver and gold rods.
Assume you have a receiver with an overall noise figure of 23 dB and a bandwidth of 1 MHz. Assuming the minimum acceptable SNR at the output of the receiver is 6 dB, estimate the minimum detectable signal level in dBm at the receiver input.
In cylindrical coordinates ,let D = (pa + za )/[4pie(p^2+z^2)^1.5].Determine the total flux leaving: p z a) The infinitely long cylindrical surface p=7; b) the finite cylindrical,p=7,l z l less than equal to 10.
An Ideal Low Pass Filter: The impulse response of an ideal low-pass filter is h(t) = sin(t)/t (or the sinc signal). (a) Given that the impulse response is the response of the system to an input x(t) = f(t)with zero initial conditions
A special case of the NON-inverting amplifier has Rf = 0.0 ohms. That is, the op amp output is connected directly ("short circuit") to the inverting input and Ri is removed entirely (i.e., Ri = infinite ohms; "open circuit").
Two inductors with two separate cores are used in parallel in a circuit to share the current. A customer request a design improve by putting the two windings on to the same core. 1. Draw the two windings and resulting magnetic field; 2. If 10 turns..
a) Draw a sketch of the spectrum of x(t) = sin3(400πt) Label the frequencies and complex amplitudes of each component. Determine the minimum sampling rate that can be used to sample x(t) without aliasing for any its components.
Experiments have revealed that flow over the board is disturbed by the elements and that convection heat transfer is correlated by an expression of the form Nux = 0.4 Re0.85 Pr 1/3 . Estimate the surface temperature of the chip if it is dissipatin..
g. What happened to all the power delivered to the resistors h. If the resistors are available with wattage ratings of 1/2 W, 1 W, 2 W, and 5 W, what minimum wattage rating can be used for each resistor
Each single phase transformer has an identical number of turns in the primary and secondary windings. If a line-to-line voltage of 480V is applied on the wye windings, compute the line-to-line voltage on the delta windings.
The factorial n! of a positive number (integer) is defined by n! = n.(n-1).(n-2)...3.2.1, where 0! = 1. Write a user-defined function that calculates the factorial n! of a number. For function name and arguments use y=fact(x)
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