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consider a 3λ/4 linear wire antenna which is fed at the center,find :
i- the current distribution on the wire.ii- for the input current of .7 Amp, find the loop current (I0) , and the maximum radiated E at r = 1000 miii- given that the radiation resistance of this antenna is 190 ohm (referred to I0), what is the maximum directivity ?
In a MOS cascode amplifier, the cascode transistor is required to raise the output resistance by a factor of 40. (1) If the transistor is operated at Vov=0.2V, what must its VA be
A constellation diagram has two points located at (3,0) and (-3,0) on the I(in-phase)-Q(quadrature phase) plane. Find the value of peak amplitude and the type of modulation this diagram represents.
Help with problem in Control signal processing class, Consider the unity-feedback control system whose open-loop transfer function is
A 10-mV signal source having an internal resistance of 200 kO is connected to an amplifier for which the input resistance is 20 kO, the open-circuit voltage gain is 2000 V/V, and the output resistance is 1 kO. The amplifier is connected in turn t..
Excitation is provided by a 140-turn, 30 ohm coil. Determine the voltage required to establish a flux density of 1.56T. The reluctance of the magnetic circuit, when operating at this flux density is 768 A-t/Wb.
3) What factors started the decline in the nuclear power industry, and what events essentially ended new construction of nuclear power plants 4) What are three advantages of using AC power over using DC power
In code warrior, write a program sequence that places the value in Address $1500 into Accumulator A. Then, AND this value with the value in Address $1501. Save the result in $1502.
Compare GBN, SR, and TCP(no delayed ACK). Assume that the timeout values for all three protocols are sufficiently long such that 5 consecutive data segments and their corresponding ACKs can be received (if not lost in the channel)
a) Describe the components and variables of the biological control apparatus involved in walking toward an object that can be seen on the horizon b) Why is walking a closed-loop operation
What is the phase angle of a series/parallel RC circuit with an AC voltage source of 3 Vrms that has a series R1 resistor (100 ohms) and an R2 resistor (10 kohms) in parallel with a 0.1 microfarad capacitor
Laplace transforms enable interpretation and manipulation of different signals by viewing these signals as either time domain signals/pulse or else frequency domain representations
If the mechanical power sent out from the machine is 100 kW at a rotating speed of 90% of the nominal speed. Compute the slip of the machine and find the power dissipation due to the rotor winding resistance.
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