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two λ/2 dipoles are placed parallel to each other and spaced by a distance d = .15 λ , they are fed with antiphase currents so that I2=-I1=.7 Ampere ,
i- find the power radiated by the system taking into account the mutual impedance betwen the dipoles [Zm= [58-j10]ohm .ii- what is the maximum radiated E-field relative to that of a single λ/2 dipole ?
An input signal of 10V at 0o and a frequency of 1592 Hz is applied to a series RLC circuit with resistor R = 1000 ohm, inductor L = 0.2 H, and capacitor C = 0.1 F. what is The value of the total circuit complex impedance
What are the exact form of the equations for the 2nd-order step response for the underdamped, critically-damped, and overdamped conditions.
The terminals of an electrical device are labeled a and b. If vab = 10V , how much energy is exchanged when a charge of 3 C moves through the device from a to b. Is the energy delivered to the device (i.e., device dissipating or storing energy).
Design a bandpass filter of 'Sallen and Key' topology and having the following characteristics fo = 3.3 kHz, Q = 2.2
Convert the following Two's Compliment numbers to decimal: 1) 0101 1110 10112C 2) 1001 1111 10002C 3) 1111 1111 11112C 4) -1001 0110 10012C 5) 1010 1010 10102C 6) 1000 0000 00002C
Show how to build each of the following single- or multiple-output logic functions using one or more 74X138 or 74X139 binary decoders and NAND gates. (hint: Each realization should be equivalent to a sum of minterms)
A particle having charge q and mass m, initially at rest, is accelerated through a potential difference V0. Find the final speed (assume nonrelativistic).
the nature of resistance and expalin why the resistances are not exactly what the color code says it is. Also, explain what effect a resistance has on the voltage of a circuit, as well as the current.
silicon is doped so that 1 in 10000 Si atoms is replaced by phosphorous atoms. A) Knowing that only 30% of the phosphorous atoms donate electrons at room temperature (30% ionization) , determine the effective doping level and electron concentratio..
b) What are the equilibrium electron and hole concentrations at 300K and 500K (hint: You will have to find Nc and Nv at 500K, but it isnt necessary for 300K) c) Why does the mobile carrier concentration increase at high temperatures
Digital Communications uses a few specific modulation formats. Research at least 5 different applications or standards and explain what modulation format is used and what is the bandwidth over which you need to equalize the channel? Determine the ..
Let x(t) = u(t) u(t 1).Find the average signal y(t) using the above integral. Let T = 1. Carefully plot y(t).Verify your result by graphically computing the convolution of x(t) and the impulse response h(t) of the averager.
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