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Build a series circuit consisting of a 130 V 60 Hz ac source, a 5 ohm resistor, a 53.05 mH inductor, and a 0.33156 mF capacitor. a) Draw the ac circuit diagram b) Sove for the phasor c
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)
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 i
If a silicon diffusion is doped with phosphorus (donors) at a concentration of 0.6 x 10^17/cm^3, what is the concentration of holes in this piece of silicon per cm^3 Assume ni = 1.45 x 10^10/cm^3, n
Shuffle a deck of cards and pick two cards at random. Observe the sequence of the two cards in the order in which they were chosen. (a) How many outcomes are in the sample space (b) How many outcomes
A vibration trandsucer measures a sinusoidal signal with up to a 100-hz frequency and an amplitude of + and - 5 v. Superimposed on this signal is an additional signal with a freq of 1000 hz. an
A binary channel with capacity 36 k bits/sec is available for PCM voic transmission. If signal is band limited to 3.2 kHz, then what will be the appropriate values of quantizing level L and the samp
What is the propagation constant at 500 MHz. Use the fact that the velocity of an EM wave in a lossless air-filled line is the same as that of free-space propagation in air. That is, the propagation
1. Use the Quine-McCluskey minimization method to find a minimum cost SOP realization of the following functions (a) f(x1,x2,x3,x4)= fm(0,2,4,5,7,8,9,15) (b)
A Vs equals 1V source impedance 25ohms is connected by a switch to a 50-ohms lossless air transmission line 1 m long, terminated in a load of 30-ohms. At time t=0s, the switch is closed instantaneou
A 75-ohms lossless transmission line is terminated in a load ZL = 80+j60. The line is length lamda/8 long and connected to a line Z0= 50-ohms. What is the input impedance on the 50-ohms line, lamda/
(a) ZL = 80+j60 , what is the load reflection coecient. (b) Design a short circuit stub matching circuit to match the load to Z0 of 50-ohms. State the distances in wavelengths and in centimeters.
Nanowire with square cross-section: Starting with the time-independent Schrodinger equation: (a) use separation of variables to obtain three ordinary differential equations (ODEs) (b) solve the ODEs a
A coaxial line is filled with a very slightly lossy material with a relative dielectric constant of 5 The line would have a characteristic impedance of 100 ohm if it was air-filled. (a) What is the ch
A permanent magnet dc motor has two poles and a simplex lap winding of 18 loops and 3 turns per loop. The armature radius is 4 cm and the armature length is 15 cm. The flux density under the poles i
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 betw
determining whether the number divided evenly can be accomplished by determining if there is a remainder. Implement the program using a for loop for the calculations. Additional hint: a break in the
Consider a continuous-time LTI system with frequency response of H(j omega) = 1 + j 250 omega/(2 - j 50 omega)2 Find the expression for the magnitude of H(j omega) and sketch its Bode plot (sketch asy
If a silicon diffusion is doped with phosphorus (donors) at a concentration of 1.0 x 10^16/cm^3, and has a sheet resistance of 365.7 ohm/cm^2 square, what is the thickness of the diffusion in micron
The excitation branch impedances are given referred to the high-voltage side of the transformer. a) Find the equivalent circuit of this transformer referred to the high-voltage side.
Recall that for discrete sequences the ts sample period (the time period between samples) is the reciprocal of the sample frequency fs. Write the equations, describing time-domain sequences for unit
The A/D converter has internal memory that can store up to 4x106 discrete samples. What is the maximum number of cycles of a 25 MHz analog sinewave that can be stored in the A/D converter's memory.
the bottom of the conduction band at one end of a silicon resistor is at the same energy level as the top of the valence band at the other end. What current flows through the resistor if the resista
Sketch a transistor-level schematic of F=(A+BC+DE)' and determine the relative sizing of all the transistors to equalize the rise/fall time.
Point A is at an electrostatic potential of +1V relative to point B in a vacumm. An electron initially at rest at B moves to A. What energy (in J and eV) does the electron have at A What is its velo