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Several copies of the signal, shifted in time and frequency as well as attenuated, are received-that is, the transmission is done over multiple paths each attenuating and shifting the sent signal. T
A 75 hp, 60 Hz, 2300 V, 20 A, 2 pole, wye connected, design B induction motor with code K delivers rated horsepower at 3500 r/min. Assume the phase angle of the locked-rotor impedance is 75 degrees.
The coil area is 2.7 mm*mm, the number of turns is 187; it also has an iron core with permeability mu= 600. How long must the coil be to have an inductance of 8.3 mH
A voltage v(t) = 24cos(2000t-45°)V is applied across a parallel connection of a 5-kΩ resistor and a 100-nF capacitor. Find the steady-state current i_c(t) through the capacitor and the steady-
A 3.3 uH inductor is connected to a current source. The current of the source is changing according to time as 8.6 * t A. What is the voltage drop across this inductor (UNIT:mV)
Write a Matlab script file that uses the function from Part 1 to apply "water filling" for distributing total power P = 10 over N = 5 parallel channels with noise levels x = [2, 3, 1, 6, 4] and that
After the numbers have been placed in A and B, and X is set to 0 or 1, a start signal (st) arrives thats sets the circuit in operation. After four shift pulses, the operation is completed and the ci
The silicon substrate is N-type (doping level ND = 7x10^16cm-3), and the gate is heavily doped N+-type polysilicon. Assuming zero oxide charge density, determine the density of mobile charge at the
Where x(t) is the input and y(t) is the output. a.] Find the impulse response h(t) of the average. Is the system causal b.] Let x(t) = u(t). Find the output of the average.
In a 50 mm diameter x 0.5 mm thick wafer of pure germanium at room temperature, (a) how many conduction electrons would be present, and (b) how many electron holes would be present.
What is the maximum number of DECIMAL digits that can be generated with this choice of N (ie. the maximum length of the sequence of decimal numbers that could be generated with this choice of N, bef
If the system is released from rest, determine the velocity of block A after it has moved 2m. Assume that the coefficient of kinetic friction between block A and the plane is 0.25 and that the pulle
A capacitor bank is required that can be charged to 5 kV and store at least 250 K of energy. Design a series/parallel combination that meets the voltage and energy requirements using 20-μF capaci
A calibrated RTD a = 0.0041/°C, R=306.5-ohm at 20°C, and PD= 30mW/ °C will be used to measure a critical reaction temperature. Temperature must be measured between 50 °C and 100 °
At this bias current, what are the maximum and minimum currents that the MOSFET will be conducting (at the positive and negative peaks of the output sine wave). What must the peak amplitude of vsig
Given A series RLC linear circuit with an inductor1 of 0.5 Henry, followed by a capacitor 0f 0.01 Farad, followed by another inductor2 of 0.5 Henry and a resistance of 10 Ohms. 1 Specify the input i
Design a simple circuit diagram,to complete the following task.1)Green lamp light up when the system is ON. 2)Once the pushbutton is pressed, Green Lamp turns OFF and Red Lamp turns ON,Motor starts
The rectangular shaped current pulse is applied to 0.5microFarad capacitor.The initial voltege on the capacitor is a 20V drop in the reference direction of the current. Assume the passive sign conve
design a digital lock. The lock will have four buttons for you to enter a secret three-digit code to unlock it. You will use the pushbuttons RON(3:0) on the FPGA board for this - RON(0) will represe
Determine the minimum oxide thickness in the field region (the field-oxide thickness) needed to prevent current leakage between neighboring MOSFETs. Neglect the oxide charge, and consider aluminum
The density of electrons and the electron mobility in the graphene sheet are NI = 5 x 10^12 cm-2 and µ0 = 20,000 cm2/Vs, respectively. a) Determine the sheet resistance of this graphene film.
A stream of air at 80 °F and 1.2 atm absolute flowing at a rate of 200 ft3/h is blown through ducts that pass through the interior of a large industrial motor. The air emerges at 500 °F. Cal
Collecting and focusing sunlight and using the focused beam to heat a fluid is an old idea, and as the environmental costs of fossil fuel combustion mount, solar heating becomes an increasingly attr
design a Mealy type circuit whose response to a binary sequence is to output a 1 iff the current and previous bit are both the same value. a) Draw a state diagram, showing state, input, output b)Comp
A voltmeter is specified to have an accuracy error of ±0.1% of full-scale on a ±1V scale. If the meter produces a reading of 0.323VDC, what is the minimum and maximum DC levels that mi