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Consider a system for which the output voltage is vout(t) = vin(t) + vin(t - 10^-3). (In other words, the output equals the input plus the input delayed by 1 ms). Given that the input voltage is vin(t) = Vmax*cos(2*pi*f*t), find an expression for the output voltage as a function of time. Then, find an expression for the transfer function ( H(f)=vout/vin ) of the system. Plot the magnitude of the transfer function versus frequency for the range from 0 to 2000 Hz.
A 3 phase line delivers 3600kW at a pf lagging to a load. If the sending end voltage is 33kV, and the resistance and reactance of each conductor is 5.31 O and 5.54O respectively, determine the receiving end voltage.
The return current is through the outer conductor, which consists of an infinitely thin cylindrical shell of radius b. Use Ampere's law to calculate the magnetic field intensity everwhere.
A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation.
A second-order bandstop filter is required to satisfy the following specifications: fs= 8,000 Hz f0= 60 Hz bandwidth= 40 Hz Find the transfer function and difference equation by the pole- zero placement method.
A BJT has beta =100,mod Aie=10 at 10 MHz and it is operating at a collector current of 5 mA.If transition capacitance =10pf 1) calculate beta cutoff frequency of BJT,unity gain frequency and diffusion capacitance
For the system specified by the following difference equation, compute the first five samples of the response to the input given as x(n)=e^-0.4n u(n-1). The system is initially at rest. y(n)=y(n-1)-2y(n-2)+x(n)-0.8x(n-1)
Three screws are drawn at random from a lot of 100 screws, 10 of which are defective. Find the probability that the screws drawn will be nondefective in drawing (a) with replacement, (b) without replacement.
Derive a minimum cost realization of the four varible function that is equal to 1 if exactly two or exactly three of its variables are equal to 1; otherwise it is equal to 0. find the minimum cost SOP and POS forms for the function f(x1,x2,x3,x4)= ..
A three-phase load is Y-connected. The load has a phase voltage of 139 V and a phase current of 49 A. Each phase of the load consumes 5.1 kW of power. (A) Sketch and label the load. Find (b) the line voltage, (c) the line current, and
Voltage in complex forms, An engine consumes 10kw of power and 4kvar reactive power at a current of (6+j4)Amps
a half wave rectifier circuit with a 1K ohm load operates from a 120V rms 60-Hz household supply through a 10-to-1 step down transformer. It uses a silicon diode that can be modeled to have a 0.7V drop for any current.
A sequential circuit has two JK flip-flops and , one input , and one output . The flip-flop input equations and circuit output equation are: Ja=Bx Ka=x' jb=A'x Kb=A+Bx; Y =Ax'+Bx'
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