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The input to the filter is Vin(t)=5+5cos(1000pi*t)+sin(20000pi*t)+4cos(3000pi*t) V and the output is Vout(t)=5+5cos(1000pi*t+10deg)+5sin(3000pi*t) V.
An initially charged capacitance discharges through a resistance. At one time constant, what percentage of the initial voltage reamins What percentage of the initial stored energy remains
A measurement signal has a frequency less than 1 kHz, but there is unwanted noise at about 1 MHz. Design a low-pass filter that attenuates the noise to 1%. What is the effect on the measurement sign
an unknown sensor is investigated by connecting resistors across the output and measuring the current through them. When a resistance of 30 is connected the current through it is 0.5A. When the resi
In the differential amplifier shown in the schematic, R1 = R2 = 10 k ohm; R3 = R4 = 100 k ohm. Assume the ECG voltage at V1 = 100 mV, and the ECG voltage at V2 = - 100 mV. There is a power line inte
An insurance company has made you the following retirement offer. If you pay them $100,000 now, you will receive payments of $8000 a year for 10 years. After this they will pay you $9000 a year in p
A new project has the following predicted profits. The initial investment is $3,000,000. Yr Revenue 1 $200,000 2 $400,000 3 $600,000 4 $800,000 5 $1,200,000 6 $1,200,000 7 $1,400,000 8 $1,600,000
An input signal given by Vin(t)=5cos(500pi*t)+5cos(1000pi*t)+5cos(2000pi*t) is applied to a basic lowpass RC filter. R=318.3 ohms and C=1 microFarad. Find the expression for the output signal in ter
The input to a certain filter is given by Vin(t)=2cos(10000pi*t-15deg) and the steady state output is given by Vout(t)=5cos(10000pi*t+25deg). Determine the (complex) value of the transfer function of
A quick description of R5 is needed before the next calculation can be completed. R5 is called a sampling resistor. R5 is put in series with the power supply so it shares the same current as the cir
A newly planted tree is supported against the wind by a rope tied to a stake in the ground. The force of the wind, though distributed over the tree, is equivalent to a single force F. Find the tensi
The steering wheel of a car has a radius of 0.11 m, while the steering wheel of a truck has a radius of 0.28 m. The same force is applied in the same direction to each. What is the ratio of the torq
Consider an ideal op-amp in inverting amplifier configuration with feedback impedance Rf=7ohms and an input impedance consisting of a series RL: Ri=9ohms and Li=5H. Let h(t) be the impulse response
A synchronous motor is rated as 250 hp, 4.8 kV connected 60 Hz 12 poles with Xs=0.6 pu and Rs=0.01 pu. The motor rotational losses are 1.5 kW and the excitation power is 6 kW. The motor is supplied
Assume a block size of 256 bytes, a clock rate of 1GHz, an L1 miss rate of 2%, and that main memory takes 100ns of overload and then delivers 16 bytes per clock cycle. What is the AMAT
A MOSFET transistor is being used as a converter switch in a 100v system. It is switching at 50 KHz and has a linear transition time of 3us. The full load current is 40 amps. - How much ave
A silicon p-n-p transistor has impurity concentrations of 5*10^18, 2*10^17, and 10^16 cm^-3, diffusion constants of minority carriers 52, 40, and 115 cm^2/s and minority lifetimes of 10^-8, 10^-7, a
(a) Determine the cone angle that will match the line to an infinite length biconical antenna. (b) For the cone angle of part (a), determine the two smallest cone lengths that will resonate the antenn
Let x1[n] = {-2,1,-3,-5,6,8} with arrow under -2 and x2[n]={1,2,3,4} with arrow under 1. a) determine circular convolution of 7 between x1[n] and x2[n] b) verify (a) calculations by computing the DFTs
Let x[n] = [1,2,3,2,1] with arrow under 3 and y[n] = [2,1,0,-1,-2] with arrow under 0. a) using scanning operation, determine and plot correlation sequence between two signals. b) Determine and plot c
The response of a LTI system to the input x[n] = (1/4)^n u[n] is y[n]=5(3/4)^n u[n]. A) Find the impluse response h[n] of the system. B) Find the output y[n] for the input x[n] =(1/3)^n u[n].
Consider the LTI described by the following input-output relation: y[n] = 3/4y[n-1]-1/8y[n-2]+x[n] a)Find system function H(z) and check is system is stable. b)Determine impluse response h[n] of syste
A certain three-port network is lossless and reciprocal, and has S13 = S23 and S11 = S22. Show that if port 2 is terminated with a matched load, then port 1 can be matched by placing an appropriate
A 74x163 counter is hooked up with inputs ENP, ENT, and D always HIGH, inputs A, B, and C always LOW, input LD_L = (QA.QC)', and input CLR_L = (QB.QD)'. The CLK input is hooked up to a free-running
An edge-coupled microstrip line with a ground plane spacing of 0.5 mm and dielectric constant of 10 is required to have even- and odd-mode characteristic impedances of Zoe=70 and Zoo=40