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A 2-wire DC distributor PQ is 500m long. It is supplied by three feeders entering P, Q and R where R is midway between P and Q. the resistance of the distributor, go and return, is 0.5W/km. The distributor is loaded as follows: points A and B are load currents of 30A and 40A, respectively with distances of 100m and 300m, respectively from P. In addition, a distributed load of 0.5A/m exists frpm P tp Q. calculate (a) the current supplied by each feeder if P and R are maintained at 220V while Q is at 215V, (b) the voltage at a point between P and Q and 50m from P.
determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.
Design a second stage (Rin, Rout, and Av) to meet these specifications: a) the two-stage amplifier has an open circuit voltage gain of 120 b) the open circuit voltage gain of the second stage must be in the range 50-100
Suppose unchirped Gaussian pulses at f = 1:55 fm are used to transmit binary data. You're given that the fiber dispersion parameter f = 17 ps/km-nm, and the dispersion length LD = 115 km. What is the half-width of the pulse at the origin
We want to sample the 2-D continuous signal f(x,y)=exp{-\(pi(x^{2}+y^{2})\)} by means of a rectangular sampling scheme to obtain 1.5 samples per millimeter. Determine the PSF h(x,y) of an ideal low pass anti aliasing filter
A 12-V automobile battery has an output capacity of 100ampere-hours (Ah) when connected to a head lamp that absorbs 200watts of power. a) Find the current supplied by the battery.
Given a geostationary satellite with 36,000 km altitude, a downlink frequency of 4 GHz and a ground receiver with a 1/3 m diameter dish.What is the satellite transmitter's EIRP in order for a 1 pW input to the ground receiver
Design a current divider that will provide a 1/3-2/3 current splitting ratio. Use resistance in kilo ohm range. Redesign the current divider so that the resistors are less than 100 ohms but maintain the same 1/3-2/3 splitting ratio.
Design a simple ALU (Arithmetic Logic Unit) which has three 4-bit inputs x = x3x2x1x0, y=y3y2y1y0 and z= z3z2z1z0, two control signals A and B and output S. The ALU should support the operations described in the following table
Use z transforms to find the ZIR yZI(k), the ZSR yZS(k), and the complete response y(k) for each system. (E+0.5){y(k)} = 0, y(0) = 0. (E2-3E+2){y(k)} = us(k), y(0) = 2, y(1) = 0. (us(k) = unit step sequence.)
What is the RF bandwidth occupied by signal? What is the frequency range of the transmitted RF signal?
Dividends are expected to grow at a rate of 20 percent for the next three years, with the growth rate falling off to a constant 8 percent thereafter. If the required return is 11 percent and the company just paid a dividend of $1.45, what is the c..
A modulating signal is amplified by a 80% efficiency amplifier before being combined with a 20 kW carrier to generate an AM signal. what would be The required DC input power to the amplifier, for the system to operate at 100% modulation.
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