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An ADSL signal uses 250 channels, each of 4 kHz bandwidth. Assume the maximum signaling rate to be 1 symbol/Hz. QAM is used within each channel with up to 64 point constellations. What is the bit rate/channel?
what would be the advantage, if any, of using a general equilibrium analysis to answer this question? Illustrate diagrammatically.
Comparing Error probabilities with BPSK and QPSK systems, A BPSK system and a QPSK system are designed to transmit at equal rates; that is, two bits are transmitted with the BPSK system
A video signal contains light variations that change at a frequency as high as 3.5 MHz. What is the minimum sampling frequency for A/D conversion?
What is the RF bandwidth occupied by signal? What is the frequency range of the transmitted RF signal?
Consider a coffee counter with a single server at which tired students arrive according to a Poisson process. Let the mean arrival rate be two students per ten minutes and assume the serving time is exponentially distributed with an average of 180..
A sequential circuit has two inputs w 1 and w 2 , and an output, z. Derive a suitable circuit for the given condition.
Each pole of a 100kW, 250v flet-compound generator has a shunt field of 2000 turns and a series field of 7 turns. If the total shunt field resistance is 100 ohms, calculate mmf when the machine operates at rated voltage.
A battery is charged. The relationship between the charging current, i amperes and the time, t hours passed, is given by the formula:
Using the Internet, a magazine, or a provided list of memory modules, determine the exact part numbers and quantities of memory modules that you would buy. List them with the location of where you obtained the information.
Solve Using Gauss-Seidel Method (Perform Four Iterations) Using the Gauss-Seidel method and the initial guess X1(0)=1, solve the following equation (x_1)^2 - 6x_1 + 2 = 0
Vary as square root-application, The frequency f of vibration of a wire varies directly as the square root of the tension T of the wire
A 115/28 V transformer has 56 turns on its low voltage side. How many turns does it have on its high voltage side what is its turns ratio when it is used as a step-down transformer
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