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A negative feedback amplifier has a close-loop gain Af=100 and an open-loop gain A=105. What is the feedback factor? If a manufacturing error results in a reduction of A to 103, what close-loop gain results? What is the percentage change of Af corresponding to this factor of 100 reduction of A?
Write the logic equation for Y in terms of A,B,C that solves this problem, and draw the gate-level diagram.
At what temperature do hydrogen molecules, H2, have the same rms speed as nitrogen molecules, N2, at 455C. At what temperature do hydrogen molecules have the same average kinetic energy.
A computer has 16-bit instructions and 64 registers. Suppose it is required to have at least 14 instructions designed to have 2 operands from registers (e.g., add, $1, $3 puts the sum of $1 and $3 into $1.
Compare GBN, SR, and TCP(no delayed ACK). Assume that the timeout values for all three protocols are sufficiently long such that 5 consecutive data segments and their corresponding ACKs can be received (if not lost in the channel)
Design a circuit that will display the decimal numbers that are less than 60 by using two 7-segment displays. The number 60 should be displayed as 00. Use the least amount of IC's as possible.
four determinations of the pH of a certain solution are 7.90, 7.94, 7.91, and 7.93. Assuming normallity of determinations with mean mhu, standard deviation sigma, find: A. 99% confidence interval for mhu "u"
Consider a PNP BJT optimum designed for low voltage high current gain. (a) Draw energy band diagram with proper labeling with VCB= -0.7V, VEB= 0.7V. Which mode is the BJT operated in (b) Plot excess minority charges stored in each region with pro..
Design a simple unipolar drive circuit such that the electrical time constant is 2 msec at phase turn-on and 1 msec at turnoff. The stepping rate is 300 steps per second. A three-phase variable-reluctance stepper motor has parameters.
An electronic PI temperature controller has an output p of 12 mA when the set point equals the nominal process tmperature. The controller response to step change in the temperature set point of 3 mA
A spaceship moves at a speed of 0.85 c away from theEarth. It shoots a star wars torpedo toward the Earth at aspeed of 0.80 c relative to the ship. What is the velocity of the torpedo relative to the Earth
1. Express the Boolean function f(X,Y,Z) = XY + X(Y + Z) in sum of products form showing the sum all nonzero minterms. 2. Express the Boolean function f(A,B,C,D) = A(B + BC) + ACD in sum of products form showing the sum all nonzero minterms.
Linearity, order, casuality, and time variance for systems, What are the linearity, order, casuality, and time variance of each input-output relationship for systems?
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