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Design an analog computer circuit (using minimum resistor values of 10 k ohms ) to obtain the summing (adder) function.
Vo = -v1 -v2 +v3
A aperiodic signal x(t) = 2sinc(2t) is multiplied by a periodic rectangular pulse train s(t) with fundamental frequency F0 = 4 Hz and the fundamental rectangular pulse given by p(t) = 1, -1/80
An AC signal has a peak value of 100 V and a frequency of 60 Hz. If the voltage crosses zero in a rising direction at t=0 seconds, what is the instantaneous voltage at t = 0.004167
Solve y"+y'-2y=2x^2, y(0) = 0, y'(0) = 1 following these steps a) find homogeneous solution, b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated,
A voltage divider has a 5 V source and two 150 kilo ohm resistors. What is the voltage across(a) an ideal voltmeter (b) a voltmeter with an input resistance of 10 mega ohms
An analog system has a bandwidth of 10 MHz, a photodetector of = 0.5 A/W and ID = 1 nA, and a signal to noise ratio (SNR) of 30 dB. The receiver's temperature is 270 C and the load resistance is 50 .
State the approximate sampling distribution of theta hat, the proportion of persons who spent more than 1200 on a pc. Find the probability that more than 60% of this group spent more than 1200.
Design a four pole lowpass filter with Sallen-Key topology and a Butterworth characteristic. The cutoff frequency of the filter must be 16 kHz.
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
The 8086 Microprocessor Operating Systems and System Interrupt services, Please help me write a program that will display the hex code for any key, or key combination, that is pressed on the keyboard.
A positive charge of 625 nC is uniformly distributed around a circular ring of radius 3 m that is positioned in the x-y plane. The center of the circle is at the origin. The relative permittivity of the medium is Epsilon_r = 1.
b) What are the equilibrium electron and hole concentrations at 300K and 500K (hint: You will have to find Nc and Nv at 500K, but it isnt necessary for 300K) c) Why does the mobile carrier concentration increase at high temperatures
3-singlephase 2 winding transformers, each rated 500 MVA, 13.8/199.2 kV, with leakage reactance Xeq = 0.10 per unit, are connected to form a three-phase bank. Winding resistances and exciting current are neglected.
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