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An engineer designs a microprocessor controlled ADC board that can acquire an 8 bit sample every 10 microseconds. His boss walks in and says: "You'll get a raise if the system can be modified to acquire a 12 bit sample every 100 milliseconds- but it needs to be done by tomorrow!" The first thing the engineer does is to measure the noise on the analog signal entering the ADC chip. He then smiles, and plans how to spend the extra money. In detail, explain what the engineer was looking for in the noise measurement, and how he can make the modification.
use GPS and they are useful for many reasons. GPS receivers use signals from more than three satellites so that cheap quartz clocks can be used instead of expensive atomic clocks. The quartz clocks tend to drift up to + or -1 ns/s.
False positive and false negative rates can be adjusted, and they are often complementary: Lowering one raises the other. List two situations in which false negatives are significantly more serious than false positives.
Build and test the operational amplifier summing circuit you designed for the Prelab using 741-type op-amps. Use VA = 2 V and VB = 3 V with power supply rails of ±18 V. Ask your lab instructor to give the correct pin-out of the 741 if necessary.
Write a balance reaction equation for the complete combution of carbon in air. What are the mass and mole fraction of fuel, air oxygen and notrogen in the reactants
For the system represented by the following difference equation y[n] = 0.5x[n] + 0.5x[n - 1] find: (a) the transfer function H(z) of the system. (b) the frequency response H(e^jw) of the system.
An inverting amplifier With nominal gain of -20V/V employs an op amp having a dc gain of 10^4 and a unity-gain frequency of 10^6 Hz. What is the 3-dB frequency f3dB of the closed-loop amplifier
An experiment is performed 5 times and two measurements are made. X = {1,3,2,5,7} Y = {6,7 8 9,10} Find the correlation coefficient between X and Y.
consider a 3λ/4 linear wire antenna which is fed at the center,find : i- the current distribution on the wire. ii- for the input current of .7 Amp, find the loop current (I0) , and the maximum radiated E at r = 1000 m
A long hallway has three doors, one at each end and one in themiddle. A switch is located at each door to operate the lights along the hallway. Label the switches X, Y, and Z. Design a logicnetwork to control the lights.
1. What would you need to understand about a CPU's architecture to take pseudo-code and convert it into programming instructions 2. What files are generated by CodeWarrior when you assemble an assembly language program with no errors
A 4 pole, 3 phase induction motor is given a supply of frequency 50 Hz. Rotor speed is 1490 rpm. a) Find slip s b) The relative speed between stator field and rotor field c) Frequency of stator field and rotor field
compute the fourier transform of the following signals, using the symbolic manipulator to perform the integrations. Plot the signal x(t) and the magnitude |X(&)| of the fourier transform a) x(t) =2e ^ (-4t) cos (10t) u(t)
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