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Undesired Oscillations A test is being run in a wind tunnel when a sensor on the trailing edge of a wing produces the response shown in Figure. When the sensor output reached 1 V, the test was terminated.
Analyze the results. The oscillation could be tolerated if it never reaches 20 V because the onboard computer can mitigate it. However, the response time for the computer to actuate the compensating aileron is 80 ms. Will the compensation occur in time?
Assuming the outcomes to be equally likely, find the probability that at least one vehicle turns left. (Would this assumption always be reasonable?)
an fm transmitter delivers to a 50 ohm antenna a signal voltage of V(t)= 75sin(10^8 t+2 sin 10^3t) determine(a) carrier frequency (b) Intelligence frequency (c) modulation index (d) Total Power in FM signal
Compare the differences in the FFT result. Explain why even though the inputs to both FFTs are the same cosine waves, the shapes of the FFTs are different. Calculate, plot and compare the results of the 512-point FFT of the above signal.
An amplifier operates from -5V and +5V balanced power supplies. It provides a 3.2-Vpeak sine across a 150 ohm load when provided with a 0.2-V peak input from which 2.0mA peak is drawn. The average current in each supply is 20mA.
Assuming the feedback transfer function is not a function of frequency, determine the frequency at which the phase of the loop gain is 180 degrees.
Assuming that the speed of rotation and magnetic flux density are constant, plot the terminal voltage of this machine as a function of the current drawn from it.
Using an equation and a well labeled diagram illustrate the representation of a Gaussian density curve and a cumulative curve.
We have an amplifier with a 1 MHz bandwidth and a 20 mV input signal. The input noise = 1 mV, output signal 6.0 mV, and output noise = 1 mV. Find: (a) SNR at the input (b) ..
Compute the minimum required op amp gain.
A two port amplifier has been designed to match the source and load resistances Rin = 1k ohms, Rout = 16 ohms, A = 50dB. What is the amplitude of the input signal needed to deliver 1W to the 16 ohm resistor.
a load made up of a 100 ohm resistor in series with a 20 nF capacitor is connected across a 2400V (rms), 60 Hz voltage source. Find the complex power being delivered to the load and the power factor. state whether it is lagging or leading.
Write a VHDL description of a BCD-to-Binary converter. Initially a three-digit BCD number is placed in the A register. When St signal is recieved, conversion begins, and the resulting binary number in stored in register B.
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