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1. Choose a sampling rate of Fs = 40 kHz.
2. Create a vector t of 32768 time-sample points spaced according to this Fs, starting at 0 seconds.
3. Compute a vector x of 32768 samples of a 5400 Hz sinusoid with amplitude of square root of 2
4. Plot the first 100 points of the sinusoid vs. time and verify it is the correct amplitude and frequency, use the MATLAB line style "-o" to get a "line and circle" line style; the circles will show where the samples are. Notice the fact that the sample locations vary from cycle to cycle (because the frequency is not such that Fs is an integer multiple of it), which makes measuring the frequency from this time-domain plot a bit more difficult comment on your results. Can you get better accuracy by averaging together several measurements taken in different cycles?
5. Compute the DFT of the first 4096 points of the sinusoidal signal and plot the signal's DFT magnitude in dB vs. the frequency and verify the correct frequency.
A 3.3V, 30 A dc power supply is to be designed with a ripple of less than 2.5%. Assume that a half-wave rectifier circuit (60 Hz) with a capacitor filter is used.
Determine which of the machines with the following specifications is realizable with a finite number of states. 1) A machine is to produce an output of 1 whenever the number of 1's in the input sequence exceeds the number of 0's.
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Any flip-flop type can be implemented from another type with suitable logic applied to the latter's inputs. Show how to implement a loadable D flip-flop starting with a T flip-flop.
Two particles are fixed to an x axis: particle 1 of charge q1 = 2.32 x 10-8 C at x = 27.6 cm and particle 2 of charge q2 = -5.98q1 at x = 60.4 cm. At what coordinate on the x axis is the electric field produced by the particles equal to zero
Discrete sequence plot in Matlab, Consider the following formula, x[n] = x[n-1] + x[n-3] n>=3, find the rest of the sequence for 0
Will a 12VDC power supply capable of delivering 1 amp be able to power this heater (resistor). Use Ohm's law to show whether or not the power supply will be able to deliver the required current.
A thermometer, initially at a temperature of 75 degrees Fahrenheit is suddenly immersed into a tank of water with a temperature of 180 degrees Fahrenheit. The time constant of the thermometer is 4 s.
A DC power supply is adjusted to give a no load output voltage of 15 volts with the AC line voltage of 115 volts rms. A full load current of 1A is drawn into the circuit and the output voltage drops to 14.89 volts.
What is the difference between a D flip-flop and a J-K flip-flop How does the number of inputs affect the possible synchronous states of a flip-flop (Set, Reset, Hold, Toggle)
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