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Modify the simulation program given in Computer to allow the sampling frequency to be entered interactively. Examine the effect of using different sampling frequencies by executing the simulation with a range of sampling frequencies. Be sure that you start with a sampling frequency that is clearly too low and gradually increase the sampling frequency until you reach a sampling frequency that is clearly higher than is required for an accurate simulation result. Comment on the results. How do you know that the sampling frequency is sufficiently high?
can the zener diode be used as a conventional diode? explain your answer and verify with a curve from the curve
Calculate the total impedance of the circuits of given figure. - Express your answer in rectangular and polar forms, and draw the impedance diagram.
The analog multi meter in Figure 56 is set on the 3 V range to measure dc voltage. The pointer is at 150 on the upper ac-dc scale. What voltage is being measured?
It requires the frequency resolution to be less than 0.5 Hz. Determine the number of data points used by the FFT algorithm and actual frequency resolution in Hz, assuming that the data samples are available for selecting the number of data points.
A D'Arsonval meter movement is described by its fullscale current Ifs and full scale voltageVfs , with Vfs= 100mV andIfs=10mA . Determine the resistanceRm of the D'Arsonval meter movement.
Electric field and potential of point charge in the presence of conductors and dielectrics. In the spherical geometry in Figure 4.69 find the electric filed intensity and potential at point P.
What is the difference between the saturation and active regions of a BJT. What determines which region the transistor is in.
A two-winding, single-phase transformer rated 3 kVA, 220:110 V, 60 Hz is connected as an autotransformer to transform a line input voltage of 330 volts to a line output voltage of 110 V and to deliver a load of 2 kW at 0.8 lagging power factor.
How many control lines do you need to connect each register to all other registers?
The Power Consumption of a single-phase electric load fed from a 120 V source is represented by: P(t) = 100(1- e -t/10 ) KW where t is the unit of time in hours. Compute the energy consumed by the load over the period of 24 hours.
Select an appropriate QAM signal constellation, carrier frequency, and the roll-off factor of a pulse with a raised cosine spectrum that utilizes the entire frequency band. Sketch the system block diagram and the spectrum of the transmitted signal..
design an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and Df= 20 kHz. A narrow-band FM generatorwith fc = 200 kHz and adjustable Df in the rangeof 9 to 10 Hz is available.
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