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Calculate the overall voltage gain in each expressed both directly and in decibels.
An amplifier with 40 dB of small-signal, open voltage gain, an input resistance of 1 M Ohm, and an output resistance of 10 Ohm, drives a load of 100 Ohm. What voltage and power gains (expressed in dB) would you expect with the load connected? If the amplifier has a peak output limitation of 100mA , what is the rms value of the largest sine-wave input for which an undistorted output is possible? What is the corresponding output power available?
A 10-mV signal source having an internal resistance of 100 k Ohm is connected to an amplifier for which the input resistance is 10 k Ohm, the open-circuit voltage gain is 1000 , and the output resistance is 1 k Ohm. The amplifier is connected is turn to a 100- Ohm load. What overall voltage gain results
Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 6cm and the distance between the two conductors is 3m.
Write a MATLAB program that will allow a user to type the specific heat of a value in calories per gram degree Celsius. Display the converted value in units of British thermal units per pound-mass degree Fahrenheit in the Command Window
Find the electric field intensity at (0,0,75000) produced by 50,000 0.1 C charges along the x-axis spaced at 1 meter apart starting at (1,0,0) and 50,000 0.2 C chargers along the y-axis spaced at 1 meter apart starting at (0,1,0).
Express the diode current equation. A) Define all the diode parameters and draw the I-V characteristics. (Assume non-ideal diode) B) If IF=10 mA, Is=10-15A, VT=25mV, Calculate the voltage drop across the diode.
For an RC circuit with a time constant of 1.0ms and assuming switch was closed at t=0, i) What is the time for the voltage across resistor to equal 10% of its initial value ii) What is the time for the voltage acro..
Discuss what is meant by line spectra and what information can be gathered from a line spectrum plot. Discuss the similarities and differences between the Fourier Transform and the Laplace Transform.
A flashlight battery with a voltage of 1.2 would be considered. During servicing, Ni-Cad batteries are normally overcharged to of the rated amp-hour capacity. What is done in an airplane in flight to mitigate this complication
A three phase motor is connected to a 60Hz electrical source. The motor spins at 600rpm. Find the number of poles in the machine. The output of the above motor is connected to the input of a generator.
A random variable X is normally distributed with mean u = 10 and standard deviation sigma = 1.5. Find the following probabilities: A. P(8 or equal 8.5).
A long hallway has three doors, one at each end and one in the middle. A switch is located at each door to operate the incandescent lights along the hallway. Label the switches A, B, and C. Design a logic network to control the lights.
In a balanced three-phase wye-wye system, the load impedance is 4 + j3 . The source has phase sequence abc and Van = 120
A certain lossless transmission line is terminated in a normalized load impedance of ZL,n = 0.5 j2 ohms. Use a Smith Chart to determine the answers to the following questions. Mark the position of the load impedance on the chart and label it ZL.
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