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Design a two stage amplifier to meet the following specs: Undistorted output(at least 10Vp-p), Bandwith from 20Hz to 15kHz, AC coupled, stage to stage and to output, Overall voltage gain of 20dB, Use a 20(max)volt single sided power supply, output load will be 470 ohm?
Two statistically dependent random variables x1 and x2 are applied at the inputs to a threshold detector , the output from which is equal to the number of inputs that exceed the threshold T. Thus, y = 0, 1 or 2.
Explain why the short-circuit method for determining the Thevenin resistance of a circuit cannot be applied if the circuit does not contain any independent current or voltage sources.
What is the principle behind CRT(CATHODE RAY OSCILLOSCOPE), and How this method is simplified in LCD and LED. Is the same CRT principle used in LCD and LED Televisions. If no what is the principle used in LCD and LED Tvs.
Consider a PNP BJT optimum designed for low voltage high current gain. (a) Draw energy band diagram with proper labeling with VCB= -0.7V, VEB= 0.7V. Which mode is the BJT operated in (b) Plot excess minority charges stored in each region with pro..
A linear time-invariant system has a transfer function with a direct-current gain equal to 2 and a phase angle of 45°. What is the response of this system to the input x(t) = 4 cos(2t)
Describe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code.
Detailed Explanation to Op-Amp, A certain op-amp has an open-loop voltage gain of 100,000 and a common mode gain of 0.2. Determine the CMRR in dB.
Explain the difference between TDM and TDMA.
The starter motor on a car draws 75-A starting current, which lowers the batery voltage from 12.6 to 9.1 V. What would be the battery voltage if it were being charged at 30 A.
Suppose that we want to determine how many of the bits in a six-bit unsigned number are equal to 1 . Design the simplest circuit that can accomplish this task.
The time to failure of fluorescent lights in a large office building is exponentially distributed with a failure rate of 0.03125 hours. How many spare tubes must the building custodian maintain to have at least a 0.95 probability of replacing all..
A general relationship for the current density carried by electrons of density n is J = qnv, where q is the electronic charge and v is the electron velocity due to drift and/or diffusion. (a) Find the velocity of electrons, v(x), that are moving on..
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