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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
placing the compensator or zero such that it will cancel the open-loop pole at -1. For both compensators you design, show the corresponding closed-loop transfer functions and compare the transient responses (P.O. and Ts).
Assume that this whole system is linear, so that, if the pressure on a sprinkler is halved, the area covered (as well as the flow rate) will be halved. This is true until the pressure is reduced below 20psi, at which it does not work at all.
Resisitive load, A 4:1 step down transformer uses a 60Vac source on the primary windings.
A transmitter is using a 2B1Q and operating at 3 Mbps. What is the minimum bandwidth necessary on the transmission line for successful communication
A. determine the mean, variance, and standard deviation B. find the three quartiles and the interquartile range C. Prepare a box plot for the data and determine if there are any outliers present.
The counter must stop at a value which is defined by using the 8 slide switches. Use the discrete LEDs as the output to validate the counter. The counter should run when a push button ‘run' is being pressed.
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.
four determinations of the pH of a certain solution are 7.90, 7.94, 7.91, and 7.93. Assuming normallity of determinations with mean mhu, standard deviation sigma, find: A. 99% confidence interval for mhu "u"
Plot the signal x(n) 0
1.For an impedance equation, such as 15ohms + j60ohms, explain the steps to determine equivalent series and parallel circuits. 2.For a given parallel RC or RL circuit, explain how admittance, current, and phase would change
For a "Personal water craft" water is pumped from beneath the craft and discharged out the rear in a 1.25 inch diameter stream at a velocity of 75 ft/sec. Assuming that the craft and rider weighs 650lbs find the force acting on the craft and maxim..
A long straight metal wire of radius r1= 2.20E-2 m is surrounded by a metalic cylindrical shell of inner radius r2= 1.24E-1 m and outter radius r3= 1.91E-1 m. The axes of the wire and the cylindrical shell coincide.
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