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1. Sketch a zero-crossing detector and describe its theory of operation.
2. How can I prevent a noisy input from triggering a comparator? Draw a schematic diagram and some waveforms to support your discussion.
3. Tell me how an integrator works by drawing a schematic diagram and some waveforms.
Binary symmetric channel, Assume that we are transmitting binary digits over a binary symmetric channel. Let p(x=0)=p(x=1)=0.5.
Sketch the temperature distribution for case 1 on T - x coordinates. Describe the key features of this distribution. Identify the location of the maximum temperature in the wall and calculate this temperature.
A motor connected to a 220V(rms), 60Hz voltage source is marked as drawing a current of 13.5Amps(rms), with a power factorof 0.72 lagging and an efficiency of 83%. Suppose that the motor operates according to these specifications.
if a rod of brass 0.35 m long is heated from 150 to 850c while its ends are maintained rigid determine the type and
An analog LTIC system with impulse response function h(t) = u(t+1)-u(t-2) is presented with an input x(t) = t(u(t) - u(t-2)). (a). Determine and plot the system output y(t) = x(t)*h(t)
find the transfer function and resolution for a 10-turn, 4.7k potentiometer with 3450 degrees of rotation and a 0 to 5 volt output. calculate the resolution in ohms per volt
steady-state response, when it is excited by x(n) = u(n). What is its unit impulse response h(n)?
If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit when on hook calculate the combined resistance of the local loop and the power source at the central office.
A pn-junction is uniformly doped and has dopant concentration of NA = 4 x10^16 cm^-3 in the pregion at 300K. At zero bias, 20% of the total space charge region (W) is extended in the pregion. Calculate Vbi, ND, W, xn and xp.
Write the equation that describes the body effect on the transistor - Suggest a modification to the circuit to convert it to a single-ended opamp.
A plate of 1/4-in. thickness is corrugated as shown and then used as a beam. For a vertical shear of 1.2 kips
a differential protection system with a power transformer 450MVA, 230/115kV, determine: a. The current line on both sides of the power transformer b. Based on these current selection for the cts from the table. c. Set (identify) the corresponding con..
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