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A mosfet amplifier has attribute for wwhich the mid band voltage gain between gate and drain is -27V/V the nmos trensistor has Cgs=0.3 pf and Cdg=0.1 pf. What input capacitance should be? FOr what range of single source resistances can one expet with 3 db frequency to exceed 10Mhz.Neglect the effect of RG.
A web ad can Be designed from four different colors, three font types, five font sizes, three images and five test phrases. A specific design is randomly generated By the web server when you visit the site.
A certain three-port network is lossless and reciprocal, and has S13 = S23 and S11 = S22. Show that if port 2 is terminated with a matched load, then port 1 can be matched by placing an appropriate reactance at port 3.
A 6 pole round rotor 3 phase star connected synchronous machine has the following test results: Open circuit test: 4000 V line to line at 1000 rev/min, 50 A rotor current Short circuit test: 300 A at 500 rev/min, 50 A rotor current
Find the components and the length of the vector u with initial point P(1, 1, -3) and terminal point Q(-2, -1, 4). Sketch u and determine the unit vector in the direction of u. Find the inverse by Gauss-Jordan (or state that it does not exist) of t..
A stereo draws 2.4A at 120V. The audio output power is 50W. a)how much power is lost in the form of heat in the system b)what is the efficiency of the system
A current source of 12 cos 2000t A, a 200-ohm resistor, and a 0.2-H inductor are in parallel. Assume steady-state conditions exist. At t = 1 ms, find the power being absorbed by the (a) resistor; (b) inductor; (c) sinusoidal source.
Toss a fair coin until the first head is obtained. Let X be the number of tosses until the first head is obtained. Compute and draw the pmf and cdf of X.
single phase motor draws 20A from a 200V, 50Hz supply with a lagging power factor of 0.8. Calculate the value of the capacitance needed to bring the current in phase with the voltage.
A machine produces photo detectors in pairs. Tests show that the first photo detector is acceptable with probability 3/5. When the first photo detector is acceptable, the second photo detector is acceptable with probability 4/5.
False positive and false negative rates can be adjusted, and they are often complementary: Lowering one raises the other. List two situations in which false negatives are significantly more serious than false positives.
Consider a p-type semiconductor substrate with Na =10^15 cm^-3. A region of heavily p+ doped material is formed by ion implantation as shown in the sketch below.Derive an expression for the built-in voltage under equilibrium conditions.
A 50HP single phase motor operates from a 480V, 60HZ supply. When delivering full rated power the motor efficiency is 89% and the power factor is 0.78 lagging. Determine the full load current.(Hint: 746W=1HP)
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