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Consider the common-emitter circuit in given Figure driven by an ideal signal current source. The transistor parameters are hFE = 80, VEB(on) = 0.7 V, and VA = 100 V.
(a) Determine the quiescent values ICQ and VECQ.
(b) Find the transresistance transfer function Azf = vo/is.
(c) Determine the input resistance Rif.
(d) Find the output resistance Rof.
Using a computer simulation, determine the small-signal differential-mode voltage gain and common-mode voltage gain.
A lossless transmission line, with characteristic impedance of 50Ω and eletrical length of l=0.27λ, is terminated by load impedance 40-j25Ω. Determine voltage reflection coefficient.
What is the trigger voltage required for your selected triac?
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.
Using a shorted stub to match load, what is the lenght of the line where the normalized input Y is 1 + jb . If the characteristic impedance of the shorted line is 40 ohms, what is the length of the stub length.
an amplifier operating from + - 3V supplies provides a 2.2-V peak sine wave across a 100 ohm load when provided with a 0.2-V peak input from which 1.0 mA peak is drawn. The average current in each supply is measured to be 20 mA.
In actual electronic work, capacitances range from 30 picofarads, to 60 microfarads, to 5 farads. Assuming that each of these capacitances is charged to five volts, find for each a) the stored charge in coulombs, b) the number of electrons stored ..
A businesswoman in Philadelphia is preparing an itinerary for a visit to six major cities. The distance traveled, and hence the cost of the trip, will depend on the order in which she plans her route. How many different itineraries (and trip costs)..
need the coding for the circuits and its a intelligent fan controller based on
Compute the power gain, the available power gain, and the transducer power gain.
An OP-AMP has a slew rate of 5 V/μ S. - The largest sine wave O/P voltage possible at a frequency of 1 MHZ is:
What is a semiconductor? - How does it compare with a conductor and an insulator?
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