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The circuit in given Figure has transistor parameters: hF E = 100, VB E (on) = 0.7 V, and VA = ∞.
(a) From the quiescent values, determine the small-signal parameters for Q1 and Q2.
(b) Using nodal analysis, determine the small-signal closed-loop current gain Ai f = io/is.
(c) Using nodal analysis, find the input resistance Ri f.
Determine the corner frequencies and the limiting horizontal asymptotes of a common-emitter circuit with an emitter by pass capacitor. Consider the circuit with the parameters Re=4kΩ,Rc=2kΩ,Rs=0.5kΩ,Ce=1μF,v+=5v,V- =-5v.
What connectivity is required for both parties? Use your textbook and the Interne to research your answer. Which option would you suggest and why?
Compare the field at the center of a Helmholtz coil pair and at the center of a solenoid, if both use the same total length of wire and carry the same current.Take the solenoid length equal to the spacing between the Helmholtz coils
a current source of 12 cos 2000t a a 200-ohm resistor and a 0.2-h inductor are in parallel. assume steady-state
Repeat given Problem for the network of given figure (a). - Using Millman's theorem, find the current through and voltage across the resistor RL of given figure (b)
A signal x[n] is formed by sampling a signal x(t) = -4sin(200*pi*t) at a sampling rate of 400Hz. Graph x[n] over 10 fundamental periods versus discrete time. Then do the same for the sampling frequencies of 60 and 200Hz.
Hint: Show that all the local maxima and minima of the trigonometric polynomial must be in either the passband or the stopband to satisfy the alternation theorem.
For the simple equivalent circuit of 0.017 m2 PV cell shown below, the reverse saturatoin current is I0= 4 * 10-11 A and at an insolation of 1-sun the short circuit current is Isc = 6.4 A. At 25 degrees C
A 10m diameter cylindrical tank is emptied by a constant outflow of 1 m3 /min. A two position controller is used to open and close a fill valve with an open flow of 3 m3 /min. For level control the neutral zone is 1m and the setpoint is 10m.
State how you form some combination of batteries available to produce desired supply voltage.- Also specify what is the probability that your combination of batteries falls within the desired range.
A right triangle is to have area 18 square inches. What should the lengths of the legs be, if the length of the hypotenuse is to be as small as possible?
A 4157-V rms, 3-phase supply is applied to a balanced Y-connected three-phase load consisting of three identical impedances of 48 at angle 36.87 degrees . Taking the phase voltage Van as reference
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