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An emitter follower, when driven from a 10 kohm source, was found to have an output resistance Rout of 200 ohm. The output resistance increased to 300 ohm when the source resistance was increased to 20 kohm. Find the overall voltage gain when the follower is driven by a 30 kohm source and loaded by a 1 kohm resistor.
Suppose a fair coin is tossed n times. Each coin toss costs 'd' dollars and the reward in obtaining 'X' heads is aX^2 + bX. Find the expected value of the net reward.
An iron ring with a 50-cm mean diameter has a square cross-section of 4 cm2. It is wound with two coils having 1000 and 400 turns. Calculate (a) the self inductance of each coil, and (b) the mutual inductance between them.
Use the Z-transform of u[n] and properties of the Z-transform to find X(z). Verify that the expressions obtained above for X(z) are identical.
A decade counter uses Gray code. The counter has 4 FFs with outputs labeled A,B,C,D. Derive the simplest SOP excitation equation for the counter if it uses D FFs, then repeat for JK FFs.
A signal is modulated by BPSK and transmitted over an AWGN channel. At the receiver, the bit error rate performance is 0.001
A three-phase load is Y-connected. The load has a phase voltage of 139 V and a phase current of 49 A. Each phase of the load consumes 5.1 kW of power. (A) Sketch and label the load. Find (b) the line voltage, (c) the line current, and
The furniture store manager rarely finances purchases, but will for Terry "as a special favor." The rate will be 10% per year, and because the desk costs $600, the interest will come to $60 for a one-year loan. Thus, the total price is $660, and T..
Design a Mealy sequential machine with two inputs A and B, and one output Z. Output Z generates 1 if: (a) A had the same value at each of the two previous clock ticks, or (b) B has been 1 since the last time that the first condition was true.
Design channel coding performance simulator that compares two channel coding technique X and Y . You can provide pseudocode or block diagram of the simulator.
Find the electric field at the corner of the square of sidérant 30 cm at the corner P due to the charge at the other three q1=4.0uc,q2=7.0uc and q3= 3.0uc (b) compute the electric potential at the point p.
A. Determine the fundamental frequency w0, the period t0, and the coefficients in the representation X(t) = x0 + Re{(sigma)k=1N Xkejkwot} for the above input. C. Now consider a new signal y(t) = x(t) + 10 cos (50 pi t - pi/6). How is the spectrum ..
C++ Program Help, make a program that will read a file from a disk and will take the first letter of each word and and make that into a sentence.
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