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Three amplifiers with power gains of 15, 22 and 7 ate cascaded. The input power is 120 micro-W. What is the output power of the final amplifier stage?
pressure limits of 10 kPa and 8 MPa, with reheat occurring at 4 MPa. The temperature of steam at the inlets of both turbines is 500°C, and the enthalpy of steam is 3185 kJ/kg at the exit of the high-pressure turbine
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting and the exterior lighting turn on at dusk automat..
The steady-state electron distribution in silicon can be approximated by a linear function of x. The maximum electron concentration occurs at x = 0 and is n(0) = 2.0 x 1016cm-3. At x = 0.012cm, the electron concentration is 5.0 x 1015cm-3.
1. Express the Boolean function f(X,Y,Z) = XY + X(Y + Z) in sum of products form showing the sum all nonzero minterms. 2. Express the Boolean function f(A,B,C,D) = A(B + BC) + ACD in sum of products form showing the sum all nonzero minterms.
A continuous time system has an output, y, which is given by y= 4sin( 4t+ f /2). It is sampled at a frequency of 4/f Hz. Determine the expression that correctly represent the discrete signal obtained after sampling and its value for n = 1
How tall must the antennas be if the link operates on a frequency of 2.450Ghz, D1=5miles, D2=11miles, and the obstruction is 60 feet high?
Find the total current I and the voltage across the capacitance. R = 420 ohms. capacitance = 292 ohms. inductance = 250 ohms. Source voltage 100 angle 0 degrees, 60 Hz.
under insolation conditions 500 W/m^2 (direct sunlight), and 10% solar cell efficiency, calculate the area required for a photovoltaic array capable of running an electric vehicle driven by a single 40 hp motor for 3 hours at half power
An automobile battery is charged with a constant current of3.75A for5hours. The terminal voltage of the battery isv= 11 + 0.5tVfort> 0, wheretis in hours.(a) Find the energy delivered to the battery during the5hours
Electrical wiring: Potentials of neutral and earth wires, Why is the neutral wire in housing circuits also at zero potential
What do the letters PCM and PAM stand for? Why is PCM transmission preferred over PAM transmission? Give at least two reasons in your answer.
If you have an M/M/Infinity system with arrival rate lambda and service rate mu(µ), how would you show that the expected number of packets in the queue is equal
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