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Compare the maximum theoretical PCE for 980-nm and 1475-nm pumping in an EDFA for a 1545-nm signal. Contrast this with actual measured results of PCE = 50.0% and 75.6% for 980-nm and 1475-nm pumping
Consider a 4-drive, 200GB-per-drive RAID array. What is the available data storage capacity for each of the RAID levels, 0, 1, 3, 4, 5, and 6
A germanium wafer is doped with phosphurus Nd=10^15 cm^-3. Find the electrons and holes densities and the Fermi level at room temperature.
If a cache being simulated were allowed to have a block size of 4 bytes, what optimization would be possible for blocks of that size that is not possible for block sizes 8 bytes and above
A house at 42 degree north latitude has a roof that faces due south, and is elevated to an angle of 23 degree. A solar panel is mounted to the roof. what is the angle of incidence between the sun an
a digital sinusoidal is produced with a 3 kHz sampling of an analog sinusoidal repeats every 9 samples. What possible frequencies can the analog signal have
The voltage and current produced by a 9V battery for different loads were measured as follows: Voltage [V] 8.91 8.72 8.30 7.91 7.49 Current [mA] 89.4 171 377 549 750 (a) Determine the Thevenin equival
A 200 ft length of solid copper wire is measured to have a resistance of .500 Ohms. a. Determine the cross sectional area of the wire in both square mils and in circular mils. b. Determine the diamete
Discuss how you can identify which resistances are in series and which ones are in parallel in a series-parallel circuit. How might this affect how you measure current and voltages in the circuit wi
U.S. Cenus Bureau statistics show that the annual earnings for persons with a high school diploma are $35,220 versus $57,925 for someone with a bachleor's degree. If the cost of attending college is
A practical source delivers 50mA to a 300Ω load. The source delivers 12V to a 120Ω load. Find the maximum power available from the source.
A 100Ω load needs 10mA to operate correctly. Design a practical power source to provide the needed current. The smallest source resistance you can practically design for is 50Ω, but you
The vending machine sells soda for $1.50 per bottle. The machine also accepts D($1 bills) and Q(quarters= $.25). When the sum of money is greater than $1.50, i.e. two $1 bills, the machine returns c
the diameter of a semiconductor plate of radius a is kept at 0 degree centigrade and the temperature at the boundry is T degree centigrade. Find the steady state temperature in the plate.
Describe how you would use the voltage follower so the output load voltage (as measured with a scope probe) agrees with the value shown on the function generator front panel independent of load impe
Draw a state diagram for an FSM that has an input X and an output Y. Whenever X changes from 0 to 1, Y should become 1 for two clock cycles and then return to 0 - even if X is still 1
Create a circuit of three level-sensitive D latches connected in series. Use a timing diagram to show how a clock with a long high time can cause the value at the input of the first D latch to trick
Your VHDL description should be structural and constructed from 3 behavioral VHDL 1-bit ALU blocks, a special behavioral VHDL 1-bit ALU block for the most significant bit and a behavioral VHDL block
An appliance is protected by a 15-A breaker. What is the maximum number of coulombs that can flow through the devicce before the breaker trips
find the reactive vars which the compensation equipment must supply to maintain the voltage profile (a)when the line supplies load of 50 Mva at 0.85 p.f lagging (B) when the line is open circuited a
A constant magnetic field passes through a single rectangular loop whose dimensions are 0.35 m × 0.55 m. The magnetic field has a magnitude of 2.1 T and is inclined at an angle of 65° with
In the latest release of the game there are 8 characters the user can choose from. The user can choose one character from the 8 characters by moving the controller joystick up, down, left, or right.
For best precision, he wants to condition the signal such that it utilizes the full range of the A/D converter. Calculate the required DC offset and gain of the signal conditioner such that the sign
Two dielectric media with dielectric constants ε1 and ε2 are separated by a plane boundary at x = 0, A point charge Q exists in medium 1 at distance d from the boundary. a - Verify t
A 100μF capacitance is initially charged to 1000 V. At t1=0, it is connected to a 1kΩ resistance. At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipa