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1.A Si example is doped with 10^17 As atoms/cm^3, waht is the equilibrium hole concentration at 300K? where is Ef relative to Ei?
2.Estimate the intrinsic carrier concentration of diamond at700K (you can assume that the carrier masses aree similar to those in Si).Compareee the results with those for GaAs and Si. the result illustrates on reson why diamond is useful for high temperature electronics.
3. A GaAs device is dopeed with a donor concentration of 3*10^15 cm^-3, For the device to operate properly, the intrinsic carrier cconcentration must remain less than 5 percent of the total electron concentration. What is the maximun temperature that the device may operate?
(b) Verify that there are 4.994×(10 to the power 22) atoms per cubic centimeter in the Si lattice at room temperature. (c) Determine the center to center distance between nearest neighbours in the Si lattice.
Determine the initial stored charge. Determine energy of the capacitor. If this capacitor is discharged to 0 V in a time interval of 1 s, find the average power delivered by the capacitor during the discharge interval.
A noninverting amplifier has a closed loop voltage gain of 11. What is the output peak voltage if the input is 2 V peak to peak?
Step-down transformer
V1(18V) R1(1k) R2 (1.5k) R3 (2k)How does the ratio V2 V1 compare to the raioR2 R1?How does the ratio V3 V1 compare to the raioR3 R1 Add the measured voltage V1 V2 and V3 How does this value compare to the value Vt
A bowling ball is placed on a coil spring. The spring constant is 400N/m. When the bowling ball is placed on the spring, the spring compresses down 0.1m. If the spring is vertical how far will the bowling ball go
Three two-input "AND" gates have their outputs connected to an "OR" gate. The first "AND" gate has each of its inputs at logic HIGH level. The second "AND" gate has each of it's inputs at logic LOW level.
A majority gate returns a true output if more than half of the inputs are true. So, a 3-input majority gate outputs a ‘1' if at least two of its inputs are ‘1'. A minority gate generates the complement, that is it outputs ‘0' if at least two of th..
1. Determine Laplace transform of (2-2e^-4t)u(t) 2. Determine if x(t) = 9cos(2t)+4sin(pi t) is periodic; if periodic, calculate the period. 3. Compute the inverse Laplace transform of X(s)= (s+2)/(s^2+ 7s + 12).
The receiver uses a 10.7 MHz IF. For cost, power, weight and size reasons, it is desirable to use a single clock oscillator that will provide the frequency reference for the synthesizer, as well as providing the clock for data.
To digitally manipulate information we must encode it using binary numbers. Consider an encoding for playing cards. There are 52 cards in a deck and they are divided
An early code used in radio transmission involved using codewords that consist of binary bits and contain the same number of 1s. Thus, the 2-out-of-5 code only transmits blocks of 5 bits in which 2 bits are 1 and the others 0.
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