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A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm.
a) If the wafer (no pre-existing oxide) is to be oxidized at 1000-oC for two hours to form a ‘dense, non-porous, high-quality' gate oxide. What is the gate oxide thickness achieved in this case?
b) At the subsequent step, the wafer is further oxidized at the same temperature to form another 0.1µm ‘low quality' oxide. What is the time needed to complete this ‘faster' process?
c) Does the original junction exist? Justify your answer in terms of assumptions you made.
Calculate( show all details, including Input versus Output voltage curve) and indicate all circuit required circuit parameter values in order to achieve both positive and negative output bounds as specified earlier. Briefly and very clearly descri..
The data rate of a continuous-phase FSK modulated signal is 100 kbps. What is the minimum frequency separation that can maintain orthogonality between the two tones (sinusoidal carriers)
find the voltage E and the current Ir and IL in phasor form
A CB transmitter is rated to supply 4 W of carrier power to a 50 Ohm load while operating from a power supply that provides 13.8 V. The nominal supply current is 1 A without modulation and 1.8 A with 80 % modulation.
What is the major difference between a bipolar and a unipolar device Which of the transistor currents is always the largest Which is always the smallest? Which two currents are relatively close in magnitude
The NF (dB) is defined as 10log(SNRin/SNRout) - in the unit of dB. If we are given the values of SNRin and SNRout in dB unit, how do we calculate NF (dB) in terms of dB, and how do we calculate NF in term of a pure ratio
The signal given is x(t) =cos(440*2*pi*t) +cos(554*2*pi*t)+cos(659*2*pi*t) Find the complex exponential forier series of the signal and plot k vs Ck for k=-1000 to 1000.
Improve the controller designed in part by introducing a mechanism for the disturbance compensation at the plant input. Illustrate advantage of the improved controller by applying the fast varying piecewise constant reference input vector and sinu..
We have v1(t)=10cos(wt+30degrees). The current i1(t) has an rms value of 5A and leads v1(t) by 20s. (The current and the voltage have the same frequency) Draw a phasor diagram showing the phasors.
The DC shunt motor is running at full load with a supply voltage of 440 V and a supply current of 70 A. The rotation speed in full load is 1000 rpm, the field resistance is 200 Ohm and the armature resistance is 0.2 Ohm.
An aluminum casting that has a mass of 10 kg sits on a steel surface. How much force will be necessary to get it to start sliding. The static coefficient of friction (mu) for aluminum on steel is 0.61.
Consider a unity feedback control system with plant transfer function G(s) and controller transfer function Gc(s). (a) If the phase margin and crossover frequency are adequate but you need to increase the error constant.
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