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draw a diagram consisting of potential block with the following characteristics:region1: X<0 V=0region2: X=0 to X=a V=Voregion3: X>0 V=0
a) determine the wave equations for all three regionsb) what is K for each regionc) using matrix algebra, determine the coefficients to the wave eaquation in region 2
4H-SiC is doped with 2 x 1017 cm-3 nitrogen donor atoms (Ec - Ed = 90meV). Use Nc = 4 x 1020 cm-3. a. Calculate the electron density at 300 K. b. Calculate the hole density at 300K after adding 2 x 1018 cm-3 aluminum acceptor atoms
Discuss how energy is stored in capacitors and inductors. Are the equations linear or non-linear How do you know? Discuss the concept of duality and why it applies to many fundament engineering concepts.
Simplify the following circuit. Line A goes into an INVERTER, then into a NAND Gate, then into an OR Gate, then travels into another NOR Gate.
A parking garage charges a $ 5.00 minimum fee to park for up to three hours and an additional $ 1.00 per hour for each hour over the hours. the maximum charge for any given 24 hours period is $ 2.00.
An AM modulator operates with the message signal m(t) = 6cos(10πt) - 4sin(30πt) with unmodulated carrier: 50cos(30πt) and index of 0.1 Write the equation for mn(t) the normalized signal with minimum value of -1.
find the transfer function and resolution for a 10-turn, 4.7k potentiometer with 3450 degrees of rotation and a 0 to 5 volt output. calculate the resolution in ohms per volt
Design a differential input difference amplifier for a differental voltage gain of Ad=20. There are no stipulations for minimum or resistance values. What is the input resistance of the differential amplifier
Suppose we have a causal LTI system with rational system function H(s). We don't know H(s), but we do have the following information: i. When the input to the system is x(t) = u(t), the output y(t) is absolutely integrable.
Assuming dopant atoms are uniformly distributed in a silicon crystal, how far apart are these atoms when the doping concentration is a) 10l5 cm-3, b) 1018 cm-3, c) 5times1020 cm-3. Estimate the resistivity of pure silicon in Ohm-cm
In how many ways can a class of 30 students select a committe from the class that consists of a president, a vice president, a treasurer, and a secretary A. if any student may serve either of these roles but no student may serve in multiple roles ..
A high-pass filter with C=30pF. R= 40 kohm A) What is the cutoff frequency The output of this filter is connected to an amplifier with an input resistance of 60 kohm. B) Sketch and label the new circuit. C) What is the new cutoff frequency
An LC circuit consists of a capacitor, C = 3.16 ?F, and an inductor, L = 5.80 mH. The capacitor is fully charged using a battery and then connected to the inductor. An oscilloscope is used to measure the frequency of the oscillations in the circui..
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