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A silicon abrupt junction in thermal equilibrium at T= 300k is doped such that Ec-Ef = 0.21eV in the n region and Ef - Ev = 0.18eV in the p region. Determine the impurity doping concentrations in ea
A differential amplifier has an input gain of 3, a total pull down current of 1 mAmp, and a p-channel transistor equivalent resistance of 2K ohms. Determine the size of n-channel transistors.
Use the Timeout class to provide a two second delay. During the delay, display the number of interrupts that are occurring on Pin 5 using LED1-LED4. LED1 is the low-order bit. Use only the BusOut cl
A 10 H inductor is connected in series with a 1.0k(ohm) resistor and a switch which closes at t=0s, Determine the voltage across the inductor and the current through the inductor for t>0 if the i
Write a matlab function to generate Gray coding matrix. The function has one input M where M=2^m and m is the number of bits per symbol. For example, if the function my_graycoding(4), the output sho
infinite plane sheets of uniform charge densities 1μc/m2 and -1μc/m2 occupy the planes z=0 and z=d respectively. the region 0<z<d is a dielectric of permittivity 4ε0 find the val
A point charge Q1 lies at the center of a spherical conducting shell of inner radius a and outer raduis b. find the charge density on the two surfaces of the conduting shell if it has a net chargeQ2
the electric field in free space outside a conducting sphere of raduis a and centered at the origin resulting from an applied field is given by E=E0(1+2a^3/r^3)cosθir -E0(1-a^3/r^3)sinθi
The transfer function of a second order system is given: T(s) = 1.05x10^7/(s^2 + (1.6x10^3)s + 1.05x10^7) a Find the values of f, fn, Ts, Tp, Tr, and % Overshoot.
The poles, zeros and gain K of the transfer function G(s) are given below. Determine the function G(s) in its simplest form for each part. 1. Two complex poles at -1 +2j and -1-2j, and zero at -1 wit
a) Determine the closed-loop transfer function, T(s) = Output/Input = Y(s)/R(s) b)Find the time response, y(t) for a step input of r(t) = A for t>0 c)Using the final-value theorem, determine the st
Given a coaxial cable with solid inner conductor of radius a, an outer conductor that goes from radius b to c (so c>b>a), a charge +Q that is assumed evenly distributed throughout a meter leng
The x-y plane separates dielectric material with εr1=2.0 (for z<0) from dielectric material with εr2=4.0 (for z<0). In medium 1 we have electric flux density D1=1.0ax+8.0ay+4.0
An infinitesimally thin metallic cylindrical shell of radius 4.00 cm is centered on the z-axis, and has an evenly distributed charge of 100 nC per meter length of shell. (a) Determine the value of t
The car lead-acid battery has generally 12 V output voltage, and its internal resistance is so small that can be neglected. When starting the engine, the current of 462 A is flowing from the battery
A DC motor is driving a load given by TL = 2 + 0.02ωL Nm , where ωL is the speed in rad/sec. The armature resistance of the motor, Ra = 2Ω . The machine constants, kE=kT =0.4 (in S
The battery has 2.5 V output voltage and 12 Ohm internal resistance. The battery is used to boot a small electric motor with 145 Ohm resistance. Find the power delivered to the motor.
if an automobile battery delivers 120 A when the car is being started, and the starting process takes 6 seconds, how many electrons flow out of the battery
Design a circuit with a 4-bit BCD input A,B,C,D that produces an output W,X,Y,Z that is equal to the input +6 in binary. You can use AND, OR, and INVERTER. Draw the gate level circuit
Assume that a given transformer is 100% efficient; that is, the power being supplied by the primary side is transported without loss to the secondary side. (Transformers are not 100% efficient. One
An N-type silicon substrate with the doping density of 1x10 15 cm-3 Arsenic is to be converted into p-type by Boron diffusion, so that the resistivity at T=75C is 5 O-cm. All atoms are fully ionized
What is the average yearly per capita energy consumption in the world in kWh if the global power is 15 TW. There are 8760 hours in a year and 6.5 billion people. Express the result as number only wi
How many kg of coal with energy content of 24 MJ/kg would be equivalent to energy used by a 100-W light bulb burning constantly for the whole year. Coal to electricity conversion efficiency is 30%.
x[n]=cos(n*7pi/16)+cos(n*9*pi/16) a)Find the FS coefficients of x[n]. b)Obtain the DTFT of x[n] using the coefficients. c) Use Matlab, compute 25 seconds of the discrete-time signal x[n] using a
Use contraction beginning with a 4-bit adder with carry out to design a 4-bit increment-by-2 circuit with carry out that adds the binary value of 0010 to its 4-bit input. The function to be implemen