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A silicon abrupt junction in thermal equilibrium at T=300 K is doped such that Ec-Ef=0.21 eV in the n region and Ef-Ev=0.18eV in the p region.(a) draw the energy band diagram of the pn junction.(b) determine the impurity doping concentration in each region.(c) determine Vbi.
A circular polarized wave in air is incident on glass surface. The angle of incidence equals the Brewster angle. Refractive index of glass, n(glass) is 1.35. Find the following quantities 1) The Brewster angle. 2) The angle of refraction
Suppose we have a 4Kword memory RAM with each word containing 32 bits. How many address bits and how many output bits are needed. Draw the block diagram of a negative edge-triggered JK FF which is asynchronously set by a 1 and asynchronously reset b..
Calculate the following: A. What is the magnitude of the voltage in a wall socket if the effective voltage is 240 Vrms B. What is the magnitude of the current if the effective current is 360 mA rms
An analog signal, containing frequencies up to and including 400Hz, is to be sampled at the minimum possible frequency, with a frequency resolution of 0.1 Hz. You are to find the sampling frequency, record length, and number of samples.
A line charge of density (rho)l [C/m] is in the form of a semicircle of radius a lying on the x-y plane with its center located at the origin. The semicircle starts at (phi)= pie / 2 and ends at phi = 3(pie) / 2 in cylindrical coordinates.
A in which t is in seconds and the angle is in radians. a. Sketch i(t) to scale versus time for t ranging from 0 to 15ms. B. Determine the net charge that passes through the element between t = 0 and t = 10ms. C. repeat for the interval to t = 15m..
Calculate (i) the parallel capacitance C1 that would be required to change the power factor of the total load on the supply to 0.80 lagging and (ii) find the value of the supply current at this power factor
Find the largest allowable signal swing (peak-to-peak) at the collector to satisfy the two conditions: BJT remains active , and vbe limited to 5 mV . What is the corresponding allowable peak-to-peak input voltage vi
1. Given R = 50Kohm and C = 100nF what is the frequency of oscillation 2. Given a required frequency of oscillation of f = 10kHz and R = 8kohm, what should the value of C be Calculate the signal to noise ratio given RMS Noise Voltage = 20mV and RMS S..
A signal contains a mixture 30 , 100 and 240 Hz Sine waves and also contains wideband noise whose spectrum is from 500 Hz up to a 1000 Hz. Describe a filtering technique that can be used to cleanly separate 30, 100 and 240 Hz from each other and a..
A circular line charge of uniform line charge density q(C/m) is located in z=0 plane with its center at the origin. Determine, a. The electrostatic potential V at a point along the z-axis (0, 0, z) b. The electrostatic field E a point along the z-axi..
The signal x(t)=10cos(t)+10sin(10t) is input into the following systems: a) \(H(s)=100/(s^{2}+10s+100)\) b) \(H(s)=s^{2}/(s^{2}+10s+100)\) calculate the output for each system.
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