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Low doped silicon is used in partide detectors, in order to obtain a wide depletio region. Consider a pn junction with p-side doping Na = 5 X 1012 cm-3 and n side doping Nd = 1017 cm ".
(a) What is the thermal equilibrium depletion region width? co
(b) What is the reverse bi as needed to increase the depletion width to 50 um?
(c) if the maximum electric field allowable in the junction is Emax = 5 x l~ V/cm what is the maximum depletion width? What is the bias voltage corresponding to the maximum depletion width?
Perform the following addition or subtraction of the given numbers using 8-bit 2's complement representation of the numbers. Parts (a) and (b) are given in decimal, while parts (c)-(e) are given in 8-bit 2's complement.
A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W.
Suppose a car of mass m moving on a straight west-east highway at velocity v(t) (positive for motion from west to east) experiences aerodynamic drag force with magnitude v(t) opposing its motion.
The total admittance for the following circuit is Hint: YT = G + j[Bc - BL] Siemens; G = 1/R Siemens; Bc = wC Siemens and BL = 1/[wL] Siemens Data: Vin AC = 10 sin 1250t, R = 100, C = 4UF, L = 80 mH
A table of values of the normalized magnitude of the voltage phasor on the line as a function of position on the line, with the normalization done relative to the value of the voltage magnitude at the voltage maximum point on the line.
A silica fiber has an outer diameter of 125 micro meter. What is the total volume of silica for a 1-km length? This fiber is wound on a spool whose unloaded diameter is 20 em. The spool height is 10 em. Compute the diameter of the fully loaded spo..
Determine whether the follow signals are period and for those that are find the fundamental period. F: x(t) = cos(t)u(t) G: x(t) = v(t) + v(-t) where v(t) = cos(t)u(t) I: x[n] = cos((1/5)(pi)(n)) * sin((1/3)(pi)(n))
A 10 uH inductor is connected to a circuit such that prior to t = 0 the current through the inductor is 10 mA. After t = 0 the current through the inductor is iL(t) = 10e^(-1000t) mA where t is time in seconds. a) Determine the expression for indu..
Absorption loss of metal shielding, A plane metal shield offers an absorption loss of 30 dB at a frequency of 10 kHz to normally incident radiated emission.
Design a hand warmer with a heated element consisting of an encapsulated resistor to be held in your hand and powered by a 6V battery that you put in your coat pocket. Use 26 gauge wire to connect the resistor to the battery.
Consider an ideal op-amp in inverting amplifier configuration with feedback impedance Rf=7ohms and an input impedance consisting of a series RL: Ri=9ohms and Li=5H. Let h(t) be the impulse response of the overall amplifer.
Two charges are held fixed in an x-y plane. Charge Q=-1*10^-9 C is located at the origin, q=3*10^-9 C is located at (0,2). Determine the voltage (v_ba) between point 'b' located at (3,0) and point 'a' located at (1,0).
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