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A pn junction may be formed by depositing a single crystal film of uniformly doped p-silicon onto a substrate that has been doped n-type. The substrate is 500um thick, and the film is 20um thick. The substrate has a 5 ohm-cm resistivity.
a) If the film is doped 1015boron/cm3, find Vbi, W, xp and xn at equilibrium.
b) Repeat a) but for 1017boron/cm3 . How have things changed?
c) Draw a circuit schematic showing a bias of +0.5V applied to each diode and recomputed W for both devices.
d) Repeat c), but for -10V bias. Discuss how things are changing.
e) Finally, under the -10V bias, put a 15mV ac voltage is series with the DC bias. Explain what will happen in the device in terms of W and the free charges.
Rated voltage is applied to the low voltage winding and the high voltage winding is open-circuited. Under this condition, the current into the low voltage winding is 2.4 A, and the power taken from the 2400 V source is 3456 W.
Using nodal analysis solve for the current and supemode used to solve this circuit is located between which two nodes?
Assuming the input resistance of the load cell is 420 and rated output is 3.0mV/V at the rated capacity. What should be the series resistance that should be added to the excitation side so that the output voltage I reduced to 2.0mV/V
Draw a labeled sketch of x(t) over a few periods: be careful, make sure you follow the exact definition of x(t)
A unipolar 16 bit ADC measures 0 - 10 volts full scale. What is the minimum resolvable voltage What is the percent quantization error What is the percent quantization error if a 1 volt max signal is input
Telephone channels and PCM analysis, The analog to digital converter (ADC) used in a telephone system outputs 8 bit words. The digital words are transmitted as a serial stream to form a PCM voice signal
Consider a 4 input, 1 output digital system (W,X,Y,Z, and f respectively) . Design a POS circuit with any number of inputs such that f(W,X,Y,Z) = M(0,2,4,9,13) + D(6,14).
Hard to find all the information, Just want to ask for people who can give some good webside which can provide all the informationat at lease price,maximum output power, voltage, and current per module; short circuit current; dimension; weight; ma..
Let the random variable X denote the annual snow fall amount at a well known Utah ski resort. X has a normal distribution with mean 500 inches and standard deviation 50 inches. (a) What is the probability that in a given year the snow fall will be ..
A 2000 hp, 1.0 power factor three phase Y connected 2300V, 30 Pole, 60Hz; synchronous motor has a synchronous reactance of 1.95 ohms/phase. For this problem all losses may be neglected.
Find the electric field intensity at (0,0,75000) produced by 50,000 0.1 C charges along the x-axis spaced at 1 meter apart starting at (1,0,0) and 50,000 0.2 C chargers along the y-axis spaced at 1 meter apart starting at (0,1,0).
plane polarized light is sent through two consecutive polarizers, the first having its plane of polarization in the same direction as the incident light and the second having its palne at 90 degrees to the original plane of polarization.
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