Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
7th Edition
ISBN: 9780199339136
Author: Adel S. Sedra, Kenneth C. Smith
Publisher: Oxford University Press
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Chapter 3, Problem 3.18P
To determine
To show: The derivation of the depletion layer width and thecharge stored on either side of the junction for reverse bias
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An abrupt silicon pn junction at zero bias
has dopant concentrations of Nd = 1 X
1017 cm-3
cm³ and Na
and N₂ = 5 X 1016 cm¯³ at T =
300K. Determine the peak electric field
for this junction for a reverse voltage of 2
V.
Emax = 3.88 X 105 V/cm
Emax = 1.35 X 105 V/cm
Emax
1.70 X 105 V/cm
O Emax = 3.21 X 105 V/cm
=
A simple p*n junction is designed to work as IMPATT diode. The doping concentrations in the p* layer is 1019 cm-3 while the doping in the n-layer is 0.7 x1016
Calculate the peak electric field if the breakdown voltage is 80 V and the dielectric constant is 11.9. Express your answer in the unit of kV/cm.
cm-3
In the case of pn junction of the same material, the internal potential Vbi increases as more doping is performed in each of the p and n regions. Explain this by drawing an energy band diagram.
Chapter 3 Solutions
Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
Ch. 3.1 - Prob. 3.1ECh. 3.2 - Prob. 3.2ECh. 3.2 - Prob. 3.3ECh. 3.3 - Prob. 3.4ECh. 3.3 - Prob. 3.5ECh. 3.3 - Prob. 3.6ECh. 3.4 - Prob. 3.7ECh. 3.4 - Prob. 3.8ECh. 3.4 - Prob. 3.9ECh. 3.5 - Prob. 3.10E
Ch. 3.5 - Prob. 3.11ECh. 3.5 - Prob. 3.12ECh. 3.5 - Prob. 3.13ECh. 3.6 - Prob. 3.14ECh. 3.6 - Prob. 3.15ECh. 3.6 - Prob. 3.16ECh. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Prob. 3.4PCh. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10PCh. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - Prob. 3.25PCh. 3 - Prob. 3.26PCh. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29P
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