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 3.9P
To determine
The concentration of donor.
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B/
The conductivity for n-side is 1500 s/m and for p-side is 400 s/m in pn
junction, while the conductivity of the pure silicon is 4 x 10-4 s/m. Find
the barrier potential at 300°K, if the Hn = 2.4µp?
Draw the characteristics of Ideal and practical diodes. A semiconductor has
electron and hole mobilities as Hn = 7500 cm³ /V. sec, Hp =
n = 3.6 x 1012 cm-3. Find
(i) The hole concentration when conductivity is minimum.
(ii) The minimum conductivity.
300 cm /V.sec and
A silicon diode has a forward voltage drop of 1.2V for a forward DC current of 100mA. It has a reverse current of 1μA for a reverse voltage of 10V. Calculate the:
a. Bulk resistance
b. Reverse resistance
c. AC resistance at forward DC current of 2.5mA
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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- Diodes D1, D2, D3 and D4 are identical Silicon diodes with forward voltage drop of 0.7volts. Consider vi to be the circuit's input voltage.A) Under what input conditions will diode D1 conduct? B) If D1 is conducting, express vo in terms of vi. C) Under what conditions will diode D4 conduct? D) If D4 is conducting, express vo in terms of vi. E) Under what input conditions will none of the diodes be conducting? F) If none of the diodes are conducting, what is vo? G) The input to the circuit has the waveform shown below. Plot the waveform of thevoltage vo. Show all the important quantities in your plot.arrow_forwardThe four semiconductor diodes used in a bridge rectifier circuit have forward resistance which can be considered constant at 0.10 and infinite reverse resistance. They supply a mean current of 10 A to a resistive load from a sinusoidally varying alternating supply of 20V r.m.s. Determine the resistance of the load and the efficiency of the circuit. * 10.6 ohms 9.6 ohms 8.6 ohms O None of the abovearrow_forwardSilicon diode has a saturation current of 0.01*10^-6 at room temperature of 300k. Find the saturation current at 400k. Hole mobility for silicon 0.048m3/v-s, electron mobility of silicon 0.135m3/v-s.arrow_forward
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