EXERCISES 3.10 Show that if N, > Np. D. - Aqni LN Is

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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EXERCISES
3.10 Show that if N, > Np.
Is Aqn
N
3.11 For the pn junction in Example 3.6, find the value of I, and that of the current / at V 0.605 V (same
voltage found in Example 3.6 at a current /-0.1 mA) if N, is reduced by a factor of 2.
Ans. 1.46 x 10" A; 0.2 mA
3.12 For the pn junetion considered in Examples 3.5 and 3.6, find the width of the depletion region W cor-
responding to the forward-bias voltage found in Example 3.6. (Hint: Use the fomula in Eq. (3.31)
with replaced with -Vg.)
Ans. 0.166 um
3.13 For the pn junction considered in Examples 3.5 and 3.6, find the width of the depletion region W and
the charge stored in the depletion region Q, when a 2-V reverse bias is applied. Also find the value
of the reverse current I.
Ans. 0.608 um; 9.63 pC: 7.3 x 1015 A
Transcribed Image Text:EXERCISES 3.10 Show that if N, > Np. Is Aqn N 3.11 For the pn junction in Example 3.6, find the value of I, and that of the current / at V 0.605 V (same voltage found in Example 3.6 at a current /-0.1 mA) if N, is reduced by a factor of 2. Ans. 1.46 x 10" A; 0.2 mA 3.12 For the pn junetion considered in Examples 3.5 and 3.6, find the width of the depletion region W cor- responding to the forward-bias voltage found in Example 3.6. (Hint: Use the fomula in Eq. (3.31) with replaced with -Vg.) Ans. 0.166 um 3.13 For the pn junction considered in Examples 3.5 and 3.6, find the width of the depletion region W and the charge stored in the depletion region Q, when a 2-V reverse bias is applied. Also find the value of the reverse current I. Ans. 0.608 um; 9.63 pC: 7.3 x 1015 A
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