EBK A GUIDE TO SQL
EBK A GUIDE TO SQL
9th Edition
ISBN: 8220103671682
Author: Last
Publisher: CENGAGE L
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Chapter 7, Problem 8RQ
To determine

To describe two-phase locking mechanism.

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8.7 An ideal germanium pn junction diode has the following parameters: Na = 4 × 10¹5 cm³, Na = 2 × 10¹7 cm³, D₂ = 48 cm²/s, D₁ = 90 cm²/s, Tpo = T = 2 × 10-6 s, and A = 104 cm². Determine the diode current for (a) a forward-bias voltage of 0.25 V and (b) a reverse-biased voltage of 0.25 V.
7.20 (a) The peak electric field in a reverse-biased silicon pn junction is |E|= 3 × 105 V/cm. The doping concentrations are N = 4 × 10¹5 cm³ and N. = 4 × 107 cm³. Find the magnitude of the reverse-biased voltage. (b) Repeat part (a) for N₁ = 4 × 10 16 cm³ and N₁ = 4 × 10¹7 cm³. (c) Repeat part (a) for Nd = N₁ = 4 × 10¹7 cm³.
7.16 An abrupt silicon pn junction at 7-300 K has impurity doping concentrations of N₁ = 5 x 10 cm³ and N = 10 cm³. Calculate (a) Vbi, (b) W at (i) VR = 0 and (ii) VR = 5 V, and (c) [Emax | at (i) VR = 0 and (ii) VR = 5.
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