A PN diode conducting 1 mA of current has an ohmic contact of area 0.08 μm² and surface density of 1 × 1020 cm³. (a) What specific contact resistance can be allowed if the voltage drop at the ohmic contact is to be limited to 50 mV? (b) Using Eq. (4.21.7), estimate the Bn that is allowed. Is that the maximum or minimum allowable Bn? (c) Repeat (b), but this time use Fig. 4-46 to estimate Bn. (Fig. 4-46 is based on a more detailed model than Eq. 4.21.7) V R₁ = // = 2 · e^ HOBN (4.21.7) qvthx H Nd HOBn√N ос е (4.21.8)

A PN diode conducting 1 mA of current has an ohmic contact of area 0.08 μm² and surface density of 1 × 1020 cm³. (a) What specific contact resistance can be allowed if the voltage drop at the ohmic contact is to be limited to 50 mV? (b) Using Eq. (4.21.7), estimate the Bn that is allowed. Is that the maximum or minimum allowable Bn? (c) Repeat (b), but this time use Fig. 4-46 to estimate Bn. (Fig. 4-46 is based on a more detailed model than Eq. 4.21.7) V R₁ = // = 2 · e^ HOBN (4.21.7) qvthx H Nd HOBn√N ос е (4.21.8)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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