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Figure below indicates a junction with a heavily doped n-type region, a thin intrinsic layer, and a moderately doped p-type region. Assume the depletion approximation and assume that the width of the depletion region on the P-side is significantly greater than the thickness of the intrinsic layer. (a) Sketch the electric field vs. position assuming the depletion approximation. (b) Using the sketch in (a), develop an expression for the depletion layer width in the p- region. Your answer should be in terms of Vbi and Na. (c) Compare this structure to the same structure without the intrinsic layer. Explain what effect the intrinsic layer will have on the built-in potential, Vi. N,-N, N, =10" Intrinsic layer N=105

Figure below indicates a junction with a heavily doped n-type region, a thin intrinsic layer, and a moderately doped p-type region. Assume the depletion approximation and assume that the width of the depletion region on the P-side is significantly greater than the thickness of the intrinsic layer. (a) Sketch the electric field vs. position assuming the depletion approximation. (b) Using the sketch in (a), develop an expression for the depletion layer width in the p- region. Your answer should be in terms of Vbi and Na. (c) Compare this structure to the same structure without the intrinsic layer. Explain what effect the intrinsic layer will have on the built-in potential, Vi. N,-N, N, =10" Intrinsic layer N=105

Introductory Circuit Analysis (13th Edition)
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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Figure below indicates a junction with a heavily doped n-type region, a thin intrinsic layer, and a moderately doped p-type region. Assume the depletion approximation and assume that the width of the depletion region on the P-side is significantly greater than the thickness of the intrinsic layer. (a) Sketch the electric field vs. position assuming the depletion approximation. (b) Using the sketch in (a), develop an expression for the depletion layer width in the p- region. Your answer should be in terms of Vbi and Na. (c) Compare this structure to the same structure without the intrinsic layer. Explain what effect the intrinsic layer will have on the built-in potential, Vi. N,-N, N, =10" Intrinsic layer N=105
Transcribed Image Text:Figure below indicates a junction with a heavily doped n-type region, a thin intrinsic layer, and a moderately doped p-type region. Assume the depletion approximation and assume that the width of the depletion region on the P-side is significantly greater than the thickness of the intrinsic layer. (a) Sketch the electric field vs. position assuming the depletion approximation. (b) Using the sketch in (a), develop an expression for the depletion layer width in the p- region. Your answer should be in terms of Vbi and Na. (c) Compare this structure to the same structure without the intrinsic layer. Explain what effect the intrinsic layer will have on the built-in potential, Vi. N,-N, N, =10" Intrinsic layer N=105
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