Knowing that the MOSFET acts as a non linear device (NLD) in saturation mode based on the relation between Id and Vgs as shown next figure (ld is the drain output current and Vgs is the gate to source input voltage) in which K and Vth are constants. assuming the device will remain in saturation mode, and assume that the input voltage Vgs is the sum of DC component Va and small signal ac component Vb cos (wc t ) as shown in the figure. then answer the following: A) write Taylor series expansion of the output voltage Vout = ld . RL taking into account only the first three items of the series as an approximation. B) what will be the DC rectified (average) component of the output voltage according to the expansion found in A? C) what will be the frequency component of the remaining AC harmonics ? D) can we use the NLD for AM modulation? explain why? MOSFET Id Id = K [Vcs - Vih| Vcs NLD K and Vrh are constants related to the MOSFET type used Vout RI Vcs = Va + V1ɔ Cos (we t) +

Knowing that the MOSFET acts as a non linear device (NLD) in saturation mode based on the relation between Id and Vgs as shown next figure (ld is the drain output current and Vgs is the gate to source input voltage) in which K and Vth are constants. assuming the device will remain in saturation mode, and assume that the input voltage Vgs is the sum of DC component Va and small signal ac component Vb cos (wc t ) as shown in the figure. then answer the following: A) write Taylor series expansion of the output voltage Vout = ld . RL taking into account only the first three items of the series as an approximation. B) what will be the DC rectified (average) component of the output voltage according to the expansion found in A? C) what will be the frequency component of the remaining AC harmonics ? D) can we use the NLD for AM modulation? explain why? MOSFET Id Id = K [Vcs - Vih| Vcs NLD K and Vrh are constants related to the MOSFET type used Vout RI Vcs = Va + V1ɔ Cos (we t) +

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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