Find the voltage gain expression of the cascode amplifier in the figure above right. Hint: Be careful when calculating the effective transconductance as R, is very small and should be included in the calculation. VDD Vp4HEM4 V63HEM3 oVout V62HEM2 VinoH EM1 ERP

Find the voltage gain expression of the cascode amplifier in the figure above right. Hint: Be careful when calculating the effective transconductance as R, is very small and should be included in the calculation. VDD Vp4HEM4 V63HEM3 oVout V62HEM2 VinoH EM1 ERP

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.

Question

Find the voltage gain expression of the cascode amplifier in the figure above right.
Hint: Be careful when calculating the effective transconductance as R, is very small and should
be included in the calculation.
VDD
MA
Vb4
Vb3HEM3
oVout
Vb2 HEM2
Vino
M1
Rp

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