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ECE331F - Analog Electronics - Fall 2020


This course is focussed on analog electronics with an emphasis on transistor level design of integrated circuits. Topics to be covered include transistor amplifiers (differential and multistage amplifiers), integrated circuit biasing techniques, output stage design and IC amplifier building blocks, frequency response of amplifiers, stability and compensation techniques for amplifiers using negative feedback.

This page can also be accessed directly at

Course Objectives

The objective of this course is to teach design and analysis techniques for electronic circuits with multiple transistors.


- Aug 16, 2020 This web page goes live!

- Quertus will be used for Grades, Discussion Board and Announcements.

- This Web page will be used for Lecture info, Lab info, Problem Set info and Term Test info.

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David A. Johns    Email:     Office: BA5144 (inside of BA5145)

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"Microelectronic Circuits" (seventh edition) by A.S. Sedra and K.C. Smith, Oxford University Press, 2015

We will be covering chapters 8-12.

- For the chapter on Feedback, we will be covering the material "Feedback circuit analysis using return ratio" in

"Analysis and Design of Analog Integrated Circuits" (fifth edition) by P. Gray, P. Hurst, S. Lewis and R. Meyer, Wiley & Sons, 2009 ISBN: 978-0-470-24599-6

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Mon 3-4pm   on request
Wed   3-4pm   Q&A live Online (recorded)
Fri   3-4pm   on request

First Day of Classes is Sept 10, 2020

Last Day of Classes is Dec 9, 2020

Lec # Topic Textbook Section Lecture Notes Video Date
Introduction 01_intro.pdf Sept 11
Circuit Review 02_circuit_review.pdf
Transistor Review 03_trans_review.pdf
Transistor Review (trans review notes)
Gain Cell 8.3 04_gain_cell.pdf Gain Cell Sept 21
Cascode Amp 8.5 (mosfet) 05_cascode_amp.pdf Cascode Amplifier
Multi-Stage Amps notes 06_multi_stage_amps.pdf MultiStage Amps
Current Mirrors 8.2, 8.6 (mosfet), 13.2.7 07_current_mirrors.pdf Current Mirrors Sept 28
Differential Amplifiers 9.1, 9.3.1, 9.4.1, 9.5, 9.6.1 08_diff_amps.pdf Diff Amps (1 of 2)
Differential Amplifiers (diff amps notes) Diff Amps (2 of 2)
Freq Response Review 09_freq_review.pdf Freq Review Oct 5
Single-Time Constant Circuits 10_single_time_constant.pdf Single Time Constant
Low Freq Response 10.1 11_low_freq.pdf Low Freq Response
Mos Capacitor Model 10.2 12_mos_cap_model.pdf Mosfet Cap modelling
and transistor ft
Oct 19
Miller's Theorem 10.3.3 13_miller_theorem.pdf Miller Theorem
Open/Short Circuit
Time-Constant Estimation
13b_openShort_timeConstant.pdf Open/Short Circuit
Time Constant Estimation
High-Frequency Response 10.4, 10.5.2, 10.6.1 14_high_freq.pdf High-Frequency Response Oct 26
Intro to Feedback 11.1, 11.2 15_intro_feedback.pdf Intro to Feedback
Four Types of Feedback 16_four_type_feedback.pdf Four types feedback method
Loop-gain analysis
Asymptotic Gain Formula
(Gray/Hurst textbook) 17_asymptotic_gain.pdf Asymptotic Gain Formula Nov 2
Loop-gain analysis
Port Impedance
(Gray/Hurst textbook) 18_port_impedance.pdf Port Impedance
Loop-gain analysis
(Gray/Hurst textbook) 19_feedback_examples.pdf Feedback Examples
Stability of
Feedback Circuits
11.7 - 11.10 20_stability.pdf Stability of Feedback Circuits Nov 18
Stability Compensation 21_stabilityCompensation.pdf Stability Compensation
Loop Gain Simulation 22_LG_simulation.pdf Simulation of Loop Gain Nov 23
Bipolar Transistors 23_bipolar_transistors.pdf Bipolar Transistors
Power Amps
Class A/Class B
12.1 - 12.5 24_power_classA_classB.pdf Power Amps
Class A/Class B
Power Amps
Class AB
25_power_classAB.pdf Power Amps
Class AB
Nov 30
Power Amps
26_power_cmos_AB.pdf Power Amps

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TUT01   Mon   1-2pm   Online Starts Sept 21

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The laboratory information is available here.

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Your final grade will be determined by:

Final Exam     40%     Thu Dec 17 from 6:30pm to 9:30pm (upload must be done by 9:30pm)
Term Test 1     22.5%     Fri Oct 16 from 3pm to 4:30pm (upload must be done by 4:30pm)
Term Test 2     22.5%     Mon Nov 16 from 3pm to 4:30pm (upload must be done by 4:30pm)
Laboratory     15%    

Open book test and exam

The equation sheet for tests is here: equation_sheet.pdf

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David Johns

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Problem Sets

Problem Set 01 - Solutions

Problem Set 02 - Solutions

Problem Set 03 - Solutions

Problem Set 04 - Solutions

2015 Term Test 01 - Solutions

Problem Set 05 - Solutions

Problem Set 06 - Solutions

Problem Set 07 - Solutions

Problem Set 08 - Solutions

Problem Set 09 - Solutions

2015 Term Test 02 - Solutions

2015 Final - Solutions

Problem Set 10 - Solutions

Problem Set 11 - Solutions

Problem Set 12 - Solutions

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