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ECE331F - Analog Electronics - Fall 2022


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 1, 2022 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 5-6pm   GB244
Wed   5-6pm   GB244
Thu   5-6pm   GB244

First Day of Classes is Sept 8, 2022

Last Day of Classes is Dec 7, 2022

Fall Study week, Nov 7-11, 2022

Lec # Topic Textbook Section Handwritten
Lecture Notes
Video Date
Introduction 01_intro.pdf Sept 8
Circuit Review 02_circuit_review.pdf circuitReview.pdf
Transistor Review 03_trans_review.pdf largeSignalMod.pdf fabrication.mp4
Transistor Review (trans review notes) smallSignalMod.pdf Sept 19
Gain Cell 8.3 04_gain_cell.pdf Gain Cell
Cascode Amp 8.5 (mosfet) 05_cascode_amp.pdf Cascode Amplifier Sept 26
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 Oct 3
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 17
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 24
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
Intro to Feedback 11.1, 11.2 15_intro_feedback.pdf Intro to Feedback Oct 31
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 14
Loop-gain analysis
Port Impedance
(Gray/Hurst textbook) 18_port_impedance.pdf Port Impedance Nov 21
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 28
Stability Compensation 21_stabilityCompensation.pdf Stability Compensation
Loop Gain Simulation 22_LG_simulation.pdf Simulation of Loop Gain
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
Power Amps
26_power_cmos_AB.pdf Power Amps

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TUT01   Mon   12-1pm   ES B149   Starts Sept 19  

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The laboratory information is available here.

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Your final grade will be determined by:

Final Exam     40%    
Term Test 1     22.5%     Oct 17 from 12-1 in ES B149
Term Test 2     22.5%     Nov 21 from 12-1 in ES B149
Laboratory     15%    

The equation sheet for tests is here: equation_sheet.pdf

This equation sheet will be included at the end of the tests and final exam.

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David Johns

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Problem Sets

Problem Set 01a - Problem Set 01a Solution
Problem Set 01b - Problem Set 01b Solution

Problem Set 02 - Problem Set 02 Solution

Problem Set 03 - Problem Set 03 Solution

Problem Set 04 - Problem Set 04 Solution

Problem Set 05 - Problem Set 05 Solution

Problem Set 06 - Problem Set 06 Solution

Problem Set 07 - Problem Set 07 Solution

Problem Set 08 - Problem Set 08 Solution

Problem Set 09 - Problem Set 09 Solution

Problem Set 10 - Problem Set 10 Solution

2022 Term Tests

Term Test 01 - Term Test 01 Solution

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