ECE 331 Home

Lecture Notes

Homework Assignments and Solutions

Laboratory Assignments and Schedule

Exam Schedule

Text References

 
Fall 2011 Lecture Notes

The class lecture notes are available as Adobe PDF files. You will need Adobe Acrobat Reader installed on your machine. Please note:  The PDF files on this web site are protected by a password.  This is available only to students in this course. If you are in the course and need the password, please e-mail the instructor.

Date	Lecture No.	Lecture Topics	PDF Document
Mon., Aug. 22	1	Introduction to electronics (No reading required)	Lecture 1
Wed., Aug. 24	2	Semiconductor materials, carrier concentration and doping. (Read S&S Sections 3.1-3.2)	Lecture 2
Fri., Aug. 26	3	pn junctions, diffusion and drift currents, Ohm's law in semiconductors and depletion region. (Read S&S Section 3.3-3.4)	Lecture 3 (Rev. Aug. 31)
Mon., Aug. 29	4	Majority-carrier diffusion and minority-carrier drift leading to bound charge and depletion region, effect of built-in/barrier voltage, diode i-v characteristics, regions of operation, ideal diode model and constant voltage-drop model. (Read S&S Sections 3.5 and 4.1)	Lecture 4 (Rev. Aug. 31)
Wed., Aug. 31 (Make-up class)	5	Examples of single-diode and multiple-diode circuits using (i) ideal diode model and (ii) constant voltage-drop model, and load-line analysis. (Read S&S Sections 4.2-4.3)	Lecture 5
Wed., Aug. 31 (Regular class)	6	Half-wave, full-wave, and bridge rectifiers. Reverse breakdown and Zener diodes. (Read S&S Sections 4.4-4.5)	Lecture 6 (Rev. Sep. 2)
Fri., Sep. 2	7	Limiting circuits, clamped capacitor and voltage doubler. Brief intro to Schottky diodes, photodiodes and LEDs. MOS capacitor. (Read S&S Sections 4.6-4.7)	Lecture 7
Mon., Sep. 5		No Class -- Labor Day
Wed., Sep. 7 (Make-up class)	8	MOSFET structure, bias, regions of operation, I-V curves and large-signal behavior. (Read S&S Section 5.1)	Lecture 8
Wed., Sep. 7 (Regular class)	9	MOS saturation and pinch-off point (Read S&S Section 5.2)	Lecture 9
Fri., Sep. 9	10	Channel-length modulation. Enhancement-mode and depletion-mode FETs. Brief introduction to CMOS and relationship of pMOS to nMOS FETs. (Read S&S Section 5.9)	Lecture 10
Mon., Sep. 12		No Class -- Make-up classes
Wed., Sep. 14		No Class -- Make-up classes
Fri., Sep. 16		No Class -- Make-up classes
Mon., Sep. 19	11	Body effect and MOSFET circuits at DC. (Read S&S Section 5.3)	Lecture 11
Wed., Sep. 21 (Make-up class)	12	More MOSFET circuits at DC and a simple MOSFET circuit as a voltage amplifier. (Read S&S Section 5.4)	Lecture 12
Wed., Sep. 21 (Regular class)	13	Transconductance and voltage gain of common-source amplifier, introduction to small-signal analysis. (Read S&S Section 5.5)	Lecture 13
Fri., Sep. 23		No Class -- Make-up classes
Mon., Sep. 26	14	Small-signal analysis and voltage gain of common-source amplifier.	Lecture 14
Wed., Sep. 28	15	Review for Midterm Exam 1 Midterm Exam 1, 5:00-7:00 pm	Lectures 2-14 in a single file
Fri., Sep. 30	16	Three expressions for small-signal transconductance and small-signal equivalent circuits for hybrid-pi and T models.	Lecture 16
Mon., Oct. 3	17	Small-signal body effect, coupling capacitors and examples of calculation of small-signal parameters and voltage gain. (Read S&S Section 5.9)	Lecture 17
Wed., Oct. 5 (Make-up class)	18	Generalized amplifier characteristics: input resistance, output resistance, voltage gain and equivalent circuits. Application to analysis of common-source amplifiers with and without source degeneration. (Read S&S Section 5.6)	Lecture 18
Wed., Oct. 5 (Regular class)	19	Unilateral and nonunilateral amplifiers. Common-source amplifier with resistive source degeneration. Common-gate amplifier or current follower. (Read S&S Section 5.8)	Lecture 19
Fri., Oct. 7	20	Voltage buffers. Common-drain amplifier / source follower: Small-signal analysis, gain and output resistance.	Lecture 20
Mon., Oct. 10	21	Reviewed Midterm Exam #1, Problem 2. Worked S&S Problems 5.87 and 5.91.	No Lecture Notes
Wed., Oct. 12	22	Basic gain cell of CMOS amplifiers. Increasing gain of basic gain cell. MOS cascode amplifier. Worked S&S Problem 5.93. (Read S&S Sections 7.2 and 7.3)	Lecture 22 (Rev. Oct. 23)
Fri., Oct. 14		No Class -- Make-up classes
Mon., Oct. 17	23	Intrinsic voltage gain of MOS cascode amplifier, related to intrinsic gain of CS and CG stages. Current-source load. Cascode current-source load. Worked S&S Problem 7.21.	Lecture 23 (Rev. Oct. 23)
Wed., Oct. 19 (Make-up class)	24	Worked S&S Problems 7.7 and 7.10.	No Lecture Notes
Wed., Oct. 19 (Regular class)	25	Biasing amplifiers / active loads. MOSFET current sources / current mirrors. Practical IC biasing. MOSFET current steering. (Read S&S Section 7.4)	Lecture 25 (Rev. Oct. 21)
Fri., Oct. 21	26	Review of amplifier transfer function, frequency response and dB scale. MOSFET amplifier frequency response and high-frequency MOSET model. (Read S&S Section 9.2)	Lecture 26
Mon., Oct. 24	27	MOSFET dynamic capacitances. Lateral diffusion and effective gate length and width. Overlap and gate-to-channel 'building block' capacitances. Terminal capacitances including gate-to-source and gate-to-drain capacitances. Magnitude response of single-pole low-pass filter and Bode plot.	Lecture 27 (Rev. Oct. 28)
Wed., Oct. 26	28	Bulk-to-source and bulk-to-drain junction capacitances. Miller's Theorem and Miller effect on gate-to-drain (feedback) capacitance. Application to high-frequency response of CS amplifier. (Read S&S Sections 9.3-9.5, except for 9.3.2 and 9.5.5)	Lecture 28 (Rev. Oct. 28)
Fri., Oct. 28	29	Miller's Theorem and the Miller approximation. Examples of high-frequency response of CS amplifier. (Emphasis on S&S Sections 9.3.1 and 9.5.2)	Lecture 29
Mon., Oct. 31	30	Worked Problems 9.33 and 9.58	No Lecture Notes
Wed., Nov. 2		No Class -- Make-up classes
Fri., Nov. 4		No Class -- Professional Learning Institute
Mon., Nov. 7	31	Magnitude response of single-pole high-pass filter and Bode plot. Effects of coupling and bypass capacitances on low-frequency response of CS amplifier. Multiple-pole high-pass filter.	Lecture 31
Wed., Nov. 9	32	Review for Midterm Exam 2 Midterm Exam 2, 5:00-7:00 pm	Lecture 32
Fri., Nov. 11	33	High-frequency response of common-gate amplifiers. (Read S&S Section 9.6)	Lecture 33
Mon., Nov. 14	34	Method of open-circuit time constants to estimate high-frequency performance. Comparison with Miller's theorem for CS amplifier. (Emphasis on S&S Sections 9.4.3 and 9.5.3)	Lecture 34
Wed., Nov. 16	35	High-frequency response of cascode amplifiers. Gain-bandwidth product.	Lecture 35
Fri., Nov. 18	36	Digital CMOS and static characterization of logic gates. Use of CS stage as NMOS inverter. Voltage-transfer curve. Static characterization: Approximate voltage-transfer curve. Noise margin of an NMOS inverter. (Read S&S Section 13.1)	Lecture 36
Mon., Nov. 21		No Class -- Fall Break
Wed., Nov. 23		No Class -- Fall Break
Fri., Nov. 25		No Class -- Fall Break
Mon., Nov. 28	37	Dynamic characterization: Two voltage-controlled switch model. Dynamic power dissipation. Response time and propagation delay of NMOS inverters.	Lecture 37
Wed., Nov. 30	38	Introduction to bipolar-junction transistors (BJTs). Structure, regions of operation and flow of electrons from emitter to collector.	Lecture 38
Fri., Dec. 2	39	Introduction to BJTs: Current-voltage relationships in forward-active region and examples.	Lecture 39
Mon., Dec. 5	40	Reviewed material on BJTs. Worked Problem 6.13 and Exercise 6.14.	No Lecture Notes
Wed., Dec. 7		No Class -- Make-up classes
Fri., Dec. 9	41	Review for Final Exam	All Lectures