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Click on the Reload/Refresh button of your browser to make sure that this page is updated. HW #8 Solutions Revised (12/10/2025)The original solution to Graded Prob. 4 in the HW #8 solutions had incorrect values for the NMOS output resistance and the maximum sink current. The values should be rDS = 1.2 kΩ and isink,max = 1.7 mA, respectively. A revised version of the solutions has been posted to the Moodle site. HW #8 Solutions (12/10/2025)The solutions to the graded and ungraded problems in HW #8 are now available at the course Moodle site. HW #9 Solutions (12/9/2025)The solutions to all of the problems in HW #9, which is an ungraded set of practice problems, are now available at the course Moodle site. Review Session for Final Exam (12/9/2025)To help you prepare for the final exam, an optional review session will be offered at 2:00 pm on Wednesday, December 10 in Breakiron 165 (our usual classroom and the exam room). The room has been confirmed. As with the previous review sessions, I will answer questions and work through example problems by request. I strongly suggest that you come prepared with questions to ask. If you cannot attend the review session and would like to meet with me at another time, please contact me or visit during one of the upcoming help sessions. Help Sessions for Dec. 9–12 (12/8/2025)I plan to be available at least at the following times for the rest of this week:
I will also be available immediately after the final exam ends either in the exam room or in my office. HW #8 Deadline Extended (12/8/2025)The submission deadline for HW #8 has been extended to 11:59 pm on Tuesday, December 9. Ungraded HW #9 (BJT Problems) (12/7/2025)HW #9, which consists of BJT analysis problems for practice, is now available. It will not be graded and therefore does not have a deadline. The solutions will be available soon at the course Moodle site. You will be expected to be familiar with the concepts highlighted in HW #9 when you take the final exam. Old ECEG 350 Final Exam (12/7/2025)A copy of the ECEG 350 final exam with solutions from Fall 2020 is now available at the course Moodle site in the section labeled "Exams From Past Offerings of ECEG 350." Note that the topic coverage on that final exam could differ from that of this year's final exam. If you encounter a problem that seems to involve skills or knowledge that we have not covered this semester or that we covered earlier, that is the likely reason. Help Sessions for Dec. 7–9 (12/7/2025)I plan to be available at least at the following times today (Sunday) through Tuesday:
I should also be available right after ECEG 470/670 at 9:50 am in Dana 307. Additional help sessions will be scheduled for Wednesday after the time for the review session has been set. Partial Grade Records (12/6/2025)My records of your exam, homework, and lab scores as of December 6 are now available at the course Moodle site. I strongly encourage you to examine them closely and to verify that they have been recorded correctly. The scores for Lab #5, the final exam, and professional conduct will be added after they have been determined. Lab score breakdowns are available upon request. If you think that there is an error in your recorded scores or if you cannot view them, please contact me. Selected Answers to HW #8 (12/6/2025)Answers to selected graded problems in HW #8 are now available on the Homework Assignments page. HW #8 Revised (12/6/2025)The aspect ratio (Wn/Ln) of the NMOS device was not given in the original problem statement for Part b of Graded Prob. 4 in the HW #8 assignment. It should have a value of 1.5. A revised version of the HW #8 assignment has been posted. Reading Assignment for Dec. 8–12 (12/6/2025)
In Section 6.3, focus on the examples that involve npn-type BJTs. Review Session Timing (12/5/2025)The following time periods are available for a review session on the three days before the exam:
Please discuss with each other what times would work for you. Also, please let me know whether you have another exam scheduled during one of the times listed above if you plan to attend the review session. We will set the review session time in class on Monday, Dec. 8. Review Sheet for Final Exam (12/5/2025)The review sheet for the final exam is now available on the Exams page at the course web site. It includes important administrative information and a rough breakdown of the topic coverage on the exam. Reading Assignments for Dec. 1–5 - UPDATE (12/3/2025)Two short supplemental readings have been added to this week's reading assignments. They are available at the course Moodle site. The revised reading assignments are below.
Section 6.0 is the introduction to Chapter 6. In Section 6.1, focus on the three regions of operation of the bipolar junction transistor (BJT). In all of Chapter 6, focus on the material on npn devices; skim the material on pnp devices. The Wednesday and Friday lectures and next Monday's (Dec. 8) lecture will comprise a brief introduction to BJTs. These devices should be covered in much more detail next semester in ECEG 351. Help Sessions for Dec. 1–7 (12/2/2025)I plan to be available at least at the following times this week:
I am usually also available at the end of my MWF lectures at 9:50 am in Dana 307 and at 4:50 pm in BRKI 165. Guidelines and additional information:
Information on MOSFET Body Effect (12/2/2025)If the substrate (body) of a MOSFET is not connected to the source terminal, then the pn-junction surrounding the source region can become reverse biased, which in turn causes the threshold voltage Vt to change slightly. A good explanation of this phenomenon, known as the body effect, can be found in Subsection 5.4.3 of the textbook. It's a short read. An explanation of the impact of the body effect on the hybrid-pi model used in the small-signal analysis of MOSFET-based amplifiers can be found at the end of Subsection 7.2.1. HW #7 Solutions (12/2/2025)The solutions to the graded and ungraded problems in HW #7 are now available at the course Moodle site. Lab #5 Assignment (12/2/2025)The assignment for Lab #5 is now available on the Laboratory page. HW #8 (12/1/2025)The assignment for HW #8 is now available. It is due via Moodle at 11:59 pm on Monday, December 8. Process Technology Tables (12/1/2025)A PDF copy of the MOSFET and BJT process technology tables from the 8th edition of Sedra & Smith (our textbook) is now available at the course Moodle site in the "Additional Resources" section. The MOSFET table is referenced several times in the latest homework problems. |