A correction has been made in the solution to Homework 12 in Problem 4. The systems in Parts (c), (d), and (e) are time-invariant.

Students should make note that for a system defined by a convolution, for example y(t) = f(t)*g(t), the delayed output y(t-t0) is not equal to f(t-t0)*g(t-t0). By the time-shift property of convolution, y(t-t0) = f(t-t0)*g(t) = f(t)*g(t-t0).

The corrected solution is up now on the Homework Assignments and Solutions page.

The TA review session for Exam 3 will be held tomorrow, Tuesday, April 21 from 7pm-9pm CST on Zoom. The meeting password can be found in the Announcements section on Compass.

HKN will be holding a review session for Exam 3 tomorrow, Monday, April 20 from 3pm-5pm CST on Zoom.

The third exam will be given on Thursday, April 23, 8.45-10pm. It will follow the same procedure as Exam 2, with Zoom proctoring, Compass access to the pdf and submission via Gradescope. Remember to have your ID with you and to log into Zoom early in order to be ready on time.

NOTE: the meeting ID and password will change from the previous exam. We will update them this weekend, so look for it next week.

The topics covered in the exam are exactly the ones in the course calendar up until section 10.5, which are covered in homeworks 1-12.

Calculators are not allowed during the exam. You will be provided with the Fourier series, Fourier transform, convolution, and impulse tables (6.1, 6.3, 7.1, 7.2, 9.1, and 9.3 from the textbook, or 1-6 from the online handout). They will be in the exam pdf. You can use your notes/slides/textbook like last time, but relying on your notes/textbook will just make you waste your time looking for answers that you won't find there.

You can find copies of old exams on the course website.

There will be a review via Zoom on Tuesday, Tuesday, April 21, 7-9 p.m. The link will be posted on the website this weeekend.

The AL2/E lectures will now be via Zoom. You can find instructions here

Here are some guidelines on how we will proceed after Spring break, while the emergency COVID-19 campus-wide response is ongoing:

• Homework assignments will continue as currently done, no changes there.
• In-person lectures will be replaced with online lectures. The recordings for sections AL1 and AL4 will continue as before, and now also sections AL2 and AL3 will be recorded. More concrete instructions will follow next week.
• In-person office hours will be replaced with online office hours via Zoom during the regularly scheduled times. The same goes for the small study sessions. Piazza will be a good way to ask questions too. More details will follow next week.
• No labs will take place with your physical presence until the end of the semester. The plan is for course staff to generate the data that you would normally generate yourself during the lab, so you can use it to analyze it and complete the lab reports (and submit via Gradescope). More details will follow next week.
• In-person exam will be replaced with online exam. More details will follow next week, but as of now, plan to take it at the scheduled time, so if you’d have a conflict with that time, please follow the instructions in the email sent last week regarding conflict exam requests.

If you have any questions, please post in Piazza, do not email individual instructors.

Lectures and small study sessions tomorrow will take place as usual.

The first exam will be given on Thursday, February 20, 8:45-10 p.m. Please get there early to receive instructions and get ready.

Students with last names starting with:
Aa - Ez will go to room ECEB 1013
Fa - Kf will go to room ECEB 1015
Kg - Zz will go to room ECEB 1002

The exam will cover up to the end of section 3.4.2 and homeworks 1-4.

The exam will be closed book and closed notes (no formula sheets, no cheat sheets, etc.). Calculators will not be allowed during the exam.

Those of you who have a conflict with this time and were allowed to take the conflict exam should have already received an email with the time/location.

You can find copies of old exams in the course website.

There will be two review sessions: a review session with HKN on Saturday, February 15th from 1PM-3PM in ECEB 1015, and also a review session with a TA on Tuesday, February 18, 7-9 p.m., 3013 ECEB.

The lab portion of ECE 210 starts on February 24.

The lab syllabus is now available on the course website, and you can get information here. Please read the syllabus it carefully, specially to know when your first lab takes place, when are the labs and prelabs due, and the attendance/late arrival policy.

Sections ABB, ABJ, and ABK have now been merged into sections ABA, ABI, and ABL, respectively. As such, the first lab dates for sections ABB, ABJ, and ABK have changed. To make things clear, here are the dates for the first lab of each section:

ABA: Monday, Feb. 24
ABB: Monday, Feb. 24
ABC: Monday, Feb. 24
ABD: Monday, Mar. 2
ABE: Monday, Feb. 24
ABF: Monday, Mar. 2
ABG: Monday, Feb. 24
ABH: Monday, Mar. 2
ABI: Monday, Feb. 24
ABJ: Monday, Feb. 24
ABK: Wednesday, Feb. 26
ABL: Wednesday, Feb. 26
ABM: Thursday, Feb. 27

Interested students can now find information on the Honors section of ECE 210 here.

Note: the deadline to sign up is Saturday, February 1st.

To get started with the course, you can start reading carefully this website. You can find information about lecture, office hours, homework, exams, grading, labs, etc. Please check this section for further announcements regularly.

Best wishes for the semester.

Useful tables (Fourier series, Fourier transform, convolution, delta function, and Laplace transform)

• An instructive applet on Convolution
• Output Termination
• Historical paper on Thevenin eqv.
• Historical paper on Norton eqv.
• Getting the angle of a complex number analytically, using matlab and python.

• Shiyi Yang (HW)
• Binghui Wang (Labs)
• John Harvill (Small study sessions)
• Yulun Wu (COMPASS grades)
• Michael Collins (Website)

Open office hours

Office hours on Monday, Tuesday and Wednesday are open hours where all types of questions are allowed, and we have found that students mostly use them to ask about the upcoming homework. Notice that we will not give you the answers nor check if your answer is correct.

Small study session office hours

We also have additional office hours each week of support for you by having small study sessions with course staff members to answer conceptual questions, provide additional examples, etc. but nothing related to that week's HW.

These sessions will be available on Thursdays and Fridays by signing up via this online form using your Google Apps @ Illinois account.

The signup is voluntary but we do expect your attendance and participation regularly if you do sign up for a slot. More than one missed attendance will deduct one point from your final grade and prevent you from signing up for the remainder of the semester.

You can remove yourself from the timeslot at any time before 7pm on Wednesday of the corresponding week. You can also signup for a timeslot (if there are spots available) at any time before 7pm on Wednesday of the corresponding week. Once you sign up for a slot, it will be assumed that you will attend that slot from then on, so please remember to unregister if you will no longer attend.

Here are some options to return your lab components:

Option 1: Return kit in person Fall 2020 - This is the preferred option in most cases for off campus students. Follow-up instructions will be sent prior to semester start.

Option 2: Drop off - Facilities will place a cart for students that are still local to drop off kits at the receiving dock door off Wright street M-F 9AM - 2PM. Place a piece of paper with your full name and NetID inside the kit and place your kit on the labeled wooden cart on the dock.

Option 3: Return ship to ECE - This option is for graduating seniors or others not returning to campus in Fall for whatever reason. Follow up instructions will be sent with shipping account information.

Option 4: Not applicable - Kit already returned / lost / other. Please provide any additional info in the form so we can follow up if needed.

It is important that all students respond indicating one of these four options for each class taken. If no communication is received via the on-line form the electronics shop will need to bill for replacement costs per our usual procedures.

Link to Form

Five bi-weekly laboratory assignments will be given, beginning on February 24. More information about the labs can be found on the following link: Lab Syllabus and Assignments

• Exam 1:
  • Thursday, February 20, 8:45-10 p.m.
  • Review: Tuesday, February 18, 7-9 p.m., 3013 ECEB.
  • Exam, solutions
• Exam 2:
  • Thursday, March 26, 8:45-10 p.m.
  • Review: Tuesday, March 24, 7-9 p.m. Zoom
  • Exam, solutions
• Exam 3:
  • Thursday, April 23, 8:45-10 p.m.
  • HKN Review: Monday, April 20, 3-5 p.m. Zoom
  • TA Review: Tuesday, April 21, 7-9 p.m. Zoom (See Announcements section on Compass for meeting password.)
  • Exam, solutions
• Final Exam:
  • Regular exam: Monday, May 11, 1:30-4:30 p.m.
  • Conflict exam: Monday, May 11, 7-10 p.m.
  • TA Review: Wednesday, May 6, 7-9 p.m. Zoom (Password is that same as for office hours.)

• some type of A if
• m+s < grade
• some type of B or better if
• m < grade < m+s
• some type of C or better if
• m-s < grade < m
• some type of D or better if
• m-2s < grade < m-s
• F
• grade < m-2s

1. Written assignments will be made available weekly on the link "Homework Assignments and Solutions".
    
2. HWs are due on Wednesdays at 6 p.m. and submissions will be made via Gradescope using the template porvided for each HW. You will receive an email from Gradescope by the end of the first week of classes so you can create an account to upload your HWs.
   You can find instructions on how to scan/upload your HW here.
    
3. Late homework will receive no credit.
    
4. In order to account for sickness or travel, the lowest homework mark will be dropped for 211 students and the lowest two homework marks will be dropped for 210 students.
    
5. When you submit your homework, be sure that your name, UIN and NetID are printed clearly in capital letters, in the spaces provided in the HW template. This will ensure that your score is recorded correctly. Homeworks with missing or illegible name, UIN or netID will be deducted 50% of the allocated score.
    
6. Make sure that your HW is neat enough to read. Graders has the flexibility to deduct up to 20% for lack of neatness.
    
7. Homework assignments in ECE 210 constitute an essential component of your learning experience in the course and prepare you for your mid-term 'hour exams’ and the end-of-semester ‘final exam’ in most effective ways — investing time to do your homework with care will pay off when you are taking your exams.
   You will be expected to provide detailed explanations of your solutions in order to obtain full credit in your homework assignments. Conversely, solutions lacking full explanations will receive zero credit even when the answer provided may be correct and furthermore incorrect answers without any work shown may lead to 'academic integrity violation' cases being opened against you. Some of the homework problems you will be assigned will resemble problems from previous semesters but with modified parameters and/or inputs. Your comprehensive homework solutions will naturally be expected to match the versions of the problems assigned during the current semester, whereas solutions or answers matching the versions from previous semesters will once again lead to 'academic integrity violation' cases being brought against you.
   You are encouraged to collaborate to understand the problems in the homework sets, but each student should solve the problems individually for submission even if they work together initially to understand how to solve the problems. Copying a joint solution is not acceptable.
   Please keep these cautionary remarks in mind as you are working out your homework assignments and avoid submitting unsubstantiated solutions to avoid any misinterpretations as explained above.
    
8. Regrades: You will receive an email from Gradescope so you can log in and see your graded HW. If after looking at the posted solutions, you feel there was an inaccuracy in the grading of your HW, you can request a regrade within Gradescope itself. Make sure you submit regrade requests before 6pm on the Wednesday after your graded HWs are made available via Gradescope.

ECE 210 Honors will introduce students to Python programming with 7 weekly lab sessions. Programming will be done in Jupyter Notebook. In this course, students will apply concepts they learned in ECE 210 into Python programs. Students will attend an hour of lecture, followed by an hour of individual coding session, where they will complete their weekly programming assignments. Two identical sections will be offered every week. Students only need to attend one of the sessions. Topics to be covered include: Intro to Python and Jupyter Notebook, Libraries (Numpy, Scipy), Fourier series, Array Operations, Fourier transform, Convolution, and Pole-Zero plots. Prior programming experience in any language can be helpful but is not required.

Interested students must fill in this form by Saturday, February 1st.

If you have any questions, please reach out to dohunj2@illinois.edu.