ECEG 470/670
Communication and Information Systems

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HW #6 Solutions (12/14/2025)

The solutions to the graded and ungraded problems in HW #6 are now available at the course Moodle site.

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:

• Tuesday 2:15–3:00 pm (BRKI 368)
• Wednesday 3:30–5:00 pm (BRKI 368)
• Wednesday 8:00–9:00 pm (Zoom)

I will also be available briefly around 11:00 am on Thursday in my office.

Selected Answers to HW #6 (12/8/2025)

The amplitude and phase of Point A in Graded Prob. 1 are r_A = 42 mV and θ_A = 135°. The amplitudes and phases of the other points will not be given.

Graded Probs. 2 and 3 both involve proofs; therefore, specific answers are not available.

Review Session for Final Exam (12/8/2025)

To help you prepare for the Final Exam, an optional review session will be offered at 2:00 pm on Tuesday, December 16 in Dana 117 (the exam location).

Please come prepared with questions to ask.

Please contact me if you cannot attend the review session but would like to meet with me before the exam.

HW #6 (12/7/2025)

The assignment for HW #6 is now available. It is very short and is due via the course Moodle site at 11:59 pm on Tuesday, December 9.

Reading Assignment for Dec. 8–12 (12/7/2025)

• M: Section 11.7
• W: [Reading Day]
• F: [Exam Week]

Help Sessions for Dec. 7–9 (12/7/2025)

I plan to be available at least at the following times today (Sunday) through Tuesday:

• Sunday 9:00–10:00 pm (Zoom)
• Monday 3:00–3:45 pm (BRKI 368)
• Monday 5:00–6:00 pm (BRKI 368)
• Monday 9:00–10:00 pm (Zoom)
• Tuesday 2:15–3:00 pm (BRKI 368)

Additional help sessions will be scheduled for Wednesday after the time for the ECEG 350 review session has been set.

Exam #3 Solutions (12/3/2025)

The solutions to Exam #3 are now available at the course Moodle site.

Help Sessions for Dec. 1–7 (12/2/2025)

I plan to be available at least at the following times this week:

• Wednesday 11:00–11:45 pm (Zoom)
• Thursday 4:30–5:30 pm (BRKI 368)
• Thursday 11:00–11:45 pm (Zoom)
• Friday 3:00–3:45 pm (BRKI 368)
• Sunday 9:00–10:00 pm (Zoom)

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:

• Please contact me if you have a conflict with these times and would like to arrange a meeting at a different time.
• The Zoom link is available at the course Moodle site.
• If I am helping another student when you drop by, you may usually join in the conversation.
• If I have been helping you for a relatively long time, I might pause our conversation to help other students who are waiting for assistance.
• For in-person sessions, if I have finished helping you, please move out to the hall or somewhere else so that the chairs in my office are clear for newly arriving students.
• As a courtesy during Zoom sessions, please use your camera.

Reading Assignments for Dec. 1–5 (12/1/2025)

• M: Section 6.3
• W: Read Section 6.3; skim Sections 6.5 and 6.6
• F: Section 11.7