Welcome to ECE 329 Section F!

MWF Asynchronously

Instructor: Yang (Victoria) Shao

Email: yangshao@illinois.edu

Office hour: Tu. 11:00am-12:00pm Zoom 

Meeting ID: 876 6232 9668 Password: 714257

Section F lecture videos are on Mediaspace following MWF schedule. If you sign up for section F, you are required to watch the videos and answer a few questions through Webtools before MWF 11:59pm. Your actions will be recored on Mediaspace and Webtools, and used as your class participation (1% of your final grade).

Date Notes Agenda Recordings
Apr. 26

Empty notes

General reflection coefficient and Smith Chart

Smith Chart examples

 

 

 

 

 

 

Today's notes

note 1

note 2

 

 

 

 

Lecuture handout

L36 Handout 

 

ECE329 L36 part 1 

  • 00:00 – 15:30     Smith chart introduction
  • 15:30 – 21:57     Example – From load to input Z
  • 21:57 – end       Example – From Z to Y

 

 

 

 

 

 

ECE329 L36 part 2 

  • 00:00 – 15:52     Example 1: From load to Input impedance and admittance
  • 15:52 – 19:26     Example 2: Average power
  • 19:26 – end       Example 3: From input to load

 

 

 

Participation

Watch recordings, then submit your answers to https://forms.illinois.edu/sec/213094084 (due 04/26 11:59pm)

 https://mediaspace.illinois.edu/media/t/1_nxfr3ec5

 https://mediaspace.illinois.edu/media/t/1_dooexl8n
Apr. 23

Empty notes

Half- and Quarter-wave transformer

General reflection coefficient and Smith Chart

 

 

 

 

 

 

Today's notes

note 1

note 2

 

 

 

 

Lecuture handout

L35 Handout 

 

ECE329 L35 part 1 

  • 00:00 – 10:30     Half-wave transformer
  • 10:30 – 20:40     Quarter-wave transformer
  • 20:40 – end       Example and homework hint

 

 

 

 

 

 

ECE329 L34 part 2 

  • 00:00 – 16:42     Generalized reflection coefficient and input impedance definition
  • 16:42 – end       Relation between Gamma(d) and z(d)

 

 

 

Participation

Watch recordings, then submit your answers to https://forms.illinois.edu/sec/529948450 (due 04/23 11:59pm)

 https://mediaspace.illinois.edu/media/t/1_2g22cpim

 https://mediaspace.illinois.edu/media/t/1_0wu2u2xg
Apr. 19

Empty notes

Periodic Oscillations

Input Impedance

 

 

 

 

 

 

Today's notes

note 1

note 2

 

 

 

 

Lecuture handout

L34 Handout 

 

ECE329 L34 part 1 

  • 00:00 – 05:32     Review open-open stub
  • 05:32 – 13:42     Short-short stub
  • 13:42 – end       Short-open stub

 

 

 

 

 

 

ECE329 L34 part 2 

  • 00:00 – 19:52     Input impedance for a short stub
  • 19:52 – 24:41     Input impedance for a open stub
  • 24:41 – end       Example

 

 

 

ECE329 L34 part 3 

  • 00:00 – end       Homework hint on HW#13, problem 2

Participation

Watch recordings, then submit your answers to https://forms.illinois.edu/sec/1336095487 (due 04/19 11:59pm)

 https://mediaspace.illinois.edu/media/t/1_p8qz0ip9

 https://mediaspace.illinois.edu/media/t/1_l7orgvx4

 https://mediaspace.illinois.edu/media/t/1_3idl8rf3
Apr. 16

Empty notes

Multi-line circuits

Periodic Oscillations

 

 

 

 

 

 

Today's notes

note 1

note 2

 

 

 

 

Lecuture handout

L33 Handout 

 

ECE329 L33 part 1 

  • 00:00 – 09:54     Multi-line circuits example
  • 09:54 – end       Homework hint

 

 

 

 

 

 

ECE329 L33 part 2 

  • 00:00 – 09:41     Demonstration of Oscillation on TL
  • 09:41 – 25:00     Current on open-open stub
  • 25:00 – end       Current standing wave pattern

 

 

 

Participation

Watch recordings, then submit your answers to https://forms.illinois.edu/sec/113332957 (due 04/16 11:59pm)

 https://mediaspace.illinois.edu/media/t/1_t7uqntwb

 https://mediaspace.illinois.edu/media/t/1_opk4op8i
Apr. 14

Empty notes

Multi-line circuits

 

 

 

 

 

 

Today's notes

note

 

 

 

 

Lecuture handout

L32 Handout 

 

ECE329 L32 part 1 

  • 00:00 – 01:19     Mid-term 3 announcement
  • 01:19 – 08:29     Steady state in TL circuit
  • 08:29 – end       Multi-line circuits

 

 

 

 

 

 

ECE329 L32 part 2 

  • 00:00 – 07:37     Multi-line circuits coefficients
  • 07:37 – 10:05     Example – matched multi-line TL
  • 10:05 – end       Example – V and I on TL

 

 

 

Participation

Watch recordings, then submit your answers to https://forms.illinois.edu/sec/609193764 (due 04/14 11:59pm)

 https://mediaspace.illinois.edu/media/t/1_ne02ersq

 https://mediaspace.illinois.edu/media/t/1_f4ruwanh
Apr. 12

Empty notes

TL circuit and bounce diagram

 

 

Bounce diagram examples

 

 

 

 

 

 

Today's notes

note 1

note 2

LTspice model

Homework 12 LTspice model

 

 

 

 

Lecuture handout

L31 Handout 

 

ECE329 L31 part 1 

  • 00:00 – 10:08     Bounce diagram summary
  • 10:08 – 14:59     Voltage V(l/2,t) (at mid point)
  • 14:59 – end       V(z,t) and I(z,t) on TL

 

 

 

 

 

 

ECE329 L31 part 2 

  • 00:00 – 14:00     Bounce diagram example with matched generator resister
  • 14:00 – end       Bounce diagram example for non matched case

 

 

ECE329 L31 part 3 

  • 00:00 – 05:49     Bounce diagram voltage plot
  • 05:49 – 06:27     Steady state voltage
  • 06:27 – 08:36     Bounce diagram current plot
  • 08:36 – end       LTspice model for homework

 

 

Participation

Watch recordings, then submit your answers to https://forms.illinois.edu/sec/1670615932 (due 04/12 11:59pm)

 https://mediaspace.illinois.edu/media/t/1_lzga2b89

 https://mediaspace.illinois.edu/media/t/1_p32i0ncp

 https://mediaspace.illinois.edu/media/t/1_9rvnxxzq