ECE 453 - Fall 2026
Schedule
Lecture
Day
Date
Topic
Section
Notes
Lab
1
M
8/24/26
Fourier analysis
1.4-1.5
Fourier Theory
0. Introduction soldering tutorial
2
W
8/26/26
Modulation theorem
1.6
3
F
8/28/26
DSB modulation and demodulation
1.6
4
M
8/31/26
Nonlinear modulation
1.7
NO LAB
5
W
9/2/26
Quadrature modulation/demodulation
1.8
6
F
9/4/26
Regenerative receivers
2.1.3
Single Sdb Modulation
M
9/7/26
LABOR DAY - NO CLASS
NO LAB
7
W
9/9/26
Zoom Lecture: FM modulation
2.3
Bessel Functions
8
F
9/11/26
Superheterodyne receivers (TA)
2.3.3
FM demodulation
9
M
9/14/26
Broadcasting (TA)
2.3.4
Radio Broadcasting
1. Discrete component modeling ( C1, C2, L1, L2, L3, R1, R2)
10
W
9/16/26
Up- and down-conversion
2.3.5
11
F
9/18/26
Software defined radio
2.5
12
M
9/21/26
Resonance
4.1-4.2
2. Amplitude Modulation and Frequency Mixing ( LTDZ SA App Notes)
13
W
9/23/26
Quality factor Q
4.3-4.5
14
F
9/25/26
Oscillator analysis
5.1-5.4
Oscillators
15
M
9/28/26
Colpitts, crystal, voltage-controlled oscillators
5.5
2. Amplitude Modulation and Frequency Mixing (cont.)
16
W
9/30/26
Oscillator phase noise
5.6
17
F
10/2/26
Network power transfer
6.1
M
10/5/26
EXAM 1
3. Amplitude Modulation - FM Transmitter
18
W
10/7/26
Lossless matching networks
6.1
19
F
10/9/26
Impedance matching with lossless L-networks
6.2
Transmission Lines
20
M
10/12/26
Three-element matching networks
6.3
Smith Chart
4. FM Demodulator Design - Eagle PCB (ECE453.lbr)
21
W
10/14/26
Pi and T matching networks
6.4
22
F
10/16/26
Y, Z, H parameters, ABCD parameters
7.1-7.4
Network parameters
23
M
10/19/26
S parameters
8.1, 8.2
S Parameters
5. Crystal Colpitts Oscillator (102C2X, 102C31, FS1024)
24
W
10/21/26
Application of S parameters
8.3
Amplifiers
25
F
10/23/26
Stability analysis
8.3.2, 8.3.3
Power Definitions
26
M
10/26/26
Unconditional stability
8.3.4
Stability
5. Crystal Colpitts Oscillator (cont.)
27
W
10/28/26
Simultaneous conjugate match
8.3.5
28
F
10/30/26
LTI networks
29
M
11/2/26
Properties of LTI networks
6. Voltage-Controlled Oscillator (varcap)
30
W
11/4/26
1-Port noise characterization
10.1
F
11/6/26
EXAM 2
31
M
11/9/26
2-port noise characterization
10.1
7. Filters and Matching Networks (filter.s2p, Inductance App Note)
32
W
11/11/26
Noise factor and noise figure
10.2
Noise
33
F
11/13/26
Mixers
11.1-11.3
Mixers
34
M
11/16/26
Conversion loss in mixers
12.1
8. Broadband Amplifier
35
W
11/18/26
Two-tone input
12.2-12.3
36
F
11/20/26
Modeling nonlinearities
12.4
Nonlinearities
M
11/23/26
THANKSGIVING - NO CLASS
NO LAB
W
11/25/26
THANKSGIVING - NO CLASS
F
11/27/26
THANKSGIVING - NO CLASS
37
M
11/30/26
Phase-locked loops
13.1, 13.2
Phase-locked loops
9. FM Receiver
38
W
12/2/26
Transient response of PLLs
13.3
39
F
12/4/26
FM demodulation
13.4
40
M
12/7/26
Frequency synthesis with PLLs
13.5
NO LAB
W
12/9/26
Applications of PLL
M
12/14/26
FINAL EXAM - 8:00 AM - 11:00 AM
© 2026 ECE 453 - Wireless Communication Systems
Electrical and Computer Engineering | University of Illinois