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Apr 19, 2024
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Catalog 2017-2018 [ARCHIVED CATALOG]
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ELEC 223 Communication Electronics5 credits
This course is an introduction to electronic communications covering topics on electrical noise, AM/FM modulation and demodulation techniques, transmission lines, electromagnetic wave propagation, antenna systems, and basic fiber optic techniques. The course combines lecture sessions with intensive hands-on lab experiments.
Prerequisites: ELEC 137
Corequisites: ELEC 221
Quarters Offered: Winter 2018, Fall 2018, SPring 2019
Global Outcomes:
This course teaches to the global outcome of Communication.
Student Outcomes/Competencies:
Upon successful completion of this course students will be able to:
- Identify noise sources inherent in communication systems
- List the identifying characteristics of common oscillator circuits
- Explain the concept of positive feedback utilized in oscillator circuits
- Construct, test and observe the operation of an RF oscillator circuit
- Construct, test and observe heterodyning, AM, FM and SSB generation in the lab
- Describe simple modulation systems using block diagrams
- Draw a block diagram of a superheterodyne receiver and correctly label all blocks
- Describe the differences between superheterodyne AM/FM receiver systems
- Construct, test and observe the operation of a superheterodyne receiver
- Compare AM with FM in regards to the method of transmitting frequency and amplitude of intelligence
- Draw current and voltage distribution on a half-wavelength dipole antenna
- Describe basic concepts of radio wave propagation
- Describe several basic antenna systems
- Compare Marconi and Hertz antennas by stating their differences
- Observe standing waves (voltage nodes) on a dipole antenna
- Calculate the resonant frequency of a dipole antenna
- Describe the differences between resonant and non-resonant transmission lines
- Describe basic fiber optic techniques used for data transmission
- Construct, test and observe the operation of a fiber optic transmission system
Total Hours: 70 Lecture Hours: 30 Lab or Clinical Hours: 40
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