Catalog 2017-2018 
    Feb 27, 2021  
Catalog 2017-2018 [ARCHIVED CATALOG]

ELEC 223 Communication Electronics

5 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