Apr 17, 2024  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

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ELT 474 - Communications Systems

Credits: 3
Lecture Hours: 3
Lab Hours: 0
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
The analysis of communications systems, including transmission and reception of AM and FM radio, television, satellite and microwave, including antenna and transmission line theory.
Prerequisite: ELT 387 , ELT 388  
Corequisite: ELT 475  
Competencies
  1. Analyze elements of communications systems
    1. Explain communications signals in time and frequency domain
    2. Explain type and effects of noise in signals
    3. Outline the radio frequency spectrum
  2. Analyze common radio frequency circuits
    1. Analyze high frequency effects
    2. Assess RF amplifiers
    3. Assess oscillator Circuits
    4. Assess RF mixer Circuits
    5. Assess intermediate frequency (IF) circuits
    6. Assess phase locked loops
  3. Examine Amplitude Modulation Circuits
    1. Describe full carrier amplitude modulation
    2. Analyze suppressed carrier amplitude modulation (single sideband) systems
  4. Distinguish angle modulation circuits
    1. Describe frequency modulation
    2. Describe phase modulation
    3. Analyze measurements in FM systems
  5. Examine digital transmission systems
    1. Describe Wi-Fi data communications
    2. Describe digital modulation
  6. Examine Transmitter Systems
    1. Describe full carrier amplitude modulation transmitters
    2. Describe FM transmitter systems
  7. Examine Transmission Lines
    1. Describe electromagnetic waves
    2. Assess step and pulse responses of transmission lines
    3. Estimate transmission line losses
    4. Perform impedance matching calculations for transmissions lines
    5. Interpret Smith Chart impedances
  8. Examine antennas used in radio systems
    1. Outline antenna types
    2. Examine antenna array systems
    3. Discriminate antenna gain of various antennas
  9. Outline various radio communication systems
    1. Explain radio broadcast transmitters
    2. Outline aviation communications equipment
    3. Analyze repeater systems
    4. Outline emergency and two-way communications systems
    5. Outline satellite communications systems
    6. Explain cable TV systems
    7. Explain fiber optic systems
    8. Examine Wi-Fi data communications
  10. Outline software defined RF equipment
    1. Examine software defined radio (SDR) equipment
    2. Examine software defined test and measurement equipment

Competencies Revised Date: 2019



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