ELCT 252 Electronic Communication Systems

• 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
• 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 regard 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
• Describe FCC rules and regulations as contained in Element I and Element III 
• Identify and review electronic concepts contained in the CET Associate level exam