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Electrical Engineering - ELEN 410

Communication Theory

• Diagram the architecture of a communications system.
• Compute the practical limits of separation that can exist between receiver and transmitter based on LOS.
• Describe the frequency bands, general propagation conditions, and types of service assigned to the bands by FCC.
• Compute the information content in specified types of messages.
• Design an error checking and correcting code based on Hamming code principles for a specified application.
• Compute the Power Spectral Density for specified signals.
• Compute the spectrum of signals on carriers.
• Compare the common definitions for bandwidth of signals and noise, e. g. absolute bandwidth, 3-db bandwidth, equivalent bandwidth, null-to-null bandwidth, bounded spectrum bandwidth, power bandwidth, and FCC bandwidth.
• Use the sampling and dimensionality theorems to specify ADC parameters for a given application
• Design a PCM system given the specifications of the signal and channel.
• Calculate baud rate and bit rate for a digital system.
• Compare the binary signaling formats in baseband systems.
• Design a means of achieving bit synchronization for Manchester signaling.
• Design a system to minimize intersymbol interference.
• Design a transversal equalizing filter.
• Design a time division multiplexing communications system with specified inputs.
• Specify the complex envelope functions for different types of modulation used in bandpass communication systems.
• Compare the salient features of AM broadcasting, FM broadcasting, and SSB systems.
• Compare BPSK, QPSK, and MSK modulation techniques.
• Design the signaling for a digital bandpass system.
• Compare filter design technologies based on frequency band, required bandwidth, insertion loss, and cost factors.
• Compare amplifier design technologies based on frequency band, required bandwidth, and cost factors.
• Design a frequency multiplier.
• Design circuits using mixers in specified applications such as up converters, down converters, frequency multipliers, detectors, discriminators, etc.
• Design a phase-locked loop.
• Design a frequency synthesizer using a PLL loop.
• Design a superheterodyne frequency plan for a receiver.
• Calculate the noise from a thermal noise source.
• Calculate Signal to Noise ratio (SNR).
• Calculate the signal-to-noise ratio for a system with cascaded stages.
• Calculate link budgets used in satellite communications systems.
• Analyze the design of a color TV receiver.
• Calculate gain and beamwidth for a dish antenna.

Prepared by Dr. Therill Valentine