This assignment details the design of an FM radio repeater system, beginning with functional specifications and design choices for different FM radio frequency channels. It covers the overall system explanation, including transmitter and receiver blocks, and the role of the FCC in frequency allocation. The project includes detailed design and analysis of key components such as band-pass filters, RF power amplifiers, input and output matching networks using Smith charts, and antenna matching using quarter wavelength transformers. The assignment emphasizes practical considerations, including power budget calculations, free space path loss analysis, and PCB layout considerations. The design incorporates RDS buffer conditions, RDS synchronization checks, and considerations for parasitic capacitance and inductance. The solution provides a complete circuit design with explanations of each component's function within the system, including preselectors, RF amplifiers, mixers, intermediate frequency amplifiers, limiters, and matching transformers. The project aims to provide a comprehensive understanding of FM radio repeater system design and implementation.
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