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Active-Based Capacitive Coupling Circuit for Narrowband PLC Systems

Gustavo Gonçalves, Luis Guilherme da Silva Costa, Ândrei Camponogara, Marlio Jose do do Couto Bonfim, Moises Vidal Ribeiro
coupling circuitactive filterpower line communication

Resumo

Aiming to introduce new directions to improve the performance of narrow-band power line communication (PLC) systems in low-voltage electric power grids, this study introduces an active-based capacitive PLC coupling circuit for duplex communication. Simulations show that transmission and reflection parameters achieved good results while the Op-Amp provide a desired signal gain in the pass-band.