Optical receiver for digital cable television systems

摘要

"Digital optical receiver systems for cable television. The system of cable television (400) includes a transmitter (200) to generate a digital optical signal, and a receiver (201) for receiving such a digital optical signal and convert it into an analog signal.The receiver (201) includes a digital filter (300) positioned between a desserializador (225), and a digital / analogue converter (230), the digital filter conditions the electrical signal received from the digital desserializador (225).The digital filter (300) is used as a digital block elimination of noise in order to improve the quality of signals in the opposite route, returning to the main station terminal (105) of the system of cable television (400).