Electronic receive filter 2400 baud modem

摘要

mail reception filter for 2400 baud modem, essentially characterized constituted by the functional association of seven active operational amplifier stages, the first of which is a cell with zero and receives the signal from modem according to a second cell with zero communicating a step of lowpass previously disposed at a stage lowpass zero whose signal strikes an equalizing cell is followed by a step of highpass with zero being formed last step by step cell band having its output connected to associated modem.