Low pass filter for asynchronous digital subscriber line application, has three basic cells, where two cells have inductors in series with resistors and in parallel with capacitors, while third cell has inductors in series with resistors

摘要

The filter has basic cells (60A, 60B, 60C) in series, where the cell (60A) is connected to low frequency signal processing modules and the cell (60C) is connected to a two wire line. The cells (60A, 60B) have inductors (L1A, L1B) in series with resistors (R1A, R1B) and in parallel with capacitors (C2A, C2B). The cell (60C) has inductors (L1C) in series with resistors (R1C) for two branches that are connected by a capacitor (C1C).