LOW-PASS FILTERING DEVICE FOR COUPLING XDSL CHANNELS

LOW-PASS FILTERING DEVICE FOR COUPLING XDSL CHANNELS

The invention concerns a low-pass filtering device (600) used on a telephone line (L) consisting of a first transmission line (601) and a second transmission line (602), capable of circulating simultaneously, between a telephone exchange (202) and a subscriber (A) equipped with at least a telephone...

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Hauptverfasser: BERTHAUD, ERIC, DEDIEU, HERVE
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
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creator BERTHAUD, ERIC
DEDIEU, HERVE
description The invention concerns a low-pass filtering device (600) used on a telephone line (L) consisting of a first transmission line (601) and a second transmission line (602), capable of circulating simultaneously, between a telephone exchange (202) and a subscriber (A) equipped with at least a telephone (209), first signals corresponding to analog and/or digital narrow band services, and second signals corresponding to broadband services, the low-pass filter (600) comprising an active ASIC-type element (605; 606), arranged in series on each transmission line (601; 602) and preceded, on the line side (L), by an inductance type passive element (603; 604), likewise arranged in series on each transmission line (601; 602) of the line (L) and a capacitance (610) arranged between the two transmission lines (601; 602) of the line.
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language eng ; fre ; ger
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
title LOW-PASS FILTERING DEVICE FOR COUPLING XDSL CHANNELS
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