LAN magnetic interface circuit

Details LAN magnetic interface circuit LAN magnetic interface circuit

2006-10-17

2006-10-17

Mai, Anh (Department: 2832)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S012000, C333S185000

Reexamination Certificate

active

07123117

ABSTRACT:
A magnetic interface circuit for a LAN, such as an Ethernet network, includes a transformer having a first winding connected to the line side of the LAN and a second winding connected to the circuit side of the LAN. Each of the first and second windings has two output ports and one of the windings has a center tap port A 3-wire common mode choke having a center winding and two outer windings, the center winding of a 3-wire common mode choke is connected to the center tap of the one winding and the outer windings of the 3-wire common mode choke are respectively connected to the output ports of the one winding.

REFERENCES:
patent: 5077543 (1991-12-01), Carlile
patent: 5313358 (1994-05-01), Severinsky
patent: 5659273 (1997-08-01), Harpham
patent: 5825259 (1998-10-01), Harpham
patent: 6946924 (2005-09-01), Chominski

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