| 摘要 |
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.
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