Patent ID: 7855613

Claim:
A communications transceiver, comprising: a first balun circuit including a first port and a second port, the first balun circuit including: a first conductor having a first length, formed in a first metal layer of a multi-layer structure, the multi-layer structure including a plurality of metal layers, the first conductor having a first end connected to the first port; a second conductor having a second length substantially similar to the first length, formed in a second metal layer of the multi-layer structure, the second conductor having a first end connected to the first conductor and a second end connected to the second port; and a third conductor having a third length substantially similar to the first length, formed in a third metal layer of the multi-layer structure, wherein the second metal layer is disposed between the first metal layer and the third metal layer; a transmitter coupled to the first and the second port; a second balun circuit including a third port and a fourth port; and a receiver coupled to the third port and the fourth port.