A balanced-to-unbalanced, balun, transformer, comprising: a first metal layer and a second metal layer on a substrate; a first winding path formed between a first end and a second end, the first winding path comprising: a plurality of first winding segments each disposed around a central axis of the balun transformer; and a plurality of first connectors, where each of the plurality of first connectors joins adjacent first winding segments such that the first winding path is continuous between the first end and the second end; a second winding path formed between a third end and a fourth end, the second winding path at least partly interwoven with, but independent from, the first winding path, the second winding path comprising: a plurality of second winding segments each disposed around the central axis; and a plurality of second connectors, where each of the plurality of second connectors joins adjacent second winding segments such that the second winding path is continuous between the third end and the fourth end, and where the first winding path and the second winding path form a resultant pattern that is substantially symmetrical relative to an axis intersecting the central axis; a first winding formed in one or more of the first metal layer and the second metal layer, the first winding following the first winding path, the first winding comprising the plurality of first winding segments and the plurality of first connectors; and a second winding formed in one or more of the first metal layer and the second metal layer, the second winding following the second winding path, the second winding comprising the plurality of second winding segments and the plurality of second connectors, and characterized in that the second winding has a number, n, of sub-windings, where n > 1 such that a resultant number of second winding segments of the second winding is greater than a resultant number of first winding segments of the first winding by a factor of n. a first metal layer and a second metal layer on a substrate; a first winding path formed between a first end and a second end, the first winding path comprising: a plurality of first winding segments each disposed around a central axis of the balun transformer; and a plurality of first connectors, where each of the plurality of first connectors joins adjacent first winding segments such that the first winding path is continuous between the first end and the second end; a plurality of first winding segments each disposed around a central axis of the balun transformer; and a plurality of first connectors, where each of the plurality of first connectors joins adjacent first winding segments such that the first winding path is continuous between the first end and the second end; a second winding path formed between a third end and a fourth end, the second winding path at least partly interwoven with, but independent from, the first winding path, the second winding path comprising: a plurality of second winding segments each disposed around the central axis; and a plurality of second connectors, where each of the plurality of second connectors joins adjacent second winding segments such that the second winding path is continuous between the third end and the fourth end, and where the first winding path and the second winding path form a resultant pattern that is substantially symmetrical relative to an axis intersecting the central axis; a plurality of second winding segments each disposed around the central axis; and a plurality of second connectors, where each of the plurality of second connectors joins adjacent second winding segments such that the second winding path is continuous between the third end and the fourth end, and where the first winding path and the second winding path form a resultant pattern that is substantially symmetrical relative to an axis intersecting the central axis; a first winding formed in one or more of the first metal layer and the second metal layer, the first winding following the first winding path, the first winding comprising the plurality of first winding segments and the plurality of first connectors; and a second winding formed in one or more of the first metal layer and the second metal layer, the second winding following the second winding path, the second winding comprising the plurality of second winding segments and the plurality of second connectors, and characterized in that the second winding has a number, n, of sub-windings, where n > 1 such that a resultant number of second winding segments of the second winding is greater than a resultant number of first winding segments of the first winding by a factor of n.