An apparatus, comprising: a substrate, wherein said substrate is an elongate tubular member of a medical device; and a twisted pair of conductors located on said substrate, said twisted pair comprising: a first layer comprising conductive material having a plurality of segments separated by a plurality of gaps; a second layer comprising nonconductive material positioned in said gaps and electrically insulating a portion of said segments positioned within said gaps; and a third layer comprising conductive material positioned over said second layer, said third layer electrically connecting an end of one segment to an end of another segment; wherein said conductors (54, 58) are electrically isolated and comprise a twisted configuration, wherein the twisted pair of conductors is formed through a process forming the first layer, the second layer and the third layer, wherein each subsequent layer is formed over at least a portion of the preceding layer, such that the twisted pair of conductors has a multilayered construction of conductive layers (54, 58) and nonconductive layers stacked upon each other, further comprising a coil, said coil comprising: a coil layer comprising a length of spirally-wound conductive material, wherein said coil layer comprises one continuous electric circuit having a first end and a second end, said first and second ends (94, 96) electrically connected to said twisted pair of conductors. a substrate, wherein said substrate is an elongate tubular member of a medical device; and a twisted pair of conductors located on said substrate, said twisted pair comprising: a first layer comprising conductive material having a plurality of segments separated by a plurality of gaps; a second layer comprising nonconductive material positioned in said gaps and electrically insulating a portion of said segments positioned within said gaps; and a third layer comprising conductive material positioned over said second layer, said third layer electrically connecting an end of one segment to an end of another segment; a first layer comprising conductive material having a plurality of segments separated by a plurality of gaps; a second layer comprising nonconductive material positioned in said gaps and electrically insulating a portion of said segments positioned within said gaps; and a third layer comprising conductive material positioned over said second layer, said third layer electrically connecting an end of one segment to an end of another segment; wherein said conductors (54, 58) are electrically isolated and comprise a twisted configuration, wherein the twisted pair of conductors is formed through a process forming the first layer, the second layer and the third layer, wherein each subsequent layer is formed over at least a portion of the preceding layer, such that the twisted pair of conductors has a multilayered construction of conductive layers (54, 58) and nonconductive layers stacked upon each other, further comprising a coil, said coil comprising: a coil layer comprising a length of spirally-wound conductive material, wherein said coil layer comprises one continuous electric circuit having a first end and a second end, said first and second ends (94, 96) electrically connected to said twisted pair of conductors. a coil layer comprising a length of spirally-wound conductive material, wherein said coil layer comprises one continuous electric circuit having a first end and a second end, said first and second ends (94, 96) electrically connected to said twisted pair of conductors.