How Cable Assembly Asymmetry Creates Common Mode Noise: The 12% Length Mismatch We Found on Our Production Floor
It was a Tuesday afternoon in late November when one of our test benches lit up with a common-mode current reading that simply didn’t make sense. The assembly in question was a shielded twisted-pair harness destined for an industrial automation customer. The design files were clean. The pinout matched. The materials were from our standard, fully traceable reels. And […]