Flexible PCB Impedance Control: Achieving Predictable High-Speed Performance in Bending Circuits
As electronic devices shrink and signal speeds climb, flexible printed circuit boards are no longer simple cable replacements or basic interconnects. They now carry high-speed differential pairs, RF feeds, and precision analog signals through hinges, camera modules, medical probes, automotive radar links, and aerospace platforms. In these environments, uncontrolled impedance creates reflections, timing errors, electromagnetic…