C. Y. LinY. C. HuangTZONG-LIN WU2019-10-242019-10-24201800189375https://scholars.lib.ntu.edu.tw/handle/123456789/427819https://www.scopus.com/inward/record.uri?eid=2-s2.0-85041523073&doi=10.1109%2fTEMC.2018.2793667&partnerID=40&md5=3367fcf8a9af526fd58e932f6efcdfe2A codesign of an electrostatic discharge (ESD) protection device and a common-mode suppression circuit on printed circuit board (PCB) for high-speed input/output interfaces is introduced in this paper. The characteristic and the circuit model of the ESD protection device are investigated and applied into the design of the common-mode suppression circuit. The proposed one-stage design of two-layered PCB structure performs -10-dB common-mode noise suppression from 2.22 to 2.76 GHz; the proposed two-stage design with additional common-mode suppression unit performs wideband suppression from 2.25 GHz to over 8 GHz, covering IEEE 802.11ac WiFi band with -20-dB suppression level. The mode conversion for both designs is lower than -30 dB. The signal integrity and the ESD protection function of proposed design are investigated by eye diagram measurement and system-level ESD simulation. The proposed PCB design provides a low-cost solution for the integration on the high-speed input/output interface of next generation. © 1964-2012 IEEE.Common-mode suppression circuit; electrostatic discharge (ESD); high-speed input/output interfaceElectrostatic devices; Electrostatic discharge; Electrostatics; Eye protection; Timing circuits; Common mode noise; Common-mode suppressions; Electrostatic discharge protection; Electrostatic discharge protection device (ESD); ESD protection devices; Input/output interface; Printed circuit boards (PCB); Suppression level; Printed circuit boardsjournal article10.1109/temc.2018.27936672-s2.0-85041523073