1. Semiconductor Manufacturing Process Development Department, Sichuan Institute of Solid-state Circuits, Chongqing, China
2. Science and Technology on Analog Integrated Circuit Laboratory, Chongqing, China
3. Glasgow College, University of Electronic Science and Technology of China, Chengdu, China
4. State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing University, Chongqing, China