1. Center for Advanced Semiconductor and Integrated Micro-System, University of Electronic Science and Technology of China, Chengdu, China
2. School of Information Engineering, Zhengzhou University, Zhengzhou, China
3. School of Electronic Information and Electrical Engineering, Chengdu University, Chengdu, China
4. School of Microelectronics, Xidian University, Xi’an, China
5. Shenzhen Jingyang Electronics Company Ltd., Shenzhen, China