1. State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macau, China
2. Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China
3. State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, and Department of Electrical and Computer Engineering, Faculty of Science and Technology (FST-ECE), University of Macau, Macau, China