請參考paper( U4 _! d- J+ p
"Design Considerations of Recent Advanced Low-Voltage Low-Temperature-Coefficient CMOS Bandgap Voltage Reference" Philip K. T. Mok and Ka Nang Leung IEEE ' i- @2 j5 ~5 [& k" B0 K1 J. G6 H; o- h
“A Sub-1-V 15-ppdC CMOS Bandgap Voltage Reference without Requiring Low Threshold Voltage Device,” K.N. L&g and P.K.T. Mok, IEEE