請參考paper 2 z% Y+ H8 C) _5 h1 T& Z D"Design Considerations of Recent Advanced Low-Voltage Low-Temperature-Coefficient CMOS Bandgap Voltage Reference" Philip K. T. Mok and Ka Nang Leung IEEE: p$ n" r4 A( ^7 r
! B: s8 G9 R2 s/ d# U“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