請參考paper& R. y8 T+ V% f3 u
"Design Considerations of Recent Advanced Low-Voltage Low-Temperature-Coefficient CMOS Bandgap Voltage Reference" Philip K. T. Mok and Ka Nang Leung IEEE : m$ s) P" \ y( y& h: b - p' ]2 A# J+ j“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