) N; P/ X" @$ U+ G6 x4 ZCMOS Analog Circuit Design by Phillip E. Allen & L) U6 u0 Z* M. WAnalog Integrated Circuit Design by David Johns and Ken Martin 8 R& s0 N' S7 U3 ~) rDesign of Analog CMOS Integrated Circuits by Behzad Razavi- \1 @* G+ Q9 Y- z5 e' h W