CMOS Analog Circuit Design, P. E. Allen and D. R. Holberg, Oxford University Press, Second Edition, 2002, ISBN 0-19-511644-5.
Design of Analog CMOS Integrated Circuits, B. Razavi, McGraw-Hill, 1999, ISBN 0-07-237371-0.
Microelectronic Circuits, A. Sedra and K. C. Smith, Oxford University Press, Fifth Edition, 2004, ISBN 0-19-514251-9.