A programmable coefficient continuous-time A/D Delta-Sigma modulator. - Daniel J. Allen; Angelo W. Pereira; Paul E. Hasler (ISCAS (1), 2004)

Fully differential floating-gate programmable OTAs with novel common-mode feedback. - Ravi Chawla; Guillermo J. Serrano; Daniel J. Allen; Angelo W. Pereira; Paul E. Hasler (ISCAS (1), 2004)

A 0.5µm CMOS programmable discrete-time Delta-Sigma modulator with floating gate elements. - Angelo W. Pereira; Daniel J. Allen; Paul E. Hasler (ISCAS (1), 2004)