A universal quad AFE with integrated filters for VDSL, ADSL, and G.SHDSL. - N. Tan; F. Caster; C. Eichrodt; S. O. George; B. Horng; J. Zhao (CICC, 2003)

A low-power method adding continuous variable gain to amplifiers. - T. Halvorsrod; Øystein Birkenes; C. Eichrodt (ISCAS (2), 2005)