G. van Ruymbeke

A BiCMOS programmable continuous-time filter using image-parameter method synthesis and voltage-companding technique

Christian Enz, Michel Declercq, Francois Krummenacher, 1997, IEEE J. Solid State Circuits.

Integrated Selectivity for Narrow-Band FM IF Systems

G. van Ruymbeke, Francois Krummenacher, 1989 .