A multi-mode continuously-tunable lowpass filter for zero-IF mobile applications. - David Chamla; Andreas Kaiser; Andreia Cathelin; Didier Belot (ESSCIRC, 2004)

A Gm-C low-pass filter for zero-IF mobile applications with a very wide tuning range. - David Chamla; Andreas Kaiser; Andreia Cathelin; Didier Belot (IEEE J. Solid State Circuits, 2005)

A Switchable-Order Gm-C Baseband Filter With Wide Digital Tuning for Configurable Radio Receivers. - David Chamla; Andreas Kaiser; Andreia Cathelin; Didier Belot (IEEE J. Solid State Circuits, 2007)