A software programmable CMOS telephone circuit. - Franz Dielacher; Jörg Hauptmann; Jochen Reisinger; Reinhard Steiner; Herbert Zojer (IEEE J. Solid State Circuits, 1991)

A low-noise amplifier with automatic gain control and anticlipping control in CMOS technology. - Jörg Hauptmann; Franz Dielacher; Reinhard Steiner; Christian C. Enz; François Krummenacher (IEEE J. Solid State Circuits, 1992)