Design and applications of tunable analog BiCMOS circuits. - Jürgen Fichtel; Bedrich J. Hosticka; Werner Schardein (IEEE J. Solid State Circuits, 1992)

An interpolative bandpass converter on a 1.2- mu m BiCMOS analog/digital array. - Gerhard Tröster; Hans-Joachim Dreßler; Hans-Joachim Golberg; Werner Schardein; Edgar Zocher; Armin Wedel; Karl Schoppe; Jürgen Arndt (IEEE J. Solid State Circuits, 1993)

Application-independent hierarchical synthesis methodology for analogue circuits. - Reimund Wittmann; Bedrich J. Hosticka; Michael Schanz; Werner Schardein; Stefan Kern; Reinhold Vahrmann (EURO-DAC, 1994)

Trimless high precision ratioed resistors in D/A and A/D converters. - Reimund Wittmann; Werner Schardein; Bedrich J. Hosticka; Gert Burbach; Juergen Arndt (IEEE J. Solid State Circuits, 1995)

Statistical averaging based linearity optimization for resistor string DAC architectures in nanoscale processes. - Martin Kosakowski; Reimund Wittmann; Werner Schardein (SoCC, 2008)