46 Gb/s DEMUX, 50 Gb/s MUX, and 30 GHz static frequency divider in silicon bipolar technology. - Alfred Felder; Michael Möller 004; Josef Popp; Josef Böck; Hans-Martin Rein (IEEE J. Solid State Circuits, 1996)

A 40-Gb/s integrated clock and data recovery circuit in a 50-GHz fT silicon bipolar technology. - Martin Wurzer; Josef Böck; Herbert Knapp; Wolfgang Zirwas; Fritz Schumann; Alfred Felder (IEEE J. Solid State Circuits, 1999)