A 10-Gb/s silicon bipolar IC for PRBS testing. - Oliver Kromat; Ulrich Langmann; Gerhard Hanke; William J. Hillery (IEEE J. Solid State Circuits, 1998)

A 0.155-, 0.622-, and 2.488-Gb/s automatic bit-rate selecting clock and data recovery IC for bit-rate transparent SDH systems. - Johann-Christoph Scheytt; Gerhard Hanke; Ulrich Langmann (IEEE J. Solid State Circuits, 1999)