A 12 Gb/s Si bipolar 4:1-multiplexer IC for SDH systems. - Zhihao Lao; Ulrich Langmann; Jens N. Albers; Erwin Schlag; Detlef Clawin (IEEE J. Solid State Circuits, 1995)

Si bipolar 14 Gb/s 1: 4-demultiplexer IC for system applications. - Zhihao Lao; Ulrich Langmann; Jens N. Albers; Erwin Schlag; Detlef Clawin (IEEE J. Solid State Circuits, 1996)