A fully-integrated 40 Gb/s clock and data recovery/1:4 DEMUX IC in SiGe technology

A 40 Gb/s clock and data recovery (CDR) IC with 1:4 demultiplexer (DEMUX) is fabricated in a SiGe technology. The architecture provides robust operation combined with a high level of integration, dissipating 4.8 W from a 5.5 V supply.