1-to-4 Analog Demultiplexer With up to 128 GS/s for Interleaving of Bandwidth-Limited Digitizers in Wireline and Optical Receivers

Today’s ultra-wideband optical equipment enables fiber-based data links with up to 1.6 Tbit/s per wavelength at a symbol rate of 128 Gbaud. However, high input signal path losses need to be overcome in commercial products when the digitizers are integrated with the digital signal processor in a deep-submicrometer FinFET-CMOS transceiver application specific integrated circuit (ASIC). This currentl...