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This paper describes the prototype serializer (SER) IC for a 40 Gb/s optical transponder module featuring SFI5.2 input interface and two output modes, dual 20Gb/s and single 40Gb/s, to support SONET OC-768, SDH STM 256 and ITU G.709. The data rate covers from 21.5 to 22.3Gb/s for the dual-20Gb/s mode, and from 39.8 to 44.6Gb/s for the single-40Gb/s mode.
This paper presents a directly modulated, 60 GHz zero-IF transceiver architecture suitable for single-carrier, low-power, multi-gigabit wireless links in nanoscale CMOS technologies. This mm-wave front end architecture requires no upconversion of the baseband signals in the transmitter and no analog-to-digital conversion in the receiver, thus minimizing system complexity and power consumption. All...
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