T. Dickson, Z. Deniz, M. Cochet, M. Kossel, T. Morf, Young-Ho Choi, P. Francese, M. Brändli, T. Beukema, C. Baks, J. Proesel, J. Bulzacchelli, Michael P. Beakes, Byoung-Joo Yoo, Hyoungbae Ahn, Dong-Hyuk Lim, Gunil Kang, Sang-Hune Park, M. Meghelli, Hyo-Gyuem Rhew, D. Friedman, Michael Choi, M. Soyuer, Jongshin Shin
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引用次数: 3
Abstract
A DAC-based SST transmitter for wireline applications is reported in a 4nm FinFET technology. 8b resolution and high analog output bandwidth (BW) are achieved by employing a segmented architecture along with a single-ended LSB. Hybrid analog/digital tuning is used in the DAC LSB segments, resulting in well-matched MSB/LSB segments with -0.63/0.67 LSB INL and -0.16/0.43 LSB DNL. 216Gb/s PAM8 and 212Gb/s QAM64 OFDM operation are demonstrated at 288mW from a 0.95V supply.
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