Calibration of High -Speed Time -Interleaving DAC

被引：0
|
作者：
Zhang, Ke [1 ]
Su, Xiaofei [1 ]
Nakashima, Hisao [2 ]
Hoshida, Takeshi [2 ]
Tao, Zhenning [1 ]
机构：
[1] Fujitsu R&D, IFC Tower 8F,8 Jianguomenwai Ave, Beijing 100022, Peoples R China
[2] Fujitsu Ltd, 1-1 Kamikodanaka 4 Chome,Nakahara Ku, Kawasaki 2128588, Japan
来源：
2023 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION, OFC | 2023年
关键词：
D O I：
10.1364/OFC.2023.W1E.4
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Distortion in high-speed time -interleaving DAC caused by the mismatch among subDACs is experimentally calibrated by the enhanced error backpropagation scheme. Undesired spur is reduced by 20 dB, and the ENOB is improved by 0.72 bit. (c) 2022 The Author(s)
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页数：3
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