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Chang, Ziyi (author), Zhang, Yunshan (author), Yang, Changgui (author), Luo, Yuxuan (author), Du, S. (author), Chen, Yong (author), Zhao, Bo (author)
The size of wireless systems is required to be reduced in many applications, such as ultra-low-power sensor nodes and wearable/implantable devices, where battery and crystal are the two main bottlenecks in system miniaturization. In recent years, battery-free radios based on wireless power transfer (WPT) have shown great potential in...
journal article 2022
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Liu, Bangan (author), Zhang, Yuncheng (author), Qiu, Junjun (author), Ngo, Huy Cu (author), Deng, Wei (author), Nakata, Kengo (author), Yoshioka, Toru (author), Emmei, Jun (author), Pang, Jian (author), Someya, T. (author)
In this paper, a fully-synthesizable digital-to-time (DTC)-based fractional-N multiplying delay-locked loop,(MDLL) is presented. Noise and linearity of synthesizable DTCs are analyzed, and a two-stage synthesizable DTC is proposed in which a path-selection DTC is used as the coarse stage and a variable-slope DTC is used as the fine stage. To...
journal article 2021
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Ahmadi Mehr, S.A.R. (author), Tohidian, M. (author), Staszeski, R.B. (author)
In modern RF system on chips (SoCs), the digital content consumes up to 85% of the IC chip area. The recent push to integrate multiple RF-SoC cores is met with heavy resistance by the remaining RF/analog circuitry, which creates numerous strong aggressors and weak victims leading to RF performance degradation. A key such mechanism is injection...
journal article 2015