High-Speed Continuous-Time Subsampling Bandpass ΔΣAD Modulator Architecture Employing Radio Frequency DAC(<Special Section>Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa)
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概要
- 論文の詳細を見る
This paper proposes a continuous-time bandpass ΔΣAD modulator architecture which performs high-accuracy AD conversion of high frequency analog signals and can be used for next-generation radio systems. We use an RF DAC inside the modulator to enable subsampling and also to make the SNDR of the continuous-time modulator insensitive to DAC sampling clock jitter. We have confirmed that this is the case by MATLAB simulation. We have also extended our modulator to multi-bit structures and show that this alleviates excess loop delay problems.
- 社団法人電子情報通信学会の論文
- 2006-04-01
著者
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KOBAYASHI Haruo
Department of Electronic Engineering, Graduate School of Engineering, Gunma University
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Hotta Masao
Department Of Electronics & Communication Engineering Musashi Institute Of Technology
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Wada Atsushi
Devices Development Center Mixed Signal Department Sanyo Electric Co. Ltd.
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TSUKADA Toshiro
Semiconductor Technology Academic Research Center
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Kobayashi Haruo
Department Of Electronic Engineering Faculty Of Engineering Gunma University
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Kobayashi Haruo
Electronic Engineering Department Graduate School Of Engineering Gunma University
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Mashiko Koichiro
Semiconductor Technology Academic Research Center (starc)
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WADA Atsushi
Frontier Devices Research Center, Sanyo Electric Co., Ltd.
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UEMORI Masafumi
Department of Electronic Engineering, Gunma University
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ICHIKAWA Tomonari
Department of Electronic Engineering, Gunma University
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Kobayashi Haruo
Gunma University
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Kobayashi Haruo
Department Of Electronic Engineering Graduate School Of Engineering Gunma University
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Tsukada Toshiro
Semiconductor Technol. Academic Res. Center Yokohama‐shi Jpn
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Tsukada Toshiro
Semiconductor & Integrated Circuits Group Hitachi Lid.
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Uemori Masafumi
Department Of Electronic Engineering Gunma University
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Ichikawa Tomonari
Department Of Electronic Engineering Gunma University
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KOBAYASHI HARUO
Department of Animal Breeding, Faculty of Agriculture, University of Tokyo
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