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A 41-GHz 19.4-dBm P<sub>sat</sub> CMOS Doherty power amplifier for 5G NR applications 41 ghz 19.4 dbm P&lt;sub&gt;sat&lt;/sub&gt;用于5G NR应用的CMOS Doherty功率放大器
4区 工程技术
Ieice Electronics Express Pub Date : 2023-03-10 DOI: 10.1587/elex.20.20220558
Zheng Li, Zixin Chen, Qiaoyu Wang, Junqing Liu, Jian Pang, Atsushi Shirane, Kenichi Okada
{"title":"A 41-GHz 19.4-dBm P&lt;sub&gt;sat&lt;/sub&gt; CMOS Doherty power amplifier for 5G NR applications","authors":"Zheng Li, Zixin Chen, Qiaoyu Wang, Junqing Liu, Jian Pang, Atsushi Shirane, Kenichi Okada","doi":"10.1587/elex.20.20220558","DOIUrl":"https://doi.org/10.1587/elex.20.20220558","url":null,"abstract":"In this letter, a 41-GHz Doherty power amplifier (PA) in standard 65nm CMOS technology is introduced for 5G New Radio (NR) applications. The proposed PA implements the transformer-based parallel-combined Doherty structure to enhance the power-added efficiency (PAE). A tunable 90-deg hybrid coupler is proposed for output phase compensation. This work achieves a saturated output power (Psat) of 19.4dBm and an OP1dB of 18.6dBm at 41.5GHz under a 1-V power supply. The peak PAE and the PAE at 6-dB output power back-off (PBO) are 30.4% and 19.2%, respectively. This work also supports single-carrier mode (SC-mode) 400-MSymbols/s 256QAM and OFDMA-mode 400-MHz 256QAM. The core chip area is 0.22 mm2 with a static power consumption of 76mW.","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136095419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
High-Speed and Low-Power Embedded TEC BCH Scheme for ReRAM Array ReRAM阵列的高速低功耗嵌入式TEC BCH方案
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230193
Kun Zhang, Haiyang Liu, Xu Zheng, Xiaoxin Xu, Hongyang Hu, Junyu Zhang
{"title":"High-Speed and Low-Power Embedded TEC BCH Scheme for ReRAM Array","authors":"Kun Zhang, Haiyang Liu, Xu Zheng, Xiaoxin Xu, Hongyang Hu, Junyu Zhang","doi":"10.1587/elex.20.20230193","DOIUrl":"https://doi.org/10.1587/elex.20.20230193","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67301172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of 18.2-42.0 GHz Injection-Locked Frequency Doubler with Transformer Input 带变压器输入的18.2-42.0 GHz注入锁定倍频器的研究
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230107
Yoshiki Hashimoto, Naoki Kaneda, K. Komoku, N. Itoh
{"title":"Study of 18.2-42.0 GHz Injection-Locked Frequency Doubler with Transformer Input","authors":"Yoshiki Hashimoto, Naoki Kaneda, K. Komoku, N. Itoh","doi":"10.1587/elex.20.20230107","DOIUrl":"https://doi.org/10.1587/elex.20.20230107","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67301390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Topology of Asymmetric Half Bridge for 135W-Level Type-C Power Delivery Application Description Components of PFC Description 一种用于135w级c型供电的新型非对称半桥拓扑
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230233
Penghui Cao, Yih-Sheng Wang, Yunkai Sun, X. Lyu, Faxin Yu
{"title":"A New Topology of Asymmetric Half Bridge for 135W-Level Type-C Power Delivery Application Description Components of PFC Description","authors":"Penghui Cao, Yih-Sheng Wang, Yunkai Sun, X. Lyu, Faxin Yu","doi":"10.1587/elex.20.20230233","DOIUrl":"https://doi.org/10.1587/elex.20.20230233","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67302246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Frequency Plane Piezoelectric Transducer for High-Sensitivity Acoustics 用于高灵敏度声学的高频平面压电传感器
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230242
Tianliang Xu, Shanqiang Yang, Xin Wang, Chenxu Wang, Zhiquan Zhou, Tian Rong
{"title":"High-Frequency Plane Piezoelectric Transducer for High-Sensitivity Acoustics","authors":"Tianliang Xu, Shanqiang Yang, Xin Wang, Chenxu Wang, Zhiquan Zhou, Tian Rong","doi":"10.1587/elex.20.20230242","DOIUrl":"https://doi.org/10.1587/elex.20.20230242","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67302386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sampling circuit issues in A/D converters and challenges for the solution A/D转换器的采样电路问题及解决方案的挑战
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20232001
A. Matsuzawa
{"title":"Sampling circuit issues in A/D converters and challenges for the solution","authors":"A. Matsuzawa","doi":"10.1587/elex.20.20232001","DOIUrl":"https://doi.org/10.1587/elex.20.20232001","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67302739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Ultra-wideband Tuning Method for Electrically Small Antenna Based on Characteristic Mode Analysis 基于特征模态分析的电小型天线超宽带调谐方法
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230272
Yunpeng Liu, Lin Lin, Shengjie Wang, Hongzheng Zeng
{"title":"An Ultra-wideband Tuning Method for Electrically Small Antenna Based on Characteristic Mode Analysis","authors":"Yunpeng Liu, Lin Lin, Shengjie Wang, Hongzheng Zeng","doi":"10.1587/elex.20.20230272","DOIUrl":"https://doi.org/10.1587/elex.20.20230272","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67302774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Definition Technology of AI Inference Scheme for Object Detection on Edge/Terminal 边缘/终端目标检测AI推理方案高清技术
IF 0.8 4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20232002
H. Uzawa, Shuhei Yoshida, Yukou Iinuma, Saki Hatta, Daisuke Kobayashi, Yuya Omori, Yusuke Horishita, Ken Nakamura, Shuichi Takada, Hassan Toorabally, K. Nitta, Koji Yamazaki, Kimikazu Sano
{"title":"High-Definition Technology of AI Inference Scheme for Object Detection on Edge/Terminal","authors":"H. Uzawa, Shuhei Yoshida, Yukou Iinuma, Saki Hatta, Daisuke Kobayashi, Yuya Omori, Yusuke Horishita, Ken Nakamura, Shuichi Takada, Hassan Toorabally, K. Nitta, Koji Yamazaki, Kimikazu Sano","doi":"10.1587/elex.20.20232002","DOIUrl":"https://doi.org/10.1587/elex.20.20232002","url":null,"abstract":"","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67302806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A 20.8-23.2GHz sub-sampling PLL with transformer-coupled VCO feedback loop achieving -47.05 dBc reference spur and -245.9dB FOM in 40nm CMOS Technology 采用40nm CMOS技术，实现了-47.05 dBc参考杂散和-245.9dB FOM的20.8-23.2GHz分采样锁相环，变压器耦合VCO反馈环
4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230385
Zhichao Zhang, Wenjie Zheng, Xinlin Xia, Yanjie Wang
{"title":"A 20.8-23.2GHz sub-sampling PLL with transformer-coupled VCO feedback loop achieving -47.05 dBc reference spur and -245.9dB FOM in 40nm CMOS Technology","authors":"Zhichao Zhang, Wenjie Zheng, Xinlin Xia, Yanjie Wang","doi":"10.1587/elex.20.20230385","DOIUrl":"https://doi.org/10.1587/elex.20.20230385","url":null,"abstract":"This paper presents a 20.8-23.2GHz integer-N sub-sampling phase-locked loop (SSPLL) with low-reference spur and low-phase noise. A transformer-coupled based voltage controlled oscillator (VCO) is employed and its output is feedback as the input to SSPD in sub-sampling PLL to reduce the reference spur without requiring extra area and power consumption. In addition, a common source feedback circuit is adopted in the proposed sub-sampling charge pump (SSCP) to reduce current mismatch. The proposed sub-sampling PLL is implemented in a 40nm CMOS technology, measured results exhibit a frequency tuning range of 10.9% from 20.8 to 23.2GHz. The measured phase noise is -106.92@1MHz offset, the reference spur is -47.05 dBc. The typical power consumption is 29.1 mW from a 1.1V supply voltage, leading to a PLL FoM of -245.9 dB. The PLL occupies a core area of 1.2mm2.","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135442758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An enhanced switching active disturbance rejection controller for speed control of permanent magnet synchronous motor 一种用于永磁同步电机速度控制的改进型开关自抗扰控制器
4区 工程技术
Ieice Electronics Express Pub Date : 2023-01-01 DOI: 10.1587/elex.20.20230476
Peng Gao, Huihui Pan
{"title":"An enhanced switching active disturbance rejection controller for speed control of permanent magnet synchronous motor","authors":"Peng Gao, Huihui Pan","doi":"10.1587/elex.20.20230476","DOIUrl":"https://doi.org/10.1587/elex.20.20230476","url":null,"abstract":"In this study, a novel active disturbance rejection controller (ADRC) is proposed to significantly improve the speed control performance of permanent magnet synchronous motor (PMSM). The conventional ADRC, namely linear active disturbance rejection controller (LADRC) and nonlinear active disturbance rejection controller (NLADRC), both them have their own merits and drawbacks. Thus, an enhanced switching active disturbance rejection controller (ESADRC) is developed to counteract the impacts of the speed-loop for the PMSM. The proposed ESADRC comprises several novel components including a novel tracking differentiator (TD), a novel switching extended state observer (SESO), a novel switching state error feedback (SSEF), and a cascaded extended state observer (ESO). The cascaded ESO is responsible for estimating the remaining disturbance after the SESO. Through comparative verification, it is verified that the proposed ESADRC outperforms the traditional ADRCs in terms of performance.","PeriodicalId":50387,"journal":{"name":"Ieice Electronics Express","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135710804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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