Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.249
Chang Jin Kim, B. Han, Junyoung Lee, Sunwoo Jung, Byung-Jun Jang
{"title":"Sensor Application Using UWB Communication: In-Vehicle Seat\u0000 Occupancy Detection","authors":"Chang Jin Kim, B. Han, Junyoung Lee, Sunwoo Jung, Byung-Jun Jang","doi":"10.5515/kjkiees.2023.34.4.249","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.249","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88006174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.277
Euiho Shin, Jungsuek Oh
{"title":"Liquid Crystal-Based Reconfigurable Reflectarray Antenna Unit Cell\u0000 Structure with Improved Response Time","authors":"Euiho Shin, Jungsuek Oh","doi":"10.5515/kjkiees.2023.34.4.277","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.277","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"46 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79166795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2022.34.4.326
Changui Lee, D. Yang, Seuk-Won kang, Byung-Sung Kim
{"title":"A Ka-Band Radar Receiver with Built-in X8 Multiplier","authors":"Changui Lee, D. Yang, Seuk-Won kang, Byung-Sung Kim","doi":"10.5515/kjkiees.2022.34.4.326","DOIUrl":"https://doi.org/10.5515/kjkiees.2022.34.4.326","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84418061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.289
S. Jang, Shinae Kim, Young-Sik Kim
{"title":"Design of a 433 MHz Ultra-Low Power Wake-Up Receiver Using Dickson\u0000 Rectifier","authors":"S. Jang, Shinae Kim, Young-Sik Kim","doi":"10.5515/kjkiees.2023.34.4.289","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.289","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"54 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79415795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.256
Hyok Lee, Won-Sun Chung, Jae-Hyun Kim, Jae-Hoon Choi
{"title":"Design of a Wideband Shark-Fin Antenna Using Coupler and\u0000 Half-Wavelength Loop Pattern","authors":"Hyok Lee, Won-Sun Chung, Jae-Hyun Kim, Jae-Hoon Choi","doi":"10.5515/kjkiees.2023.34.4.256","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.256","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"38 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85831489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.326
Chan-Jong Lee, Dong-Yeol Yang, Seuk-Won kang, Byung-Sung Kim
This paper proposes a 32 GHz band radar receiver with an X8 multiplier. The Ka-band Rx chip used in the receiver was fabricated by using a 28-nm complimentary metal-oxide-semiconductor (CMOS) process and its built-in X8 multiplier enables the chip to driven by a low reference signal of 4 GHz. The designed Rx chip was attached to the ground plane of a microstrip patch antenna and connected to the feedline via the bonding wire. The impedance matching circuit was implemented along the antenna feedline by considering the impedance changes caused by the bonding wire. The reference input signal, intermediate frequency (IF) output, and bias of the receiver were supplied on an FR4 substrate with a cavity, which enabled easy implementation of the Ka-band receiver module without requiring expensive and precise packaging technology. The performance of the fabricated receiver module was verified in an over-the-air (OTA) test.
{"title":"A Ka-Band Radar Receiver with Built-in X8 Multiplier","authors":"Chan-Jong Lee, Dong-Yeol Yang, Seuk-Won kang, Byung-Sung Kim","doi":"10.5515/kjkiees.2023.34.4.326","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.326","url":null,"abstract":"This paper proposes a 32 GHz band radar receiver with an X8 multiplier. The Ka-band Rx chip used in the receiver was fabricated by using a 28-nm complimentary metal-oxide-semiconductor (CMOS) process and its built-in X8 multiplier enables the chip to driven by a low reference signal of 4 GHz. The designed Rx chip was attached to the ground plane of a microstrip patch antenna and connected to the feedline via the bonding wire. The impedance matching circuit was implemented along the antenna feedline by considering the impedance changes caused by the bonding wire. The reference input signal, intermediate frequency (IF) output, and bias of the receiver were supplied on an FR4 substrate with a cavity, which enabled easy implementation of the Ka-band receiver module without requiring expensive and precise packaging technology. The performance of the fabricated receiver module was verified in an over-the-air (OTA) test.","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135722147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.283
Sungyu Kim, Jisu Kim, Juntaek Oh
{"title":"S-Band Wideband Harmonic Transponder with Wide\u0000 Input Power Range","authors":"Sungyu Kim, Jisu Kim, Juntaek Oh","doi":"10.5515/kjkiees.2023.34.4.283","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.283","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"38 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79838284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.263
Hyesun Na, Eunjung Lee
{"title":"Electromagnetic Scattering Analysis of 3D Dielectric Multi-Coated\u0000 Structures Using Finite Element Method","authors":"Hyesun Na, Eunjung Lee","doi":"10.5515/kjkiees.2023.34.4.263","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.263","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"55 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81798691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2023.34.4.273
Ju-Won Kim, B. Min
{"title":"Millimeter-Wave Flip-Chip Bonding for On-Board\u0000 Measurement","authors":"Ju-Won Kim, B. Min","doi":"10.5515/kjkiees.2023.34.4.273","DOIUrl":"https://doi.org/10.5515/kjkiees.2023.34.4.273","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72473237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-04-01DOI: 10.5515/kjkiees.2022.34.4.310
Jaegwan Kim, C. Lee, M. Seo
{"title":"A 130-GHz Low-Area Power Amplifier in 40-nm CMOS","authors":"Jaegwan Kim, C. Lee, M. Seo","doi":"10.5515/kjkiees.2022.34.4.310","DOIUrl":"https://doi.org/10.5515/kjkiees.2022.34.4.310","url":null,"abstract":"","PeriodicalId":55817,"journal":{"name":"Journal of the Korean Institute of Electromagnetic Engineering and Science","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75069390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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