Zobrazeno 1 - 10
of 521
pro vyhledávání: '"Kwong Chan"'
Autor:
Feifan Gao, Pak Kwong Chan
Publikováno v:
Chips, Vol 3, Iss 1, Pp 1-31 (2023)
This paper presents a low-voltage CMOS four-stage amplifier operating in the subthreshold region. The first design technique includes the cross-feedforward positive feedback frequency compensation (CFPFC) for obtaining better bandwidth efficiency in
Externí odkaz:
https://doaj.org/article/0b1dd1f852bc4b8197c8406f7fbdba0b
Autor:
Lu Hong, Mary Hoi Yin Tang, Ka Wang Cheung, Libing Luo, Cindy Ka Yee Cheung, Xiaoying Dai, Yanyan Li, Chuqin Xiong, Wei Liang, Wei Xiang, Liangbing Wang, Kelvin Yuen Kwong Chan, Shengmou Lin
Publikováno v:
Diagnostics, Vol 14, Iss 1, p 102 (2024)
Fetal hyperthyroidism can occur secondary to maternal autoimmune hyperthyroidism. The thyroid-stimulating hormone receptor antibody (TRAb) transferred from the mother to the fetus stimulates the fetal thyroid and causes fetal thyrotoxicosis. Fetuses
Externí odkaz:
https://doaj.org/article/5392aa4c38ad41fcb38ee13259183e38
Publikováno v:
Sensors, Vol 23, Iss 24, p 9808 (2023)
This paper presents a low-voltage low-power chopper-stabilized differential difference amplifier (DDA) realized using 40 nm CMOS technology. Operating with a supply voltage of 0.5 V, a three-stage DDA has been employed to achieve an open-loop gain of
Externí odkaz:
https://doaj.org/article/45691124cc674aa2ad399b2fa10bd086
Autor:
Jeffrey Fong Ting Chau, Mullin Ho Chung Yu, Martin Man Chun Chui, Cyrus Chun Wing Yeung, Aaron Wing Cheung Kwok, Xuehan Zhuang, Ryan Lee, Jasmine Lee Fong Fung, Mianne Lee, Christopher Chun Yu Mak, Nicole Ying Ting Ng, Claudia Ching Yan Chung, Marcus Chun Yin Chan, Mandy Ho Yin Tsang, Joshua Chun Ki Chan, Kelvin Yuen Kwong Chan, Anita Sik Yau Kan, Patrick Ho Yu Chung, Wanling Yang, So Lun Lee, Godfrey Chi Fung Chan, Paul Kwong Hang Tam, Yu Lung Lau, Kit San Yeung, Brian Hon Yin Chung, Clara Sze Man Tang
Publikováno v:
npj Genomic Medicine, Vol 7, Iss 1, Pp 1-9 (2022)
Abstract Traditional carrier screening has been utilized for the detection of carriers of genetic disorders. Since a comprehensive assessment of the carrier frequencies of recessive conditions in the Southern Chinese population is not yet available,
Externí odkaz:
https://doaj.org/article/a4439854ca474791ac85c6eeb89fbddb
Autor:
Sheng Mou Lin, Ho Ming Luk, Ivan Fai Man Lo, Wai‐Keung Tam, Kelvin Yuen Kwong Chan, Hei‐Yee Tse, Wing Cheong Leung, Mary Hoi Yin Tang, Anita Sik Yau Kan
Publikováno v:
Clinical Case Reports, Vol 8, Iss 8, Pp 1369-1375 (2020)
Abstract Mosaic variegated aneuploidy (MVA) is a rare genetic disorder caused by mutations in BUB1B, CEP57, or TRIP13. We describe the prenatal diagnosis, molecular characterization, and clinical management of a long‐lived patient with BUB1B‐rela
Externí odkaz:
https://doaj.org/article/5f7d3ec0503c48448b3030a1433f610f
Autor:
Claudia Ching Yan Chung, Kelvin Yuen Kwong Chan, Pui Wah Hui, Patrick Kwok Cheung Au, Wai Keung Tam, Samuel Kai Man Li, Gordon Ka Chun Leung, Jasmine Lee Fong Fung, Marcus Chun Yin Chan, Ho Ming Luk, Annisa Shui Lam Mak, Kwok Yin Leung, Mary Hoi Yin Tang, Brian Hon Yin Chung, Anita Sik Yau Kan
Publikováno v:
BMC Pregnancy and Childbirth, Vol 20, Iss 1, Pp 1-15 (2020)
Abstract Background Chromosomal microarray (CMA) has been shown to be cost-effective over karyotyping in invasive prenatal diagnosis for pregnancies with fetal ultrasound anomalies. Yet, information regarding preceding and subsequent tests must be co
Externí odkaz:
https://doaj.org/article/5b55676ef2a14980ab6727835e25d33b
Publikováno v:
IEEE Access, Vol 8, Pp 177374-177384 (2020)
A fast-transient voltage-mode hysteretic buck converter with digital-controlled power-drivingtracked-duration (PDTD) auxiliary current pump is proposed. The pump injection current duration is digitally controlled by the driving signal of the power st
Externí odkaz:
https://doaj.org/article/f7e73b054cdb4b3d9c14b1b321cfdff3
Autor:
Yizhuo Liao, Pak Kwong Chan
Publikováno v:
Journal of Low Power Electronics and Applications, Vol 13, Iss 1, p 15 (2023)
A fully-integrated CMOS relaxation oscillator, realized in 40 nm CMOS technology, is presented. The oscillator includes a stable two-transistor based voltage reference without an operational amplifier, a simple current reference employing the tempera
Externí odkaz:
https://doaj.org/article/604bd5a67eb044129cda3e78aedcb939
Autor:
Shuzheng Mu, Pak Kwong Chan
Publikováno v:
Sensors, Vol 22, Iss 23, p 9466 (2022)
A new precision-aware subthreshold-based MOSFET voltage reference is presented in this paper. The circuit was implemented TSMC−40 nm process technology. It consumed 9.6 μW at the supply voltage of 1.2 V. In this proposed work, by utilizing subthre
Externí odkaz:
https://doaj.org/article/7f10679a43ca4464a5dad678b80eb870
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