Výsledky vyhledávání - "Hyung-Gu Park"

A 4-Channel Multi-Rate VCSEL Driver with Automatic Power, Magnitude Calibration using High-Speed Time-Interleaved Flash-SAR ADC in 0.13 ㎛ CMOS

Autor: Dong Soo Lee, Youngoo Yang, YoungGun Pu, Sang-Sun Yoo, Cheon-Seok Park, Keum Cheol Hwang, Hyung-Gu Park, Kang-Yoon Lee, J.Y. Lee, Sung-Hun Cho

Publikováno v: JSTS:Journal of Semiconductor Technology and Science. 16:274-286

This paper presents a 4-channel multi-rate vertical-cavity surface-emitting laser (VCSEL) driver. In order to keep the output power constant with respect to the process, voltage, temperature (PVT) variations, this research proposes automatic power an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6c2c19b3728044e4168600e0294f0c7
https://doi.org/10.5573/jsts.2016.16.3.274

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A Design of a Wireless Power Receiving Unit With a High-Efficiency 6.78-MHz Active Rectifier Using Shared DLLs for Magnetic-Resonant A4 WP Applications

Autor: Seong-Jin Oh, Young-Jun Park, Youngoo Yang, Hyung-Gu Park, Kang-Yoon Lee, Jae-Hyeong Jang, Keum Cheol Hwang, YoungGun Pu, Hongjin Kim

Publikováno v: IEEE Transactions on Power Electronics. 31:4484-4498

This paper presents a full-CMOS wireless power receiving unit (WPRU) with a high-efficiency 6.78-MHz active rectifier and a dc–dc converter for magnetic-resonant alliance for wireless power (A4WP) applications. The proposed high-efficiency active r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2986821d6fdec155b9f1698a3c3d4ca0
https://doi.org/10.1109/tpel.2015.2468596

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Design of a Wide-Frequency-Range, Low-Power Transceiver with Automatic Impedance-Matching Calibration for TV-White-Space Application

Autor: Youngoo Yang, YoungGun Pu, Hyung-Gu Park, Keum Cheol Hwang, Dong Soo Lee, Jinwook Choi, Kang-Yoon Lee, SangHyeon Park, Jaeyoung Kim, Inseong Kim, J.Y. Lee, Munkyo Seo

Publikováno v: JSTS:Journal of Semiconductor Technology and Science. 16:126-142

This paper presents a wide-frequencyrange, low-power transceiver with an automatic impedance-matching calibration for TV-white-space (TVWS) application. The wide-range automatic impedance matching calibration (AIMC) is proposed for the Drive Amplifie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06ffaf010e3987c6fccc30c168634a5e
https://doi.org/10.5573/jsts.2016.16.1.126

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A Class-C Type Wideband Current-Reused VCO With Two-Step Automatic Amplitude Calibration Loop

Autor: YoungGun Pu, Kang-Yoon Lee, Dong Soo Lee, Jinwook Choi, Inseong Kim, Seungwon Choi, Hyung-Gu Park

Publikováno v: JSTS:Journal of Semiconductor Technology and Science. 15:470-475

This paper presents a wideband Current-Reused Voltage Controlled Oscillator (VCO) with 2-Step Automatic Amplitude Calibration (AAC). Tuning range of the proposed VCO is from 1.95 ㎓ to 3.15 ㎓. The mismatch of differential voltage is within 0.6 %.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afa78ce01c22ca4e7e1b30f0c27bbc90
https://doi.org/10.5573/jsts.2015.15.5.470

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A design of wide input range triple-mode active rectifier with peak efficiency of 94.2 % and maximum output power of 8 W for wireless power receiver in 0.18 µM BCD

Autor: J.Y. Lee, Young-Jun Park, Seong Jin Oh, Keum Cheol Hwang, Youngoo Yang, Sang-Yun Kim, YoungGun Pu, Munkyo Seo, Hyung-Gu Park, Jae Hyeong Jang, Kang-Yoon Lee

Publikováno v: Analog Integrated Circuits and Signal Processing. 86:255-265

This paper presents a full-CMOS receiver for an A4WP application. Two schemes were used in the proposed synchronous rectifier to increase the efficiency of the rectifier. One scheme involves a limiting reverse current that senses the output load curr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::442245349db995322b6e12bf577bcb29
https://doi.org/10.1007/s10470-015-0650-8

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A Design of Variable Rate Clock and Data Recovery Circuit for Biomedical Silicon Bead

Autor: Kang-Yoon Lee, Sung-Hun Cho, Dong-Soo Lee, Hyung-Gu Park

Publikováno v: Journal of the Korea Industrial Information Systems Research. 20:39-45

In this paper, variable rate CDR(Clock and Data Recovery) circuit adopting blind oversampling architecture is presented. The clock recovery circuit is implemented by using wide range voltage controlled oscillator and band selection method and the dat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdcf6b2d58a4c1b7f8333c7c6e5f4a19
https://doi.org/10.9723/jksiis.2015.20.4.039

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A 1.248 Gb/s - 2.918 Gb/s Low-Power Receiver for MIPI-DigRF M-PHY with a Fast Settling Fully Digital Frequency Detection Loop in 0.11 ㎛ CMOS

Autor: Jae Yong Lee, Kang-Yoon Lee, YoungGun Pu, J.Y. Lee, SangYun Kim, Hyung-Gu Park

Publikováno v: JSTS:Journal of Semiconductor Technology and Science. 15:506-517

This paper presents a 1.248 Gb/s ? 2.918 Gb/s low-power receiver MIPI-DigRF M-PHY with a fully digital frequency detection loop. MIPI-DigRF M-PHY should be operated in a very short training time which is 0.01 μs the for HS-G2B mode. Because of this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8f8e7ba3f603f1083457383faca09aa
https://doi.org/10.5573/jsts.2015.15.4.506

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A Wide-Locking-Range Dual Injection-Locked Frequency Divider With an Automatic Frequency Calibration Loop in 65-nm CMOS

Autor: YoungGun Pu, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang, Munkyo Seo, Dong-Soo Lee, Jae-hyung Jang, Hyung-Gu Park

Publikováno v: IEEE Transactions on Circuits and Systems II: Express Briefs. 62:327-331

This brief presents a wide-locking-range injection-locked frequency divider (ILFD) that uses an automatic frequency calibration loop. The proposed ILFD uses the ring oscillator to provide the high division ratio with small chip area. A dual-injection

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::402de89b65ba0a833001a8062bfd2dbf
https://doi.org/10.1109/tcsii.2014.2387591

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A 1.248–2.918 Gb/s low-power transmitter for MIPI M-PHY with 2-step impedance calibration loop in 0.11 μm CMOS

Autor: Honey Durga Tiwari, Keum Cheol Hwang, YoungGun Pu, Kang-Yoon Lee, Hyung-Gu Park, Inseong Kim, Young-Jun Park, Munkyo Seo, Sang-Yun Kim, J.Y. Lee, Youngoo Yang, Seong-Jin Oh

Publikováno v: Analog Integrated Circuits and Signal Processing. 83:129-142

This paper presents a 1.248---2.918 Gb/s low-power transmitter for MIPI M-PHY with 2-step impedance calibration loop. The voltage mode driver with the 2-step impedance calibration loop is proposed to optimize the output impedance and voltage swing. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed4c3334b4629078e893b71478c3cc14
https://doi.org/10.1007/s10470-015-0516-0

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A Highly Linear, Small-Area Analog Front End With Gain and Offset Compensation for Automotive Capacitive Pressure Sensors in 0.35- $\mu $ m CMOS

Autor: J.Y. Lee, Kang-Yoon Lee, YoungGun Pu, Honey Durga Tiwari, Munkyo Seo, Dong-Soo Lee, Hyung-Gu Park, Sang-Yun Kim

Publikováno v: IEEE Sensors Journal. 15:1967-1976

This paper presents a highly linear, small-area analog front end with gain and offset compensation for automotive capacitive pressure sensor. We propose a capacitance-tovoltage converter circuit that measures the capacitance value of the capacitive s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3271c3cde3ddb4f0867db5286e61095
https://doi.org/10.1109/jsen.2014.2369471

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