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A Fast Low Dropout Regulator with High Slew Rate and Large Unity-Gain Bandwidth
고영훈,장영신,한석균,이상국 대한전자공학회 2013 Journal of semiconductor technology and science Vol.13 No.4
A low dropout regulator (LDO) with fasttransient responses is presented. The proposed LDOeliminates the trade-off between slew rate and unitygain bandwidth, which are the key parameters forfast transient responses. In the proposed buffer, bychanging the slew current path, the slew rate andunity gain bandwidth can be controlled independently. Implemented in 0.18- μm high voltage CMOS, theproposed LDO shows up to 200 mA load current with0.2 V dropout voltage for 1μ F output capacitance. The measured maximum transient output voltagevariation, minimum quiescent current at no loadcondition, and maximum unity gain frequency are 24mV, 7.5μA , and higher than 1 MHz, respectively.
韓國과 日本의 原始住居 形態에 關한 硏究(Ⅰ) : 韓國의 原始住居 形態에 關하여
高永勳 慶尙大學校生産技術硏究所 1992 生産技術硏究所論文集 Vol.8 No.-
This Study is to define, area and figure plan of primitive hut in Korea, what changes as time passes, to report of investigation on Neo Stone, Bronze and Early Iron Age up to the present. I wish results of study that gives a assistance to archetype in Korea traditional Architecture. The results are as follows. 1) The area of hut is tendency to large from Early Neo Stone Age until Primary Three Countries Age. But it is slightly. 2) It should be need reconsideration the opinion that area of residence per one person has take 5㎡. 3) The process of change hut plan is as follows 4) Technique of authoritative Architecture is developed well on Primary Three Countries Age. But shape of common residence is adopted shabby hut. Therefore it is shown that opinion of hut has a tendency to strong. Circle ----------→ Ellipse ---------→ Rectangle ↘ ↘ ↗ Square with round corner -------→ Square
韓國建築의 樣式論에 關한 硏究(I) : 樣式의 基礎槪念 : 建築史에서의 樣式 槪念의 適用
高永勳 慶尙大學校生産技術硏究所 1989 生産技術硏究所論文集 Vol.5 No.-
This study is one of method to solve problem of style in Korean architecture that is not interpretation, with concepts of style is applied to explain of characteristics of each period, region and school in philosophy and cultural history. Second chapter has been considered concepts of style different from view of point. Third chapter has been explained to a certain problem when it has applied in Korean architecture. It is first, a Period-View of Time. second, a National Land and Race-View of Space, finally, a School View of Tradition. In conclusion, architecture should not considered special one or two concepts of style and not only considered artistic upper levels' architecture but also rustic low levels' architecture, because architecture is formed all of Society, culture and skill.
다경로 페이딩 채널에서 RAKE 수신기를 적용한 CDMA 시스템의 성능 분석
고영훈,박성경,홍대식,강창언 대한전자공학회 1994 전자공학회논문지-A Vol.31 No.4
This paper presents the CDMA system using the RAKE receiver over a multipath fading channel and in multi-user environments. The interference between the propagation paths in a multipath fading causes a serious degradation in the mobile communication environment. In order to derive the path inteference and reduce the fading effect, the RAKE receiver is used. In a computer simulation, the path number of a fading channel and the branch number of the RAKE receiver are modified. As a result, the CDMA system using the RAKE receiver gives a better performance than the conventional CDMA system over a multipath fading channel and in multi-user environments.
東 ·西洋 中世 宗敎建築物의 지붕構造 및 造形性에 關한 硏究
高永勳 慶尙大學校 1984 論文集 Vol.23 No.2
The religion arcritecture of the Middle Ages in the East and the West widely offected other archecture Conclusionsof analysis on the roof construction and modeling of religion architecture in the East and the West are as follows. 1. The shape of roof is determined by construction method and then it is changed, in the between aspects of space begined by religion. 2. The Construction of roof is resulted from materials while the Masonry Construtcion tend to control the Post-Litel Construction in the West, and in the East Post-Lintel construction is not change at all times. 3. Both of the East and the West, the shape of roof is changed slowly viual spirtualization by process of abstraction. For example the Plane is expressed the Line, and the Line is expressed the Point.
旌閣 建築의 특성에 관한 연구 - 경남서부지역 중ㆍ소도시를 중심으로 -
고영훈,서은성 한국농촌건축학회 2007 농촌건축 : 한국농촌건축학회논문집 Vol.9 No.2
The Cho-sun Dynasty had put in operation positive Jeong-Pyo Policy for diffusion Confusion ethics, educate the people and control the mind of the people. Prize methods for Jeong-Pyo Policy are Jeong-Ryeo, Jeong-Moon, remit corvee, present a post and present goods. The purpose of this prize was to memory filial piety, faithful wife, faithful subject and there was Confucianism inside. The building of Jeong-Ryeo had been built by king order. When a family got a Jeong-Ryeo form a king, the family had great honor, and it became a village's great pride. Although Gyeongnam province has the most people who have taken the prize, yet it is insufficient of the present condition or the architectural analysis data about Jeong-Gak. In this study, I considered architectural characteristics of Jeong-Gak in the West Gyeongnam.