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AMOLED 디스플레이용 3-채널 DC-DC 변환기 설계
전승기(Seung-Ki Jeon),김찬유(Chan-You Kim),김학윤(Hak-Yoon Kim),최호용(Ho-Yong Choi) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.11
In this paper, we design a highly integrated 3-channel DC-DC converter. Two channel, a positive voltage VPOS and a negative voltage VNEG, are designed for two supply voltages of AMOLED display. For positive voltage, VPOS, a boost converter followed by a LDO (Low Dropout) is designed using PSM/PWM dual mode to minimize power dissipation and decrease output voltage ripple. For a negative voltage, VNEG, a 0.5 x regulated inverting charge pump is designed to decrease size and power dissipation. For an additional positive voltage, V A VDD , a LDO is designed using an error amplifier to drive another fixed positive voltage. The proposed circuit has been designed using a 0.18㎛ BCDMOS process. Simulation results show that our integrated power supply has power efficiency of 57% ~ 89% for load current range of 1 mA ~ 70 mA and output voltage ripple less than 20 mV.
한국 영화 <독전: Believer>에 나타난 크리스티앙메츠의 거대 통합체 이론 분석
전승호 ( Jeon Seung Ho ) 한국사진학회 2020 AURA Vol.0 No.45
Based on Christian Mets' theory of grand integration, the study attempts to thoroughly and in depth analyze the image and narrative structure of the film, < Believer>, in what it looks like. According to him, movies are a form of communication that is symbolized according to culture and customs, and every time they fail, they continue to try to explain images with rules of language. So this paper is too broad to deal with all the issues that Mets has been working on, so it tries to logically analyze the overall research trends and recent narrative films by substituting them for the theory of large integrals. Therefore, this paper first attempts to extract and analyze common and common elements from the differences between language and film language and the different concepts that are dissolved in the scene. It will then look at how Mets' giant integrator is specifically applied to images and how it serves as a bridge that links the appearance of new theories.