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채널 등화기를 내장한 2.0GS/s 5비트 전류 모드 ADC 기반 수신기
문종호,정우철,김진태,권기원,전영현,전정훈,Moon, Jong-Ho,Jung, Woo-Chul,Kim, Jin-Tae,Kwon, Kee-Won,Jun, Young-Hyun,Chun, Jung-Hoon 대한전자공학회 2012 전자공학회논문지 Vol.50 No.8
본 논문에서는 고속 직렬 링크에 사용할 수 있는 5비트 2.0GS/s 2-way time interleaved 파이프라인 ADC 기반의 수신기를 소개한다. 샘플링 주파수를 높이기 위해, ADC 각 단은 트랙킹과 증폭이 동시에 수행되는 전류 모드 구조를 사용하였다. 또한 ADC 각단에 1-tap FIR 등화기를 탑재하여 별도의 디지털 후처리 없이 채널의 ISI를 감소시켰다. 제안한 수신기는 110nm 공정을 사용하여 설계하였다. 메모리를 제외한 수신기는 $0.58{\times}0.42mm^2$의 크기를 갖고, 동작전압 1.2V에서 91mW의 전력을 소모한다. 시뮬레이션 결과 2.0GS/s 샘플링 주파수에서 20MHz의 입력 주파수와 Nyquist 주파수인 1.0GHz 입력신호에 대하여 동일하게 26.0dB의 SNDR과 4.0비트의 ENOB특성을 확보하였다. In this paper, a 5-bit 2-GS/s 2-way time interleaved pipeline ADC for high-speed serial link receiver is demonstrated. Implemented as a current-mode amplifier, the stage ADC simultaneously processes the tracking and residue amplification to achieve higher sampling rate. In addition, each stage incorporates a built-in 1-tap FIR equalizer, reducing inter-symbol-interference (ISI)without an extra digital post-processing. The ADC is designed in a 110nm CMOS technology. It comsumes 91mW from a 1.2-V supply. The area excluding the memory block is $0.58{\times}0.42mm^2$. Simulation results show that when equalizer is enabled, the ADC achieves SNDR of 25.2dB and ENOB of 3.9bits at 2.0GS/s sample rate for a Nyquist input signal. When the equalizer is disengaged, SNDR is 26.0dB for 20MHz-1.0GHz input signal, and the ENOB of 4.0bits.
유기템플레이팅 실리카막을 이용한 이성분 및 사성분 수소 분리
문종호(Moon, Jong-Ho),배지한(Bae, Ji-Han),정종태(Chung, Jong-Tae),이재욱(Lee, Jae-Wook),이창하(Lee, Chang-Ha) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
The transport mechanisms of the MTES (methyltriethoxysilane) templating silica/a-alumina composite membrane were evaluated by using four binary and one quaternary hydrogen mixtures through permeation experiments at unsteady- and steady-states. Since the permeation flux in the MTES membrane, through the experimental and theoretical studies, was affected by molecular sieving effects as well as surface diffusion properties, the kinetic and equilibrium separation should be considered simultaneously according to molecular properties. In order to depict the transient multi-component permeation on the templating silica membrane, the GMS (generalized Maxwell-Stefan) and DGM (dust gas model) were adapted to unsteady-state material balance.
문종호 ( Jong Ho Moon ) 대한내과학회 2010 대한내과학회지 Vol.79 No.6
The diagnosis of hilar cholangiocarcinoma (CCA) is usually accomplished through a combination of imaging modalities and endoscopic examination including tissue sampling. Although high quality cross-sectional imagings provide evidences for hilar obstruction and a malignancy arising from the bile duct, a definitive diagnosis and staging often obtained through the use of endoscopic procedures. It can provide complementary information for accurate tumor extension and tissue acquisition for histologic confirmation. These informations are important in determining therapeutic options. However, despite the various available techniques, the diagnosis and accurate staging of hilar CCA is often still challenging. Newly developed adjunctive diagnostic endoscopic techniques including intraductal ultrasound and cholangioscopy improve the accuracy of endoscopic diagnosis of this lesion. Multiple endoscopic modalities can be tried to obtain accurate assessment of the tumor. Therefore, endoscopy will continue to occupy an important position in assessment of the hilar CCA. (Korean J Med 79:613-622, 2010)
Cyclophosphamide와 Prednisolone 병합요법에 치료반응을 보인 다발성 근염에 동반된 간질성 폐질환
문종호 ( Jong Ho Moon ),박준영 ( Jun Young Park ),이상우 ( Sang Moo Lee ),김현태 ( Hyeon Tae Kim ),어수택 ( Soo Taek Uh ),정연태 ( Yeon Tae Chung ),김용훈 ( Yong Hoon Kim ),박춘식 ( Choon Sik Park ),이경수 ( Kyung Soo Lee ),강대영 대한결핵 및 호흡기학회 1993 Tuberculosis and Respiratory Diseases Vol.40 No.2