Yong Lim
Samsung
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Featured researches published by Yong Lim.
international solid-state circuits conference | 2010
Yong Lim; Kyoung-Min Koh; Kyung Min Kim; Han Yang; Juha Kim; Youngkyun Jeong; Seung-Jin Lee; Hansoo Lee; Sin-Hwan Lim; Yunseok Han; Jin-woo Kim; Jae-Cheol Yun; Seog-Heon Ham; Yun-Tae Lee
The noise performance of CMOS image sensors has improved significantly. The most popular way to reduce readout circuit noise is amplifying pixel output using a preamplifier at the foremost stage of readout chain to suppress the noise of following readout chains in high analog gain [1–3]. Another approach is multiple sampling which can reduce temporal noise of pixel and readout circuit by sampling the same pixel repeatedly and processing (generally averaging) the sampled data [4, 5]. However, both approaches require additional circuitry in the column readout chain which requires extra silicon area and power consumption. Furthermore, it is hard to implement a decent per-column amplifier in a small pixel pitch sensor, such as 1.4µm pixel, because of narrow layout space. In addition, the second approach requires longer readout time proportional to the number of samples. This paper presents a cost-effective low noise CMOS image sensor readout chain using pseudo-multiple sampling technique.
Archive | 2009
Yong Lim; Kyoung-Min Koh; Kyung Min Kim
Archive | 2011
Seung-Hyun Lim; Kwisung Yoo; Kyoung-Min Koh; Yu-Jin Park; Yong Lim
Archive | 2011
Kyoung-Min Koh; Seog-Heon Ham; Yong Lim
Archive | 2009
Yong Lim; Kyoung Min Koh; Soo Youn Kim
Archive | 2009
Kyoung Min Koh; Kyung Min Kim; Yong Lim
Archive | 2008
Soo Youn Kim; Kyung Min Shin; Yong Lim
Archive | 2012
Jin-woo Kim; Seog Heon Ham; Kyung Min Kim; Yong Lim
Archive | 2014
Sung Ho Suh; Yu Jin Park; Jin-Ho Seo; Kwi Sung Yoo; Seung Hyun Lim; Seog Heon Ham; Kyoung Min Koh; Han Yang; Jae Cheol Yun; Yong Lim; Jae Jin Jung
Archive | 2015
Jin-woo Kim; Seog Heon Ham; Kyung Min Kim; Yong Lim