Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Jeongwook Koh"'
Autor:
Marcel Jotschke, Peter Reichel, Wilmar Carvajal Ossa, Jeongwook Koh, Torsten Reich, Christian Mayr
Publikováno v:
IEEE Open Journal of Circuits and Systems, Vol 2, Pp 445-456 (2021)
The trend towards ubiquitous electronics drives the development of autonomous hardware components with longer operating times. This work presents a novel ultra-low power analog sensor frontend (AFE) for environmental sensing applications. Relevant op
Externí odkaz:
https://doaj.org/article/14bf8a8586b44d6ea88a93b760d3060a
Autor:
Jeongwook Koh, Elmar Herzer
Publikováno v:
2022 19th International SoC Design Conference (ISOCC).
Autor:
Marcel Jotschke, Jens Lienig, Shishira S. Venkatesha, Sunil Satish Rao, Jeongwook Koh, Torsten Reich
Publikováno v:
2021 4th International Conference on Circuits, Systems and Simulation (ICCSS).
We present a 5 MSample/s current steering digital-to-analog converter which has a programmable resolution between 8 bit, 10 bit and 12 bit. A selectable 2-D unary matrix architecture and a resolution programmable decoder are proposed for the resoluti
Autor:
Libin Yao, Lianhong Zhou, Jeongwook Koh, Chun-Huat Heng, Minkyu Je, Muthukumaraswamy Annamalai
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 60:542-546
A reconfigurable acoustic telemetry transmitter that employs crystal-less temperature-independent frequency reference has been realized in a 1- μm silicon-on-insulator complementary metal-oxide-semiconductor process. The transmitter can be configure
Publikováno v:
IEEE Journal of Solid-State Circuits. 42:1352-1361
We present a novel principle for 1/f noise reduction in linear analog CMOS ICs. The principle is experimentally demonstrated for a two-stage CMOS Miller operational amplifier in a standard 0.12-mum, 1.5-V digital CMOS technology. A threefold 1/f nois
Publikováno v:
Solid-State Electronics. 50:668-673
In recent years several publications have reported reductions in the low frequency noise of MOSFETs under large signal excitation presented in I. Bloom et al. (1991), P. Dierickx et al. (1992), E. A. M. Klumperink et al. (2000), H. Tian et al. (2001)
Autor:
Jeongwook Koh
Publikováno v:
International Journal of Information and Electronics Engineering.
Autor:
Lei Zou, Xiaohui Gong, Minkyu Je, Yong Ping Xu, Jeongwook Koh, Jerrin Pathrose, Kevin T. C. Chai
Publikováno v:
2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).
This paper describes a bandgap reference with temperature range up to 300°C. Fabricated in a PDSOI CMOS technology, the bandgap reference achieves a box model temperature coefficient of 138ppm from 25 to 300°C, and line regulation less than 1.5mv/V
Publikováno v:
ESSCIRC
A frequency synthesizer for MB-OFDM UWB system is implemented in CMOS RF process. The LO generator includes three wide tunable VCOs, PLLs, and quadrature generators. This synthesizer with three VCOs gives more flexible power management scheme and gen
Autor:
Eun-Chul Park, Chun-Deok Suh, Jeongwook Koh, Choong-Yul Cha, Hyun-Su Chae, Han-Seung Lee, Hoon-Tae Kim, Jung-Eim Lee
Publikováno v:
Digest of Papers. 2005 Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, 2005..
A fast frequency/mode switching SSB mixer/amplifier topology is proposed for the implementation of low power multi-tone generator (MTG) in MB-OFDM UWB system. The proposed SSB mixer/amplifier topology is fabricated for the generation of mode-1 band c