Zobrazeno 1 - 10
of 145
pro vyhledávání: '"Kyutae Lim"'
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2010 (2010)
Externí odkaz:
https://doaj.org/article/7fe9d6f6c12642b3a9d1b7dbb94e9700
Autor:
Chang-Ho Lee, Ockgoo Lee, Kyutae Lim, Joonhoi Hur, Joy Laskar, Kwan-Woo Kim, Hyoungsoo Kim, Franklin Bien
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 63:618-622
This brief presents a nonisolated multilevel linear amplifier with nonlinear component (LINC) power amplifier (PA) implemented in a standard 0.18- $\mu\text{m}$ complementary metal–oxide–semiconductor process. Using a nonisolated power combiner,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72d0314f7cd7e22efa8a5c2882d9ed6c
https://doi.org/10.1109/tcsii.2016.2530199
https://doi.org/10.1109/tcsii.2016.2530199
Publikováno v:
IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 20:969-973
This paper proposes a new reference-spur elimination architecture for a charge-pump-based phase locked loop (PLL) using an edge interpolation technique. By utilizing a charge-distribution mechanism on the control voltage of the voltage-controlled osc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dac45e08f765c94d80e806f04dfd227f
https://doi.org/10.1109/tvlsi.2011.2129602
https://doi.org/10.1109/tvlsi.2011.2129602
Publikováno v:
IEEE Transactions on Vehicular Technology. 60:4184-4193
The linear amplifier with nonlinear components (LINC) is highly efficient because it uses a highly efficient nonlinear power amplifier (PA). However, the linearity performance of the LINC system is easily degraded by amplitude and phase mismatches be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::208079bfca2597cc9dc3d014601ec3ee
https://doi.org/10.1109/tvt.2011.2171062
https://doi.org/10.1109/tvt.2011.2171062
Publikováno v:
ETRI Journal. 33:326-334
This paper outlines the time jitter effect of a sampling clock on a software-defined radio technology-based digital intermediate frequency (IF) transceiver for a mobile communication base station. The implemented digital IF transceiver is reconfigura
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcc17d5cdd9728ac3238b4a709fdb8ae
https://doi.org/10.4218/etrij.11.0110.0339
https://doi.org/10.4218/etrij.11.0110.0339
Autor:
Sang Min Lee, Jongmin Park, Chang-Ho Lee, Ki-Hong Kim, Taejoong Song, Franklin Bien, J. Laskar, Kyutae Lim, Joonhoi Hur, Moo Woong Lee
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 60:1187-1196
A low-power technique for a static random-access memory (SRAM)-based on-chip arbitrary-waveform generator (AWG) is proposed for two types of analog-signal-processing applications: multiresolution spectrum sensing and matched filter. The SRAM has an e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39641f62e113f71c28864f994517de27
https://doi.org/10.1109/tim.2010.2084610
https://doi.org/10.1109/tim.2010.2084610
Publikováno v:
IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 19:701-705
A programmable delay locked loop (DLL) based clock generator, providing a high multiplication factor, has been developed in a 0.18- μm CMOS technology. Utilizing the proposed pulse generator, purely consisting of D flip flops (DFFs) and inverters, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80cec54490583d18d002e86d17d0ce37
https://doi.org/10.1109/tvlsi.2009.2036433
https://doi.org/10.1109/tvlsi.2009.2036433
Autor:
Seong-Heon Jeong, E.M. Tentzeris, Sunki Min, Myung-Woon Hwang, Stephen T. Kim, Kyutae Lim, Sungho Beck
Publikováno v:
IEICE Transactions on Electronics. :1328-1331
This paper proposes an active-RC filter that achieves a wide pseudo-continuous bandwidth-tuning range and a wide gain range with fine steps using a novel switched resistor architecture. A channel-selection filter with the proposed resistor bank is de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::117e22ad798ff5c8ce6f506bb1dabbfe
https://doi.org/10.1587/transele.e94.c.1328
https://doi.org/10.1587/transele.e94.c.1328
Autor:
Soon Ik Jeon, Soon Young Eom, Manos M. Tentzeris, Kyutae Lim, T. Wu, Seong Sik Myoung, Joy Laskar, Rong Lin Li
Publikováno v:
IEEE Transactions on Antennas and Propagation. 58:1468-1476
A novel antenna configuration for quad-band operation is presented. The quad-band antenna has a directional radiation pattern in four frequency bands, i.e., B1 (800-900 MHz), B2 (1.7-2.5 GHz), B3 (3.3-3.6 GHz), and B4 (5.1-5.9 GHz), covering all spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::069133e3c910fb96655ed646132b58ca
https://doi.org/10.1109/tap.2010.2044472
https://doi.org/10.1109/tap.2010.2044472
Autor:
Jong-Gwan Yook, Soon-Ik Jeon, T. Wu, Soon-Young Eom, Seong-Sik Myoung, Joy Laskar, Kyutae Lim
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 21:381-391
In this paper, a novel frequency reconfigurable active array antenna(RAA) system, which can be reconfigurable for three reconfigurable frequency bands, is proposed by using commercial RF MEMS switches. The MEMS switch shows excellent insertion loss,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f825994f4538c00633619a03b3aa3b2e
https://doi.org/10.5515/kjkiees.2010.21.4.381
https://doi.org/10.5515/kjkiees.2010.21.4.381