Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Beom Kyu Ko"'
Publikováno v:
IEEE Microwave and Wireless Components Letters. 13:420-422
A low-power highly linear CMOS RF amplifier circuit composed of a Multiple-Gated common-source FET TRansistor (MGTR) in cascode configuration is reported. In an MGTR amplifier, linearity is improved by using transconductance linearization which can b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb976a83a6434aec683748e4dec0da48
https://doi.org/10.1109/lmwc.2003.818748
https://doi.org/10.1109/lmwc.2003.818748
Autor:
Seong-Mo Moon, Minsu Jeong, Kang Ho Lee, Young-Ho Cho, Bonkee Kim, Bo-Eun Kim, Sangkyu Park, Jin Kim, Wanchul Kong, Jaehong Choi, Beom-Kyu Ko, Sung-Uk Kim, Jae-Young Lee, Kyoungon Yang, Tae-Ju Lee, Heeyong Yoo, Jeiyoung Lee
Publikováno v:
2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium.
A UHF mobile single chip RFID reader is implemented in 0.18 mum CMOS process. Developed IC achieves DA output power of 3 dBm, OIP3 of 14.8 dBm, phase noise of -100 dBc/Hz at 100 kHz offset, noise figure of 35.5 dB for talk mode, 6.2 dB for listen bef
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51c567ba7801439398857a4fd07c8d3f
https://doi.org/10.1109/rfic.2007.380881
https://doi.org/10.1109/rfic.2007.380881
Autor:
Minsu Jeong, Bonkee Kim, Heeyong Yoo, Beom-Kyu Ko, Young-Ho Cho, Tae Wook Kim, Jongsik Kim, Hyunchol Shin, Bo-Eun Kim
Publikováno v:
2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium.
A low power high linear transmitter for mobile WiBro and WiMAX is developed. The transmitter is fabricated in a 0.18 mum 1P6M CMOS process for low power characteristics and SoC compatibility. To achieve high linearity performance with low power consu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58f1dfb26bb4ca45db51a0b56769d405
https://doi.org/10.1109/rfic.2007.380990
https://doi.org/10.1109/rfic.2007.380990
Autor:
Beom Kyu Ko, Kwyro Lee
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 45:1627-1629
In this paper, a new simultaneous impedance-matching technique of /spl Gamma//sub opt/ (optimum noise-match source reflection coefficient) and G/sub max/ (maximum available power gain-match (MAPG) source reflection coefficient) using cascode feedback
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6a06a3ec1cb2af58bf15a91ecda2a7f
https://doi.org/10.1109/22.622931
https://doi.org/10.1109/22.622931
Autor:
Seyeob Kim, Sung-Uk Kim, Jung-Hwan Lee, Minsu Jeong, Seong-Ho Park, Bonkee Kim, Boeun Kim, Young-Uk Oh, Hong-Min Yoon, Yuran Kim, Beom-Kyu Ko, Tae-Ju Lee, Young-Ho Cho, Il Jung, Jin-Kyu Lim, Seong-Hyun Yoon
Publikováno v:
2003 IEEE International Solid-State Circuits Conference, 2003. Digest of Technical Papers. ISSCC..
A direct-conversion satellite tuner-demodulator IC is realized using 0.18/spl mu/m CMOS technology. The IC down-converts a 950-2150MHz satellite broadcasting signal to base band and demodulates the signal to an MPEG data stream. The IC conforms to bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a52e729cb7bdd8a6cdc27468ef8f4007
https://doi.org/10.1109/isscc.2003.1234380
https://doi.org/10.1109/isscc.2003.1234380
Autor:
Young-Jin Kim, Beom-Kyu Ko, Seyeob Kim, Boeun Kim, Mu-Gu Jeong, Tae-Ju Lee, Sung-Uk Kim, Sung-Ho Park, Kyuri Kim, Jin-Kyu Lim
Publikováno v:
2002 Symposium on VLSI Circuits. Digest of Technical Papers (Cat. No.02CH37302).
This paper presents a fully integrated single-chip direct conversion receiver for DBS system. The receiver tunes 950-2150 MHz wide band using integrated low phase noise VCOs and a fractional-N phase locked loop. Fully programmable 2-58 MHz cut-off fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::269e8d69e34189174c39e4a0e0dcbfe8
https://doi.org/10.1109/vlsic.2002.1015094
https://doi.org/10.1109/vlsic.2002.1015094
Publikováno v:
AP-ASIC'99. First IEEE Asia Pacific Conference on ASICs (Cat. No.99EX360).
It is demonstrated that the gain of an amplifier with a large transistor cannot be controlled by bias current but can be controlled effectively by varying the effective emitter inductance. A simple method to control the gain of a driver amplifier is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8298b71c6095cd27960cab2c20996e05
https://doi.org/10.1109/apasic.1999.824033
https://doi.org/10.1109/apasic.1999.824033
Publikováno v:
AP-ASIC'99. First IEEE Asia Pacific Conference on ASICs (Cat. No.99EX360).
This paper presents a quantitative analysis on the cross modulation between transmitter CDMA leakage signal and single tone jammer signal, and some design guidelines for overcoming it in receiver design. The analysis shows that duplexer isolation and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8639bc611b99d42608270a818e5de6b
https://doi.org/10.1109/apasic.1999.824118
https://doi.org/10.1109/apasic.1999.824118
Publikováno v:
ICVC '99. 6th International Conference on VLSI and CAD (Cat. No.99EX361).
Simplified relationship between the intermodulation distortion ratio (IM3) on two tone test and the ACPR in CDMA signal test is derived. Due to better linearity (decreased intermodulation distortion and IMD null) at high power level in class AB ampli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::278c9b228a559100eb9231ed6f9bb318
https://doi.org/10.1109/icvc.1999.820935
https://doi.org/10.1109/icvc.1999.820935
Publikováno v:
Proceedings of International Electron Devices Meeting.
The monolithic inductors and transmission lines on Si substrate with very high Q factor, low insertion loss, and high resonant frequency, are achieved by using very thick polyimide (10 /spl mu/m) as dielectric material, and thick Al (4 /spl mu/m) met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9843094d8376e082ef1e8c7d124b9c4
https://doi.org/10.1109/iedm.1995.499319
https://doi.org/10.1109/iedm.1995.499319