Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Wooseung Choo"'
Autor:
Sung-Gi Yang, Heeseon Shin, Sangsoo Ko, Byoungjoong Kang, Jinhyuck Yu, Byeong-Ha Park, Wooseung Choo, Won Ko
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 59:1539-1551
A cascode bipolar low-noise amplifier (LNA) with capacitive shunt feedback has been developed to present a solution for simultaneous noise and power match when the real part of the optimum source impedance is not 50 Ω in order to keep high current d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06f5ea21c524915db104d5046742cc61
https://doi.org/10.1109/tmtt.2011.2136355
https://doi.org/10.1109/tmtt.2011.2136355
Publikováno v:
IEEE Journal of Solid-State Circuits. 41:1535-1541
A second-order intercept point (IP2) calibration technique is developed using common-mode feedback (CMFB) circuitry in a direct-conversion receiver for wireless CDMA/PCS/GPS/AMPS applications. The IP2 calibrator is capable of providing different CMFB
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cebd10136969cb6b3c973dc83089acc0
https://doi.org/10.1109/jssc.2006.873926
https://doi.org/10.1109/jssc.2006.873926
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 54:2098-2105
A highly integrated direct conversion receiver for cellular code division multiple access (CDMA) and GPS applications is successfully developed using a 0.5-/spl mu/m SiGe BiCMOS technology. The receiver consists of two low-noise amplifiers (LNAs), a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd0066d4cec6ae71927f8f7c8e2758d6
https://doi.org/10.1109/tmtt.2006.872807
https://doi.org/10.1109/tmtt.2006.872807
Publikováno v:
IEEE Microwave and Wireless Components Letters. 20:169-171
This letter describes a dual-path LC voltage controlled oscillator (VCO) design that reduces both coarse-tuning and fine-tuning sensitivities. By using a combination of discrete and continuous tuning methods for the coarse-tuning control, a very high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a46302f85c409dfaf863facdaf9ada3
https://doi.org/10.1109/lmwc.2010.2040221
https://doi.org/10.1109/lmwc.2010.2040221
Autor:
Sanghoon Kang, Jong-Dae Bae, Taewan Kim, Byeong-Ha Park, Huijung Kim, Ho-Jin Park, BongDae Lee, Jeong-Hyun Choi, Wooseung Choo
Publikováno v:
2011 IEEE Radio Frequency Integrated Circuits Symposium.
A dual-band digital TV tuner for CMMB application SoC is presented. The single-chip SoC satisfies all requirements of CMMB application with margin. Moreover, the SoC meets the GSM IOP which means the co-operation GSM transmitter and mobile TV recepti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::394f96c48db0b857545ae7e00de4a89a
https://doi.org/10.1109/rfic.2011.5940675
https://doi.org/10.1109/rfic.2011.5940675
Autor:
Heeseon Shin, Sangsoo Ko, Sung-Gi Yang, Byoungjoong Kang, Wooseung Choo, Inhyo Ryu, Jounghyun Yim, Byeong-Ha Park, Taewan Kim, Won Ko
Publikováno v:
2010 International SoC Design Conference.
An Ultra-wideband (UWB) transmitter is proposed that can correct phase errors in quadrature local (LO) signals automatically without help of baseband processor (BBP), operating from 3 to 9 GHz in 65 nm CMOS. The measured tuning range for sideband rej
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31163a830ee9dc9e78c7878b4c251f8d
https://doi.org/10.1109/socdc.2010.5682903
https://doi.org/10.1109/socdc.2010.5682903
Autor:
Ji-Soo Chang, Sangyoub Lee, Jinhyuck Yu, Hyunwon Moon, Wooseung Choo, Seungchan Heo, Seung-Il Choi, Byeong-Ha Park, Hwa-Yeal Yu
Publikováno v:
CICC
A fully integrated low-IF GPS receiver with minimum external components is implemented in a 65nm CMOS process. It has an integrated LNA and an active complex bandpass filter with a switchable signal bandwidth of 2MHz or 6 MHz to achieve the SNR impro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de33377baed5b07134bdace61a18146f
https://doi.org/10.1109/cicc.2010.5617450
https://doi.org/10.1109/cicc.2010.5617450
Autor:
Sanghoon Kang, Jeong-Hyun Choi, Jae-Hong Chang, Young Woon Kim, Byeong-Ha Park, Wooseung Choo, Jungwook Heo, Han-Gun Chung, Jong-Dae Bae, Heetae Oh, Huijung Kim, Dojun Rhee, Taek-Won Kwon, Ryan Kim
Publikováno v:
ISSCC
The mobile TV applications such as DVH-H/T, T-DMB/DAB, ISDB-T are recently emerging all over the world. To support various applications, the multistandard and multiband mobile TV RF tuner is developed as a cost-effective and size-effective solution [
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::817a2f351e6bb8f8f9ff43836d057855
https://doi.org/10.1109/isscc.2010.5433847
https://doi.org/10.1109/isscc.2010.5433847
Publikováno v:
2010 IEEE Radio Frequency Integrated Circuits Symposium.
This paper presents a low-noise ΔΣ fractional-N PLL utilizing a mixed-mode triple-input LC VCO. An analog dual-path VCO control relaxes the nonlinearity problem of the ΔΣ fractional-N PLL, while a combination of discrete and continuous tuning met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::831063dcb7acfee1b90bdfc1e3e8f93f
https://doi.org/10.1109/rfic.2010.5477397
https://doi.org/10.1109/rfic.2010.5477397
Autor:
Sanghoon Kang, Jeong-Hyun Choi, Jong-Dae Bae, Wooseung Choo, Jae-Hong Chang, Huijung Kim, Byeong-Ha Park
Publikováno v:
2010 IEEE Radio Frequency Integrated Circuits Symposium.
A triband 65nm CMOS tuner is designed and implemented for first ATSC mobile DTV SoC. It supports VHF-I, VHF-III, and UHF bands. The tuner achieves a 2.5/3.0/4.0dB NF at VHF-I, VHF-III and UHF band respectively, while consuming less than 100mW. By usi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::111129be269b8727fdef1498f0a0d17d
https://doi.org/10.1109/rfic.2010.5477400
https://doi.org/10.1109/rfic.2010.5477400