Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Myoungbo Kwak"'
Autor:
Kyoung-Jun Roh, Min-Ki Jeon, Jaewoo Park, Myoungbo Kwak, Chi-Weon Yoon, Youngdon Choi, Jung-Hwan Choi
Publikováno v:
2022 IEEE Asian Solid-State Circuits Conference (A-SSCC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a414f871f4a124b83954f130cf721b4e
https://doi.org/10.1109/a-sscc56115.2022.9980700
https://doi.org/10.1109/a-sscc56115.2022.9980700
Autor:
Chulhee Cho, Kwangho Kim, Manho Lee, Jaeyoung Shin, Sungjin Yoon, Youngjae Lee, Chayoung Song, Wooshin Choi, Myoungbo Kwak, Youngdon Choi, Jung-Hwan Choi, Hyungjong Ko
Publikováno v:
2022 IEEE 31st Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f718bfea65db61516ac1f9332f8b8853
https://doi.org/10.1109/epeps53828.2022.9947193
https://doi.org/10.1109/epeps53828.2022.9947193
Autor:
Calogero D. Presti, Donald F. Kimball, Peter M. Asbeck, Jonmei J. Yan, Antonino Scuderi, Lawrence E. Larson, Myoungbo Kwak, Carmelo Santagati
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 60:1850-1861
A high-performance bipolar-CMOS-DMOS (BCD) monolithic envelope amplifier for micro-base-station power amplifiers (PAs) is presented. Measurement of the BCD high-voltage (VDD = 15 V) envelope amplifier shows an efficiency of 72% using 7.7-dB peak-to-a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4f89efb8a46bbefb264bd3e674daf1f
https://doi.org/10.1109/tmtt.2012.2184128
https://doi.org/10.1109/tmtt.2012.2184128
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 57:3307-3314
This paper presents a new technique to reduce the bandwidth of the dynamic power supply waveform used in wideband envelope tracking power amplifiers (PAs). When the envelope tracking technique is applied to broadband signals such as WCDMA and 3GPP LT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76ffa640a26f2c116ca19c23a856fb58
https://doi.org/10.1109/tmtt.2009.2033298
https://doi.org/10.1109/tmtt.2009.2033298
Autor:
Lawrence E. Larson, Peter M. Asbeck, Thomas Landon, Myoungbo Kwak, Craig Steinbeiser, Chin Hsia, Donald F. Kimball, Jinseong Jeong, Paul Draxler, Oleh Krutko
Publikováno v:
IEEE Journal of Solid-State Circuits. 44:2629-2639
A record high-performance GaAs high-voltage HBT (HVHBT)-based WCDMA base-station power amplifier is presented, which uses an envelope tracking bias system to achieve high efficiency and linearity. A wideband envelope amplifier provides dynamic collec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78dad99421857e7a74ab5c56ad76f33f
https://doi.org/10.1109/jssc.2009.2026845
https://doi.org/10.1109/jssc.2009.2026845
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 57:2148-2159
Wideband code division multiple access (WCDMA) base-station RF amplifiers using a variety of device technologies including GaN field-effect transistors (FETs), Si LDMOS, and GaAs high-voltage heterojunction bipolar transistors (HVHBTs) are modeled, o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a260a60ec7de3e156d19ec7ef378f5d
https://doi.org/10.1109/tmtt.2009.2027075
https://doi.org/10.1109/tmtt.2009.2027075
Autor:
Muhammad Hassan, Jinseong Jeong, Peter M. Asbeck, Lawrence E. Larson, Myoungbo Kwak, Donald F. Kimball, Jomei J. Yan
Publikováno v:
2012 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications.
A high efficiency wideband envelope tracking power amplifier for LTE applications is presented. The CMOS envelope amplifier with direct current sensing has a measured average efficiency of 78% with a 5 MHz LTE signal. The envelope tracking power ampl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2273456222ef76baf25fd487054191c
https://doi.org/10.1109/pawr.2012.6174933
https://doi.org/10.1109/pawr.2012.6174933
Autor:
Donald F. Kimball, Chin Hsia, Peter M. Asbeck, Lawrence E. Larson, Jonmei J. Yan, Myoungbo Kwak, Muhammad Hassan, Vincent W. Leung
Publikováno v:
2011 IEEE Radio Frequency Integrated Circuits Symposium.
A high efficiency wideband envelope tracking power amplifier with low quiescent power is presented. The CMOS envelope amplifier has a combined linear amplifier and switching amplifier to achieve high efficiency and wider bandwidth. Quiescent power of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::465ccac2b2c97a0ce014b7289551f696
https://doi.org/10.1109/rfic.2011.5940618
https://doi.org/10.1109/rfic.2011.5940618
Autor:
Calogero D. Presti, Antonino Scuderi, Carmelo Santagati, Donald F. Kimball, Jonmei J. Yan, Myoungbo Kwak, Peter M. Asbeck, Lawrence E. Larson
Publikováno v:
2011 IEEE Radio Frequency Integrated Circuits Symposium.
This paper presents a high performance BCD (Bipolar-CMOS-DMOS) monolithic envelope tracking IC to achieve high efficiency and linearity for micro-base station power amplifier applications. Measurement of the BCD high voltage (Vdd = 15 V) envelope amp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86eb9d022787c304c4906098e37880b0
https://doi.org/10.1109/rfic.2011.5940621
https://doi.org/10.1109/rfic.2011.5940621
Publikováno v:
2010 IEEE Radio and Wireless Symposium (RWS).
This paper presents a new technique to reduce the peak-to-average power ratio (PAPR) of the RF input signals used in envelope tracking (ET) power amplifiers without degrading the linearity and efficiency performance of the RF stages. Due to heavy gai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08ee5c0d0ccfd0206f62c7077642985f
https://doi.org/10.1109/rws.2010.5434221
https://doi.org/10.1109/rws.2010.5434221