Wooyeol Choi
Wooyeol Choi
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A V-band micromachined 2-D beam-steering antenna driven by magnetic force with polymer-based hinges
CW Baek, S Song, JH Park, S Lee, JM Kim, W Choi, C Cheon, YK Kim, ...
IEEE transactions on microwave theory and techniques 51 (1), 325-331, 2003
A Perspective on Terahertz Next-Generation Wireless Communications
JF O’Hara, S Ekin, W Choi, I Song
Technologies 7 (2), 43, 2019
A non-contact-type RF MEMS switch for 24-GHz radar applications
J Park, ES Shim, W Choi, Y Kim, Y Kwon, D Cho
journal of microelectromechanical systems 18 (1), 163-173, 2009
V-band reflection-type phase shifters using micromachined CPW coupler and RF switches
JH Park, HT Kim, W Choi, Y Kwon, YK Kim
Journal of microelectromechanical systems 11 (6), 808-814, 2002
85-to-127 GHz CMOS signal generation using a quadrature VCO with passive coupling and broadband harmonic combining for rotational spectroscopy
J Zhang, N Sharma, W Choi, D Shim, Q Zhong, KO Kenneth
IEEE Journal of Solid-State Circuits 50 (6), 1361-1371, 2015
A 210-to-305GHz CMOS receiver for rotational spectroscopy
Q Zhong, W Choi, C Miller, R Henderson, KK O
2016 IEEE International Solid-State Circuits Conference (ISSCC), 426-427, 2016
A V-Band Switched Beam-Forming Antenna Module Using Absorptive Switch Integrated With 4 4 Butler Matrix in 0.13-μm CMOS
W Choi, K Park, Y Kim, K Kim, Y Kwon
IEEE transactions on microwave theory and techniques 58 (12), 4052-4059, 2010
Opening terahertz for everyday applications
KO Kenneth, W Choi, Q Zhong, N Sharma, Y Zhang, R Han, Z Ahmad, ...
IEEE Communications Magazine 57 (8), 70-76, 2019
Scalable small-signal modeling of RF CMOS FET based on 3-D EM-based extraction of parasitic effects and its application to millimeter-wave amplifier design
W Choi, G Jung, J Kim, Y Kwon
IEEE Transactions on Microwave Theory and Techniques 57 (12), 3345-3353, 2009
300-GHz CMOS QPSK transmitter for 30-Gbps dielectric waveguide communication
Q Zhong, Z Chen, N Sharma, S Kshattry, W Choi, KO Kenneth
2018 IEEE Custom Integrated Circuits Conference (CICC), 1-4, 2018
200–280GHz CMOS RF front-end of transmitter for rotational spectroscopy
N Sharma, Q Zhong, Z Chen, W Choi, JP McMillan, CF Neese, R Schueler, ...
2016 IEEE Symposium on VLSI Technology, 1-2, 2016
High-Efficiency Power Amplifier Using Active 2nd Harmonic Injection Technique Under Optimized 3rd Harmonic Termination
M Seo, H Lee, J Gu, H Kim, J Ham, W Choi, Y Yun, K KO, Y Yang
IEEE, 2014
X-to-K band broadband watt-level power amplifier using stacked-FET unit cells
Y Park, Y Kim, W Choi, J Woo, Y Kwon
2011 IEEE Radio Frequency Integrated Circuits Symposium, 1-4, 2011
160–310 GHz frequency doubler in 65-nm CMOS with 3-dBm peak output power for rotational spectroscopy
N Sharma, W Choi, KO Kenneth
2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 186-189, 2016
CMOS terahertz receivers
Q Zhong, WY Choi, DY Kim, Z Ahmad, R Xu, Y Zhang, R Han, S Kshattry, ...
2018 IEEE Custom Integrated Circuits Conference (CICC), 1-8, 2018
W-band divide-by-3 frequency divider using 0.1 μm InAlAs/InGaAs metamorphic HEMT technology
J Jeong, S Kim, W Choi, H Noh, K Lee, KS Seo, Y Kwon
Electronics Letters 41 (18), 1005-1006, 2005
410-GHz CMOS imager using a 4 th sub-harmonic mixer with effective NEP of 0.3 fW/Hz 0.5 at 1-kHz noise bandwidth
W Choi, Z Ahmad, A Jha, JY Lee, I Kim, KO Kenneth
2015 Symposium on VLSI Circuits (VLSI Circuits), C302-C303, 2015
85-to-127 GHz CMOS transmitter for rotational spectroscopy
N Sharma, J Zhang, Q Zhong, W Choi, JP McMillan, CF Neese, ...
Proceedings of the IEEE 2014 Custom Integrated Circuits Conference, 1-4, 2014
Broadband Root-Mean-Square Detector in CMOS for On-Chip Measurements of Millimeter-Wave Voltages
C Lee, W Choi, R Han, H Shichijo, KO Kenneth
Electron Device Letters, IEEE 33 (6), 752-754, 2012
60 GHz broadband image rejection receiver using varactor tuning
J Kim, W Choi, Y Park, Y Kwon
2010 IEEE Radio Frequency Integrated Circuits Symposium, 381-384, 2010
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