Publications
SCIE
[2024]
W.-M. Kim, Y.-K. Cho, and S.-W. Lee, "A Novel Primary Side Regulation Method for Fly-back Converter with Peak Detection Circuit in CCM/DCM," IEEE Transactions on Industrial Electronics, Submitted. (Equally Contributed Corresponding Author)
Y.-K. Cho, "A Dual-Mode Continuous-Time Sigma-Delta Modulator with Switchable Loop Filter Based on Single Op-amp Resonator," IEEE Transactions on Very Large Scale Integration Systems, Accepted.
S.-J. Yoon, G. H. Lee, J.N. Lee, and Y.-K. Cho, "An Angled Bridge-Connected Magneto-Electric Dipole Antenna for 5G Millimeter-Wave Broadband Applications," IEEE Antennas and Wireless Propagation Letters, Early Access, 10.1109/LAWP.2024.3382968.
G.-S. Lim, W.-M. Kim, Y.-K. Cho, and S.-W. Lee, "Quasi-Resonant Fly-Buck Converter with Active Switching for Improved Output Voltage Boosting and Regulation," IEEE Transactions on Industrial Electronics, Early Access, 10.1109/TIE.2023.3344819 (Equally Contributed Corresponding Author).
G. H. Lee, S.-J. Yoon, J.N. Lee, and Y.-K. Cho, "A Slotted Waveguide Array Antenna with Magneto-Electric Dipole Radiator for High Gain Millimeter-Wave Applications," IEEE Access, vol. 12, pp. 69301-69309, 2024.
Y.-K. Cho, "A Single Op-amp Resonator-Based Continuous-Time Sigma-Delta Modulator with Time-Division Switching for Excess Loop Delay Compensation," IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 71, No. 4, pp. 1789-1793, 2024.
[2023]
Jae-Eun Lee, Young-Kyun Cho*, Choul-Young Kim, “Compact size buck converter using small output capacitance with pole-tuning technique,” Microelectronics Journal, Vol. 135, 105743, 2023. (Equally Contributed Corresponding Author)
[2022]
S.-H. Cho and Y.-K. Cho, “A 1.2 V 0.4 mW 20~200 MHz DLL Based on Phase Detector Measuring the Delay of VCDL,” Electronics, Vol. 11, 2434, 2022.
S.-W. Lee, M.-S. Kim, and Y.-K. Cho, "Slam Control Method for Improving Light Load Efficiency of Boost Converter," IEEE Transactions on Power Electronics, Vol. 37, No. 1, pp. 42-48, 2022.
Y.-K. Cho, J.-W. Nam, and S.-W. Lee, "A Low-Power Class-C Voltage-Controlled Oscillator with Robust Start-Up and Compact High-Q Capacitor Array," IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 69, No. 3, pp. 819-823, 2022.
J.-N. Lee, S. B. Hyun, and Y.-K. Cho, "Compact Ultra-Wideband Chip Antenna with Bandwidth Extension Patch and Simple Isolator for MIMO System for Mobile Handheld Terminals," J. Electromagnetic Eng. Science, vol. 22, No. 3, pp. 272-282, 2022.
J.-W. Nam, Y.-K. Cho, Y. K. Lee, "Regression Model-based AMS Circuit Optimization Technique Utilizing Parameterized Operating Condition," Electronics, Vol. 11, 2022.
[2021]
S.-W. Lee and Y.-K. Cho, "Single-Stage Wireless Battery Charging Circuit with Coupling Coefficient Prediction," Electronics, Vol. 10, 2615, 2021.
[2020]
1. J. Hur, I.-J. Nam, Y.-K. Cho, D.-J. Kim, E.-S. Jo, S. Lee, C.-K. Kim, G.-B. Lee, C. H. Kim, S. B. Hyun, D. Kim, and Y.-K. Choi, “Reconfigurable Beamforming Silicon Plasma Antenna with Vertical PIN Diode Array,” Advanced Electronic Materials, Vol. 6, Issue. 11, 2020. (Equally Contributed First Author)
2. J.N. Lee, Y.-K. Cho, J.H. Jung, and S.B. Hyun, “High-gain sub-terahertz lens horn antenna with a metal guide,” Electronics Letters, Vol. 56, Issue. 14, pp. 689-691, 2020.
3. Young-Kyun Cho, Bong Hyuk Park, and Seok-Bong Hyun, “Delta-Sigma Modulator-Based Step-Up DC–DC Converter with Dynamic Output Voltage Scaling,” Electronics, Vol. 9, Issue. 3, 498, 2020.
4. Young-Kyun Cho and Kwang-Chun Lee, "Noninverting Buck-Boost Converter Using a Duobinary-Encoded Single-Bit Delta-Sigma Modulator," IEEE Transactions on Power Electronics, Vol. 35, No. 1, pp. 484-495, 2020.
[2018]
1. Young-Kyun Cho, Myung-Don Kim, and Choul-Young Kim, "A Low Switching-Noise and High-Efficiency Buck Converter Using a Continuous-Time Reconfigurable Delta-Sigma Modulator," IEEE Transactions on Power Electronics, Vol. 33, No. 12, pp. 10501-10511, 2018.
2. Da-Jin Kim, Eon-Seok Jo, Young-Kyun Cho, Jae Hur, Choong-Ki Kim, Cheol Ho Kim, Bonghyuk Park, Dongho Kim, and Yang-Kyu Choi, “A frequency reconfigurable dipole antenna with solid-state plasma in silicon,” Scientific Reports, 8, Article numver:14996, 2018. (Equally Contributed First Author)
3. Young-Kyun Cho, Myung-Don Kim, and Choul-Young Kim, "A Low-Power Continuous-Time Delta-Sigma Modulator Using Resonant Single Op-Amp Third-Order Loop Filter," IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 65, No. 7, pp. 854-858, 2018.
[2017]
1. Da-Jin Kim, Jang-Soon Park, Cheol Ho Kim, Jae Hur, Choong-Ki Kim, Young-Kyun Cho, Jun-Bong Ko, Bonghyuk Park, Dongho Kim, and Yang-Kyu Choi, “Reconfigurable Yagi-Uda antenna based on a silicon reflector with a solid-state plasma,” Scientific Reports, 7, Article numver:17232, 2017.
2. Young-Kyun Cho, Bong Hyuk Park, and Choul-Young Kim, “Wideband and multiband long-term evolution transmitter using envelope delta-sigma modulation technique,” Analog Integr. Circ. Sig. Process, Vol. 91, No. 1, pp. 155-162, 2017.
[2016]
1. Young-Kyun Cho, Bong Hyuk Park, and Choul-Young Kim, “5.2mW 61dB SNDR 15 MHz Bandwidth CT DS Modulator using single operational amplifier and single feedback DAC,” ETRI Journal, Vol. 38, No. 2, pp. 217-226, 2016.
[2015]
1. Sung Jun Lee, Young-Kyun Cho, and Jae Ho Jung, “Compensation technique for time alignment of envelope and phase paths in an envelope delta-sigma modulator,” Electronics Express, vol. 12, No. 13, pp. 1-6, 2015.
2. Young-Kyun Cho and Bong Hyuk Park, “Single op-amp second-order loop filter for continuous-time delta–sigma modulators,” Electronics Letters, Vol. 51, No. 8, pp. 619-621, 2015.
[2014]
1. Yongho Seo, Young-Kyun Cho, Seong Gon Choi, and Changwan Kim, “3-Level Envelope Delta-Sigma Modulation RF Signal Generator for High-Efficiency Transmitters,” ETRI Journal, Vol. 36, No. 6, pp. 924-930, 2014
[2011]
1. Young-Kyun Cho, Young-Deuk Jeon, Jae-Won Nam, and Jong-Kee Kwon, “A 10-bit 30-MS/s successive approximation register analog-to-digital converter for low-power sub-sampling applications,” Microelectronics Journal, Vol. 42, pp. 1335-1342, 2011.
2. Jae-Won Nam, Young-Deuk Jeon, Young-Kyun Cho, and Jong-Kee Kwon, “A 12-bit200-MS/s pipelined A/D converter with sampling skew reduction technique,” Microelectronics Journal, Vol. 42, pp. 1225-1230, 2011.
[2010]
1. Young-Kyun Cho, Young-Deuk Jeon, Jae-Won Nam, and Jong-Kee Kwon, “A 9-bit 80 MS/s Successive Approximation Register Analog-to-Digital Converter With a Capacitor reduction Technique,” IEEE Trans. Circuits Syst. II, Exp., Briefs, vol. 57, no. 7, pp. 502-506, Jul. 2010.
[2009]
1. Young-Deuk Jeon, Young-Kyun Cho, Jae-Won Nam, Seung-Chul Lee, and Jong-Kee Kwon, “A 1.2 V 12 b 60 MS/s CMOS Analog Front-End for Image Signal Processing Applications,” ETRI Journal, Vol. 31, No. 6, pp. 717-724, 2009.
2. Young-Kyun Cho, Young-Deuk Jeon, and Jong-Kee Kwon, “Switched-Capacitor Variable Gain Amplifier with Operational Amplifier Preset Technique,” ETRI Journal, Vol. 31, No. 2, pp. 234-236, 2009.
[2007]
1. Young-Kyun Cho, T.M. Roh, J.-K. Kwon and J. Kim, “Selective oxidation fin channel MOSFETs with low source/drain series resistance,” Electronics Letters, Vol. 43, No. 13, pp. 734-735, 2007.
[2006]
1. Young-Kyun Cho, TaeMoon Roh, and Jongdae Kim, “A New Strained-Si Channel High Voltage MOSFET for High Performance Power Applications,” ETRI Journal, Vol. 28, No. 2, pp. 253-256, 2006.
[2004]
1. Young-Kyun Cho, and Yoon-Ha Jeong, “Single-Electron Pass-Transistor Logic with Multiple Tunnel Junctions and Its Hybrid Circuit with MOSFETs,” ETRI Journal, Vol. 26, No. 6, pp. 669-672, 2004.
International Patent Registration
[2022]
1. Young-Kyun Cho, Heon Kook Kwon, Kwang Seon Kim, Tae Joong Kim, Kwangchun Lee, Jae Ho Jung, “DC-DC Converter Providing Multiple Operation Modes Using Multi-mode Controller,” US 11,398,780 B2, Jul. 26, 2022
2. Young-Kyun Cho, Tae Joong Kim, Kwang Chun Lee, Jung Nam Lee, Jae Ho Jung, “Boost DC-DC Converter using DSM duty controller and method for configuring duty controller,” US 11,290,014 B2, Mar. 29, 2022
[2021]
1. Young-Kyun Cho, Cheol Ho Kim, Bong Hyuk Park, Kwangchun Lee, Seok Bong Hyun, “Semiconductor-based beamforming antenna,” US 11,038,265 B2, June 15, 2021
[2019]
1. Young-Kyun Cho, Myung Don Kim, and Seok Bong Hyun, “BUCK-BOOST CONVERTER USING DELTA-SIGMA MODULATOR,” US 10,505,448 B2, Dec. 10, 2019
2. Young-Kyun Cho, Myung Don Kim, and Seok Bong Hyun, “POWER CONVERTER AND DEAD-TIME CONTROL CIRCUIT THEREFOR,” US 10,491,105 B1, Nov. 26, 2019
3. Young-Kyun Cho, Cheol Ho Kim, Bong Hyuk Park, Kwangchun Lee, Jae Ho Jung, and Seok Bong Hyun, “VOLTAGE COMPARATOR, VOLTAGE COMPARISON METHOD OF THE SAME, AND RESET METHOD OF THE SAME,” US 10,461,725 B2, Oct. 29, 2019
4. Young-Kyun Cho, Myung-Don Kim, Seok Bong Hyun, Bong Hyuk Park, and Cheol Ho Kim, “Switch Mode Power Supply Using a Reconfigurable Delta-Sigma Modulator And Method of Driving The Same,” US 10,418,898 B2, Sep. 17, 2019
5. Cheol Ho Kim, Dong Seung Kwon, Bonghyuk Park, and Young-Kyun Cho, “Vertical PIN Diode,” US 10,170,641 B2, Jan. 1, 2019
[2018]
1. Young-Kyun Cho, Cheol Ho Kim, and Bong Hyuk Park, “Semiconductor Plasma Antenna Apparatus.” US 10,147,583 B2, Dec. 4, 2018
2. Young-Kyun Cho and Bong Hyuk Park, “CONTINUOUS DELTA-SIGMA MODULATOR FOR SUPPORTING MULTI-MODE,” US 10,063,252 B2, Aug. 28, 2018
[2017]
1. Young-Kyun Cho, Bong Hyuk Park, Jung Hoon Oh, “THIRD ORDER LOOP FILTER AND DELTA-SIGMA MODULATOR INCLUDING THE THIRD ORDER LOOP FILTER,” US 9,800,261 B2, Oct. 24, 2017
2. Young-Kyun Cho, Bong Hyuk Park, Jung Hoon Oh, Jung Nam Lee, Gweon Do Jo, “SMART ANTENNA SYSTEM AND METHOD FOR IMPROVING RECEIVING PERFORMANCE THEREOF,” US 9,755,321 B2, Sep. 5, 2017
[2016]
1. Young-Kyun Cho, Bong Hyuk Park, Jae Ho Jung, “Loop filter for data converter in wireless communication system and method of implementing corresponding loop filter,” US 9,496,890 B2, Nov. 5, 2016
2. Jaewon Nam, Young-Kyun Cho, Hui-dong Lee, Yil Suk Yang, Jong-Kee Kwon, Jongdae Kim, “Motor control device and method of controlling the same,” US 9,490,734 B2, Nov. 8. 2016
3. Young-Kyun Cho, Jae Ho Jung, Kwang Chun Lee, “Fully differential signal system including common mode feedback circuit,” US 9,479,120 B2, Oct. 25, 2016
4. Young-Kyun Cho, Jae Ho Jung, Kwang Chun Lee, “Second order loop filter and multi-order delta-sigma modulator including the same,” US 9,356,618 B2, May 31. 2016
5. Seung Hyun Jang, Young-Kyun Cho, Sung Jun Lee, Bong Hyuk Park, Jae Ho Jung, Kwang Chun Lee, “Signal transmission device adjusting electrical characteristic value corresponding to logic level and signal transmitting method thereof,” US 9,300,513 B2, Mar. 29, 2016
6. Seung Hyun Jang, Sung Jun Lee, Young-Kyun Cho, Bong Hyuk Park, Jae Ho Jung, Kwang Chun Lee, “Signal amplification apparatus and method,” US 9,295,001 B2, Mar. 22, 2016
[2015]
1. Young-Kyun Cho, Sung Jun Lee, Seung Hyun Jang, Bong Hyuk Park, Jae Ho Jung, Kwang Chun Lee, “Apparatus and method for generating differential signal, and transmission apparatus and method having the same,” US 9,210,005 B2, Dec. 8, 2015
2. Sung-Jun Lee, Young-Kyun Cho, Seung Hyun Jang, Bong Hyuk Park, Jae Ho Jung, Kwang Chun Lee, “Method of correcting time misalignment between envelope and phase components,” US 9,143,310 B2, Sep. 22, 2015
3. Young-Kyun Cho, Jae Ho Jung, Kwang Chun Lee, “Delta-Sigma Modulator,” US 9,143,145 B2, Sep. 2, 2015.
4. Young-Kyun Cho, Sung Jun Lee, Seung Hyun Jang, Bong Hyuk Park, Jae Ho Jung, Kwang Chun Lee, “Delta-Sigma Modulator And Transmitter including the same,” US 9,041,281 B2, Apr, 21, 2015
[2014]
1. Young-Kyun Cho, Hui Dong Lee, Jaewon Nam, Jong-Kee Kwon, “SENSORLESS BLDC MOTOR SYSTEMS AND DRIVING METHODS OF SENSORLESS BLDC MOTOR,” US 8,836,259 B2, Sep. 16, 2014
2. Young-Kyun Cho, Jae Ho Jung, Kwang Chun Lee, “APPARATUS AND METHOD FOR CALIBRATING OFFSET VOLTAGE AND CONTINUOUS TIME DELTA-SIGMA MODULATION APPARATUS INCLUDING THE SAME,” ., Jun. 29, 2014
3. Young-Kyun Cho, Jae Ho Jung, Kwang Chun Lee, “Bandgap reference voltage generator,” US 8,791,685 B2, Jun. 29, 2014
4. Young-Kyun Cho, Bong Hyuk Park, Jae Ho Jung, “APPARATUS AND METHOD FOR CALIBRATING TIME CONSTANT, AND LOW PASS DELTA SIGMA MODULATION APPARATUS INCLUDING THE SAME,” US 8,749,414 B2, Jun. 10, 2014
5. Jaewon Nam, Young-Kyun Cho, Yilsuk Yang, “ANALOG-DIGITAL CONVERTER AND POWER SAVING METHOD THEREOF,” US 8,692,702 B2, Apr. 8, 2014
6. Young-Kyun Cho, Jae Ho Jung, “SUCCESSIVE APPROXIMATION REGISTER ANALOG-TO-DIGITAL CONVERTER AND OPERATION METHOD THEREOF,” US 8,659,463 B2, Feb. 25, 2014
[2013]
1. Hui Dong Lee, Jaewon Nam, Young-Kyun Cho, Jong-Kee Kwon, Yil Suk Yang, Jongdae Kim, “TRIANGULAR WAVE GENERATOR AND METHOD GENERATING TRIANGULAR WAVE THEREOF,” US 8,604,845 B2, Dec. 10, 2013
2. Jae-Won Nam, Young-Duek Jeon, Young-Kyun Cho, Jong-Kee Kwon, “Pipelined Analog Digital Converter,” US 8,564,469 B2, Oct. 22, 2013
3. Young-Deuk Jeon, Yong-Kyun Cho, Jae-Won Nam, Jong-Kee Kwon, “Reference Voltage Supply circuit including a glitch remover,” US 8,547,081 B2, Oct. 1, 2013
4. Young-Deuk Jeon, Yong-Kyun Cho, Jae-Won Nam, Jong-Kee Kwon, “Analog Digital Converter,” US 8,531,328 B2, Sep. 10, 2013
5. Jae-Won Nam, Young-Duek Jeon, Young-Kyun Cho, Jong-Kee Kwon, “Pipelined Analog Digital Converter,” US 8,508,392 B2, Aug. 13, 2013
6. Yong-Kyun Cho, Young-Deuk Jeon, Jae-won Nam, Jong-Kee Kwon, “Analog Digital Converting Device,” US 8,362,938 B2, Jan. 29, 2013
[2012]
1. Yong-Kyun Cho, Young-Deuk Jeon, Jae-won Nam, Jong-Kee Kwon, “Offset voltage calibration circuit,” US 8,264,268 B2, Sep. 11, 2012
2. Yong-Kyun Cho, Young-Deuk Jeon, Jong-Kee Kwon, Jong Dae Kim, “Successive approximation register analog-to-Digital Converter and method for operating the same,” US 8,164,504 B2, Apr. 24, 2012
3. Jae-Won Nam, Young-Duek Jeon, Young-Kyun Cho, Jong-Kee Kwon, “Pipeline Analog-to-Digital Converter,” US 8,164,497 B2, Apr. 24, 2012
4. Young-Kyun Cho, Tae-Moon Roh, Jong-Dae Kim, “Multiple-gate MOS transistor using Si substrate and method of manufacturing the same,” US 8,164,137 B2, Apr. 24, 2012
[2011]
1. Yong-Kyun Cho, Young-Deuk Jeon, Jong-Kee Kwon, Jong Dae Kim, “Dual CDS_PXGA circuit for adjusting gain of an amplifier based on capacitance,” US 8,063,961 B2, Nov. 22, 2011
2. Yong-Kyun Cho, Young-Deuk Jeon, Jae-won Nam, Jong-Kee Kwon, “Band-gap reference voltage generator,” US 8,058,863 B2, Nov. 15, 2011
3. Yong-Kyun Cho, Young-Deuk Jeon, Jae-won Nam, Jong-Kee Kwon, “Digital-to-Analog Converter,” US 8,059,022 B2, Nov. 15, 2011
4. Young-Deuk Jeon, Yong-Kyun Cho, Jong-Kee Kwon, Jong Dae Kim, “Multi-stage successive approximation register analog-to-digital converter and analog-to-digital converting method using the same,” US 7,999,719 B2, Aug. 16, 2011
5. Yong-Kyun Cho, Young-Deuk Jeon, Jae-won Nam, Jong-Kee Kwon, “High-Speed Multi-stage Voltage Comparator,” US 7,977,979 B2, Jul. 12, 2011
6. Young-Deuk Jeon, Young-Kyun Cho, Jae-won Nam, Jong-Kee Kwon, “Multi-stage Dual Successive Approximation Register Analog-to-Digital Converter and Method of Performing Analog-to-Digital Conversion using the same,” US 7,978,117 B2, Jul. 12, 2011
7. Yong-Kyun Cho, Young-Deuk Jeon, Jae-won Nam, Jong-Kee Kwon, “Successive Approximation register Analog-Digital Converter and method of Driving the Same,” US 7,893,860 B2, Feb. 22, 2011
[2010]
1. Jae-won Nam, Young-Deuk Jeon, Young-Kyun Cho, Jong-Kee Kwon, “Algorithmic analog-to-digital converter,” US 7,847,713 B2, Dec. 7, 2010
2. Young-Kyun Cho, Tae-Moon Roh, Jong-Dae Kim, “Dual Structure Finfet and method of manufactureing the same,” US 7,759,737 B2, Jul. 20, 2010
3. Yong-Kyun Cho, Young-Deuk Jeon, Jong-Kee Kwon, Jong-Dae Kim, “Switched Capacitor variable gain amplifier having high voltage gain linearity,” US 7,696,819 B2, Apr. 13, 2010
4. Young-Deuk Jeon, Young-Kyun Cho, Kwi-dong Kim, Jong-Kee Kwon, Jong-Dae Kim, “Gain amplifier having switched-capacitor structure for minimizing settling time,” US 7,683,706 B2, Mar. 23, 2010
[2009]
1. Young-Kyun Cho, Tae-Moon Roh, Jong-Dae Kim, “Multiple-gate MOS transistor using Si substrate and method of manufacturing the same,” US 7,605,039 B2, Oct., 20, 2009
2. Sung-Ku Kwon, Young-Kyun Cho, Jong-Dae Kim, “Manufacturing of silicon on insulator wafer,” US 7,601,614 B2, Oct., 13, 2009
3. Young-Deuk Jeon, Young-Kyun Cho, Kwi-dong Kim, Jong-Kee Kwon, Jong-Dae Kim, Seung-Chul Lee, “Method of controlling pipeline analog-to-digital converter and pipeline analog-to-digital converter implementing the same,” US 7,583,219 B2, Sept. 01, 2009
[2008]
1. Young-Kyun Cho, Sung-Ku Kwon, TaeMoon Roh, Daewoo Lee, and Jongdae Kim, “Multiple-gate MOS transistor and a method of manufacturing the same,” US 7,332,774 B2, Feb. 19, 2008 (Saled Patent)
[2007]
1. Young-Kyun Cho, Sung-Ku Kwon, TaeMoon Roh, Daewoo Lee, and Jongdae Kim, “High voltage MOSFET having Si/SiGe heterojunctions structure and method of manufacturing the same,” US 7,233,018 B2, Jun. 19, 2007 (Saled Patent)
2. Young-Kyun Cho, Sung-Ku Kwon, TaeMoon Roh, Daewoo Lee, and Jongdae Kim, “Method of manufacturing multiple-gate MOS transistor having improved channel structure,” US 7,208,356 B2, Apr. 24, 2007 (Saled Patent)