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MECASLAB

2022

 

Kwang-Il Oh and Donghyun Baek, "A 39.8% Locking Range Injection-Locked Quadrature Voltage-Controlled Oscillator Using Fourth-Order Resonator," JSTS, vol. 22, no. 1, p. 10-16, Feb. 2022

 

2021

 

Kwang-Il Oh, Goo-Han Ko, Gwang-Sub Kim, Jeong-Geun Kim, and Donghyun Baek, "A 17.8–34.8 GHz (64.6%) Locking Range Current-Reuse Injection-Locked Frequency Multiplier with Dual Injection Technique,” Electronics, vol. 10, no. 9, p. 1122, May. 2021.

 

Kwang-Il Oh, Goo-Han Ko, Jeong-Geun Kim, and Donghyun Baek, "An 18.8–33.9 GHz, 2.26 mW Current-Reuse Injection-Locked Frequency Divider for Radar Sensor Applications," Sensors, vol.21, no. 7, p. 2551, Apr. 2021.

2020

 

K. -W. Ha, J. -Y. Lee, G. -H. Ko, Y. -J. Kim, J. -G. Kim and D. Baek, "Fully Integrated Dual-Mode X-Band Radar Transceiver Using Configurable Receiver and Local Oscillator," in IEEE Access, vol. 8, pp. 151403-151414, 2020.

 

Lee, J.-Y.; Kim, G.S.; Ko, G.-H.; Oh, K.-I.; Park, J.G.; Baek, D. Low Phase Noise and Wide-Range Class-C VCO Using Auto-Adaptive Bias Technique. Electronics 2020, 9, 1290.

2017

 

Jae-Kyung Lee, Donghyun Baek and Young-Jin Kim, “An IIP2 improved Frontend Receiver using a Mismatch Compensation LNA,” Journal of Semiconductor Technology and Science, vol. 17, no. 5, Oct. 2017. 

 

Jong-Ryul Yang, Seong-Tae Han, and Donghyun Baek, “Differential CMOS Sub-Terahertz Detector with Subthreshold Amplifier,” Sensors, vol. 17, no. 9, p. 2069, Sept. 2017. 

 

Hyuk Ryu, Eun-Taek Sung, Sangyong Park, Ke-Kwang Cho, and Donghyun Baek, “Fast Automatic Frequency Calibrator Using an Adaptive Frequency Search Algorithm,” IEEE Trans. On Very Large Scale Inetegration (VLSI) Systems, vol. 25, no. 4, pp. 1490-1496, Apr. 2017. 

 

Hyuk Ryu, Keum-Won Ha, Eun-Taek Sung, and Donghyun Baek, “Low Phase Noise Series-Coupled VCO using Current-Reuse and Armstrong Topologies,” Journal of Semiconductor Technology and Science, vol. 17, no. 1, pp. 43-47, Feb. 2017. 

 

Je-Kwang Cho, and Donghyun Baek, “Analysis of Memory Effect in Amplifier-Shared Discrete-Time Sigma-Delta Modulators.” Anal. Integ. Circuits and Signal Processing, vol. 90, no. 1, pp. 55-63, Jan. 2017. 

 

Jong-ho Kim, Donghyun Baek, Jeong Woo Lee, “Operating Strategy of Group Device-to-Device Communications underlay Cellular Networks,IEICE Electronics Express, vol. E100-A, no. 1, pp. 312–316, Jan. 2017. 

2019

 

Gwang Sub Kim, Jae Kyung Park, Goo-Han Ko, and, Donghyun Baek, "Capacitor-Less Low-Dropout (LDO) Regulator with 99.99% Current Efficiency using Active Feedforward and Reverse Nested Miller Compensations," IEEE Access, vol. 7, no.1, pp 98630-98638, Jul. 2019.  

 

Jeong-Yun Lee, Kwangsup Kim, Kwang-Il Oh, and Donghyun Baek, "Fully Integrated Low-Ripple Switched-Capacitor DC–DC Converter with Parallel Low-Dropout Regulator," Electronics, vol. 8, no. 1, p. 98, Jan. 2019. 

2018

 

Sangyong Park, Jeong-Yun Lee , Jeong-Geun Kim , and Donghyun Baek, "High isolation and high linearity double-pole double-throw CMOS switch matrix for Ka-band wireless transceiver front-end IC," Microwave and Optical Technology Letters​, vol. 60, no. 10, pp. 2477-2481, Sept. 2018. 

 

Keum-Won Ha, Jeong-Yun Lee, Jeong-Geun Kim, Donghyun Baek, "Design of Dual-mode Local Oscillator using CMOS technology for Human Motion Detecting Sensor," Sensors, vol. 18, no. 4, p. 1057, Apr. 2018.

 

Eun-Taek Sung, Sangyong Park, and Donghyun Baek, "A Fast-Transient Output Capacitor-Less Low-Dropout Regulator Using Active-Feedback and Current-Reuse Feedforward Compensation," Energies, vol. 11, no. 688, pp. 1-11, Mar. 2018.

 

Sangyong Park , Jeong-Yun Lee, Jong-Yeon Lee, Jong-Ryul Yang, and Donghyun Beak, "25–34 GHz Single-Pole, Double-Throw CMOS Switches for a Ka-Band Phased-Array Transceiver," Applied Science, vol. 8, no. 196, p. 196, Jan. 2018.

2016

 

Jang-Hoon Han, Jeong-Geun Kim, and Donghyun Baek, “X-Band 6-Bit Phase Shifter with Low RMS Phase and Amplitude Errors in 0.13-um CMOS Technology.” Journal of Semiconductor Technology and Science, vol. 16, no. 4, pp. 511–519, Aug. 2016. 

 

Hyuk Ryu, Keum-Won Ha, and Donghyun Baek, “A low power quadrature VCO using current-reuse and transformer-based Armstrong topologies,” Electronic Letters, vol. 52, no. 6, pp. 462–464, Mar. 2016. PDF

 

2015

 

Young-Jin Kim, In-Chul Hwang, Sang-Young Park, and Donghyun Baek, “CMOS Transceiver with High Input Dynamic Range and Wide Modulation-Depth for RFID and NFC Readers,” Anal. Integ. Circuits and Signal Processing, vol. 85, no. 2, pp. 343–352, Nov. 2015. (SCI)

 

Hyuk Ryu, Joonhong Park, Keum-Won Ha, and Donghyun Baek, “A Spread Spectrum Clock Generator Using a Programmable Linear Frequency Modulator for Multi-Standard Specifications,” IEEE Trans. on Electromagnetic Compatibility, vol. 57, no. 6, pp. 1447–1456, Jun. 2015. (SCI)

 

Sang-Yong Park, Keun-Won Ha, Jeong-Geun Kim, and Donghyun Baek, “A Multi-bit VCO-based Linear Quantizer with Frequency-to-current Feedback using a Switched-capacitor Structure,” IEIE Transactions on Smart Processing and Computing, vol. 4, no. 3, pp. 145–148, Jun. 2015. (non-SCI)

 

Joonhong Park, Hyuk Ryu, Keum-Won Ha, Jeong-Geun Kim, and Donghyun Baek, “76–81-GHz CMOS Transmitter with a Phase-Locked-Loop-Based Multichirp Modulator for Automotive Radar,” IEEE Trans. on Microw. Theory and Tech., vol. 63, no. 4, pp. 1399–1408, Apr. 2015. (SCI)

 

Keum-Won Ha, Eun-Taek Sung, and Donghyun Baek, “Low Power Transformer-based Current-Reuse Injection-Locked Frequency Divider,” Electronics Letters, vol. 49, no 1, pp. 161–162, Jan. 2015. (SCI).

2014

 

Keum-Won Ha, Hyuk Ryu, Jeong-Geun Kim, Joonhong Park, and Donghyun Baek, “Transformer-Based Current-Reuse Armstrong and Armstrong-Colpitts VCOs,” IEEE Trans. On Circ. And Syst.-II, vol. 61, no. 9, pp. 676–680, Sept. 2014. (SCI).

 

Keum-Won Ha, Hyuk Ryu, Jeong-Geun Kim, Joonhong Park, and Donghyun Baek, “Transformer-Based Current-Reuse Armstrong and Armstrong-Colpitts VCOs,” IEEE Trans. On Circ. And Syst.-II, vol. 61, no. 9, pp. 676–680, Sept. 2014. (SCI).

 

Hyun Jin Yoo, Yun Seong Eo, Ye-Seul Baek, and Donghyun Baek, “A Ultra-Wideband CMOS Power Amplifier with Distributed and Doherty Matching Techniques,” Microwave and Optical Technology Lett., vol. 56, no. 8, pp. 1757–1759, Aug. 2014. (SCIE).

 

Keum-Won Ha, Hyuk Ryu, Jeong-Geun Kim, and Donghyun Baek, “Gm-boosted Complementary Current-Reuse Colpitts VCO with Low Power and Low Phase Noise,” IEEE Microwave and Wireless Components Letters, vol. 24, no. 6, pp. 418–420, Jun. 2014. (SCI).

 

Sun-Ryoul Kim, Hyuk Ryu, Keum-Won Ha, Jeong-Geun Kim, and Donghyun Baek, “A 20 MHz - 3 GHz Linear Frequency Modulated Jamming Source with Fast Frequency Hopping Capability,” Journal of Electrical Engineering & Technology, vol. 9, no. 2, pp. 771–776, Mar. 2014. (SCIE).

2013

 

Sunwoo Yoon, Jeong-Geun Kim, Keum-Won Ha and Donghyun Baek, "A 34-dBm Input-P0.1dB Bulk CMOS SPDT Switch with an Integrated Negative-Bias Switch Controller," Anal. Integ. Circuits and Signal Processing, vol. 77, no. 3, pp. 557–565, Dec. 2013. (SCI).

 

Moon-Kyu Cho, Jeong-Geun Kim, and Donghyun Baek, “A Switchless CMOS Bi-directional Distributed Gain Amplifier with Multi-octave Bandwidth,” IEEE Microw. and Wireless Components Letters, vol. 23, no. 11, pp. 611–613, Nov. 2013. (SCI)

 

Moon-Kyu Cho, Jeong-Geun Kim, and Dong-Hyun Baek, “A Wideband CMOS Phase Shifter with a Phase Tuning Bit for Ku-Band Mobile Satellite,” Microw. and Optical Tech. Lett., vol. 55, no. 9, pp. 2120–2124, Sept. 2013. (SCIE)

 

Moon-Kyu Cho, Jeong-Geun Kim, and Donghyun Baek, “A Broadband Digital Step Attenuator with Low Insertion Loss and Phase Error in 0.18 mm SOI,” ETRI Journal, vol. 35, no. 4, pp. 638–643, Aug. 2013. (SCI)

 

Jae Young Choi, Moon-Kyu Cho, Donghyun Baek, and Jeong-Geun Kim, “A 5-20 GHz 5-Bit True Time Delay Circuit in 0.18 m CMOS Technology,” Journal of Semiconductor Technology and Science, vol. 13, no. 3, pp. 193–197, Jun. 2013. (SCIE)

 

Moon-Kyu Cho, Dong-Hyun Baek, and Jeong-Geun Kim, "DC-20 GHz CMOS Digital Step Attenuator with Low RMS Phase Error in 0.13 um CMOS," Microw. and Optical Technology Lett., vol. 52, no. 9, pp. 1952–1955, Apr. 2013. (SCIE)

 

Moon-Kyu Cho, Donghyun Baek, and Jeong-Geun Kim, “Compact X-band CMOS bi-directional gain amplifier without T/R switches,” Electronics Letters, vol. 49, no 1, pp. 66–68, Jan. 2013. (SCI)

2012

 

Moon-Kyu Cho, Donghyun Baek, and Jeong-Geun Kim, “A X-band 5-Bit Phase Shifter with Low Insertion Losses in 0.18 mm SOI Technology,” IEEE Microw. and Wireless Components Letters, vol. 20, no 6, pp. 355–357, Dec. 2012. (SCI)

 

Joonhong Park, Sunyoul Kim, Minhye Ho, and Donghyun Baek, "Wideband VHF and UHF RF Frontend receiver for DVB-H application," Journal of Electrical Engineering & Technology, vol. 7, no. 1, pp. 81–85, 2012. (SCIE)

2012

 

Moon-Kyu Cho, Donghyun Baek, and Jeong-Geun Kim, “A X-band 5-Bit Phase Shifter with Low Insertion Losses in 0.18 mm SOI Technology,” IEEE Microw. and Wireless Components Letters, vol. 20, no 6, pp. 355–357, Dec. 2012. (SCI)

 

Joonhong Park, Sunyoul Kim, Minhye Ho, and Donghyun Baek, "Wideband VHF and UHF RF Frontend receiver for DVB-H application," Journal of Electrical Engineering & Technology, vol. 7, no. 1, pp. 81–85, 2012. (SCIE)

2010

 

Hyun Jin Yoo, Dong Hyun Baek,  Kuk Jin Chun, and Yun Seong Eo, " A 2.3 GHz Linearized CMOS Power Amplifier with AM-AM and AM-PM Distortion Correction," IEICE Electronics Express, vol. 7, no. 21, pp. 1602–1607, Nov. 2010. (SCIE)

 

Young -Jin Kim, In-Chul Hwang and Donghyun Baek, "A Switchless Zigbee Frontend Transceiver with Matching Component Sharing of LNA and PA," IEEE Microw. and Wireless Components Letters, vol. 20, no 9, pp. 516–518, Sept. 2010. (SCI)

 

Do-Gyun Kim, Doo-Hun Choi, Yon-Tae Moon, Dong-Hyun Baek, Kwang-Hyun Baek, and Young-Wan Choi, "The design and realization of a highly linear power amplifier module for a WiMax/Wibro (802.e) base station," Microw. and Optical Technology Lett., vol. 52, no. 9, pp. 1952–1955, Sept. 2010. (SCIE)

 

In-Chul Hwang, and Donghyun Baek "0.93-mA Spur-Enhanced Frequency Synthesizer for L1/L5 Dual-Band GPS/Galileo RF Receiver," IEEE Microw. and Wireless Components Letters, vol. 20, no 6, pp. 355–357, Jun. 2010. (SCI) 

 

Joonhong Park, Junyoung Park, Youngwan Choi, Kweebo Sim and Donghyun Baek, "A Fully-Differential Complementary Hartley VCO in 0.18 μm CMOS Technology," IEEE Microw. and Wireless Components Letters, vol. 20, no. 2, pp. 91–93, Feb. 2010. (SCI)

2009

 

Choul-Young Kim, Jeong-Geun Kim, Donghyun Baek, and Songcheol Hong, “A Circularly Polarized Balanced Radar Front-End with a Single Antenna for 24 GHz Radar Applications,” IEEE Trans. on Microw. Theory and Tech., vol. 57, no. 2, pp. 293–297, Feb. 2009. (SCI)

 

Young-jin Kim, Yun Seong Eo, and Donghyun Baek, “A 5.4 mW Concurrent Low Noise CMOS LNA for L1/L5 GPS application,” IEICE Electronics Express, vol. 6 no. 1, pp. 14–19, Jan. 2009. (SCIE)

2008

 

Dong Hyun Baek , and, Young-Jin Kim “Symmetric Microstrip Interdigital Capacitor Compensated High Directivity Directional Coupler,” Microw. and Optical Technology Lett., vol. 50, no. 11, pp. 2801–2803, Nov. 2008. (SCIE)

 

Young-Jin Kim, and Dong Hyun Baek, “A 2-mW Low-Power 0.13-um CMOS VCO and LO Generator for GPS,” Microw. and Optical Technology Lett., vol. 50, no. 9, pp. 2362–2365, Sept. 2008. (SCIE)

 

Yun Seong Eo, Hyun Jin Ryu, Sang-Shin Lee, Kyu Don Choi, and Dong Hyun Baek, “Fully integrated 2.4 Ghz CMOS RF transmitter for 802.15.4 ZigBee applications,” Microw. and Optical Technology Lett., vol. 50, no. 6, pp. 1616–1619, Jun. 2008. (SCIE)

 

YunSeong Eo, Seung-Joon Lee, and Dong-Hyun Baek, "An Experimental Load Matching Technique For RF CMOS Power Amplifier," Microw. and Optical Technology Lett., vol. 50, no. 4, pp. 899–902, Apr. 2008. (SCIE)

2006

 

Dong Ho Lee, Donghyun Baek, Haksun Kim, and Songcheol Hong, "An On-chip Low Loss 1:9 Transmission Line Transformer and Its Model," Microw. and Optical Technology Lett., vol. 48, no. 10, pp. 1936–1940, Oct. 2006. (SCIE) 

2004

 

Donghyun Baek, Sangsoo Ko, JeongGeun Kim, DongWook Kim and Songcheol Hong, “Ku-Band InGap-GaAs HBT MMIC VCOs With Balanced and Differential Topologies,” IEEE Trans. on Microw. Theory and Tech., vol. 52, no. 4, pp. 1353–1359, Apr. 2004. (SCI) 

2003

 

Jeong-Geun Kim, Dong-Hyun Baek, Sanghoon Jeon, Jae-Woo Park, Songcheol Hong, “A K-band InGaP/GaAs HBT balanced MMIC VCO,” IEEE Microw. and Wireless Components Letters, vol. 13, no. 11, pp. 478–480, Nov. 2003. (SCI)

 

Donghyun Baek, Taeksang Song, Euisik Yoon, Songcheol Hong, “8-GHz CMOS quadrature VCO using transformer-based LC tank,” IEEE Microw. and Wireless Components Letters, vol. 13, no. 10, pp. 446–448, Oct. 2003. (SCI)

 

Donghyun Baek, Jeonggeun Kim, Songcheol Hong, “A dual-band (13/22-GHz) VCO based on resonant mode switching” IEEE Microw. and Wireless Components Letters, vol. 13, no. 10, pp. 443–445, Oct. 2003. (SCI)

2001

 

M. D. Kim, A. G. Choo, S. S. Ko, D. H. Baek, and S. C. Hong, “Infrared photodetector of self-assembled InAs quantum dots in modulation doped AlGaAs/GaAs heterostructures,” Journal of the Korean Physical Society, vol. 39, no. 1, pp. 32–34, Jul. 2001. (SCI)

 

M. D. Kim, A. G. Choo, T. I. Kim, S. S. Ko, D. H. Baek, and S. C. Hong, “Normal incidence infrared photoconductor of self-assembled InAs quantum dots in modulation doped AlGaAs/GaAs heterostructures,” Journal of Crystal Growth, vol. 227, pp. 1162–1165, Jul. 2001. (SCI)

2000

 

Hyun-Min Park, Dong-Hyun Baek, Kyeik Jeon, and Songcheol Hong, “A Predistortion Linearizer Using Envelop-Feedback Technique with Simplified Carrier Cancellation Scheme for Class A and AB Power Amplifiers,” IEEE Trans. on Microw. Theory and Tech., vol. 48, no. 6, pp. 898–9049, Jun. 2000. (SCI) 

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