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  • Yuna Shim, Sang-Gug Lee, "An Analog Controlled Variable Gain LNA with Tunable Frequency Bands," IEICE Trans. on Electronics, vol. E94-C, no.7, July. 2011.
  • Viet-Hoang Le, Hoai-Nam Nguyen, Sun-a Kim, Seok-Kyun Han, Sang-Gug Lee, "A Wideband Noise Cancelling Low Noise Amplifier for 3GPP LTE Standard" IEICE Transactions on Electronics, Vol.E94-C, No.6, June. 2011.
  • Yang Sun, Chang-Jin Jeong, In-Young Lee, and Sang-Gug Lee, "A Low Power and Low Noise On-chip Active RF Tracking Filter for Digital TV Tuner ICs," IEICE TRANSACTIONS on Electronics, Oct. 2011.
  • Viet-Hoang Le,Seok-Kyun Han, Sang-Gug Lee, "A Low Power Driver Amplifier for Unlicensed 2.4 Ghz Band", IEICE TRANSACTIONS on Electronics, Jan. 2011.
  • Huy-Binh Le, Xuan-Dien Do, Sang-Gug Lee, and Seung-Tak Ryu "A Long Reset-time Power-on Reset Circuit with Brown-out Detection Capability" IEEE Transactions on Circuits and Systems Part II, Vol.58, No.11, Nov. 2011.
  •  Dae-Young Yoon, Seok-Ju Yun, Justin Cartwright, Seok-Kyun Han, and Sang-Gug Lee "A High Gain Low Noise Mixer With Cross-Coupled Bleeding" , IEEE Microwave and Wireless Components Letters, Vol.21, No.10, Oct. 2011.
  • Y. Sun, Nguyen, H.-H, C.J. Jeong, and S.G. Lee, "A Integrated High Performance Active Rectifier for Piezoelectric Vibration Energy Harvesting Systems," IEEE Transactions on Power Electronics Vol.27, Issue.2, pp.623-627, 2012.
  • Viet-Hoang Le, Hoai-Nam Nguyen, In-Young Lee, Seok-Kyun Han, and Sang-Gug Lee "A Passive Mixer for a Wideband TV Tuner" IEEE Transactions on Cirucuits and Systems Part II, Vol. 58, No.7, July. 2011.
  • Jong-Phil Hong, and Sang Gug Lee "Gm-Boosted Differential Drain-to-Source Feedback Colpitts CMOS VCO" IEEE Transactions on Microwave Theory and Techniques, Vol. 59, No. 7, July. 2011.
  • Y. Sun, C.J. Jeong, S.K. Han, and S.G. Lee, "CMOS On-Chip Active RF Tracking Filter for Digital TV Tuner ICs", Electronics Letters,Vol.47, No.6, March, 2011.