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  • Quoc Hoang Duong and S.-G. Lee, “86dB 1.4mW 1.8V 0.07mm2 Single-Stage Variable-Gain Amplifier in 0.18um CMOS", Electronics Letters, Vol.43, No.1, pp.19-21, Jan. 2007.
  • Quoc-Hoang Duong, Chang-Wan Kim, and Sang-Gug Lee, "All CMOS Low-Power Wide-Gain Range Variable Gain Amplifiers", IEICE Transactions on Electronics.
  • Jong-Phil Hong, Seok-Ju Yun, Sang-Gug Lee, “360uW/1mW Complementary Cross-Coupled Differential Colpitts LC-VCO/QVCO in 0.25um CMOS",IEICE Transactions on Electronics, vol.E90, No.12, Dec. 2007.
  • Viet-Hoang Le,Trung-Kien NGUYEN,Seok-Hyun Han and S.-G. Lee, “A 900 MHz RF Transmitter with Output LO Suppression", IEICE Transactoins on Electronics,Vol E90-C. No.1, Jan. 2007.
  • Yuna Shim, Chang-Wan Kim, and Sang-Gug Lee, "Simultaneous Noise and Input Matched.
  • Yuna Shim, Chang-Wan Kim, Jeongseon Lee, Sang-Gug Lee, "Design of Full Band UWB Common-Gate LNA",IEEE Microwave and Wireless Components Letters, vol.17, No.10, pp721-723 Oct. 2007.
  • Tuan-Anh Phan, Jeongseon Lee, Vladimir Krizhanovskii, Seok-Kyun Han, Sang-Gug Lee, “A 18-pJ/Pulse OOK CMOS Transmitter for Multiband UWB Impulse Radio",IEEE Microwave and Wireless Components Letters, Vol.17, No.9, pp.688-690, Sep. 2007.
  • Jong-Phil Hong, Seok-Ju Yun, Nam-Jin Oh,and Sang-Gug Lee , " A 2.2 mW Backgate Coupled LC Quadrature VCO with Current Reused Structure", IEEE Microwave and Wireless Components Letters vol. 17, No. 4, pp.298-300, Apr. 2007.
  • Chang-Wan Kim, Bong-Hyuk Park, Seung-Sik Lee ,Sang-Sung Choi, and Sang-Gug Lee , "A CMOS Frequency Synthesizer Block for MB-OFDM UWB Systems", ETRI Journal, vol. 29, No. 4, pp.437-444, Aug. 2007.
  • Ultra Wide-band LNA Design", Microwave and Optical Technology Letters, VOL. 17, NO. 10, pp2275-2279, Sept. 2007.