[14] Tuan-Anh Phan, Chang-Wan Kim, T.-J. Park, E.-J. Kim and Sang-Gug Lee, “Gain         Mismatch-Balanced I/Q Down-Conversion Mixer for UWB,” IEEE International Symposium         on Circuits and Systems (ISCAS' 06), Kos, Greece, May 21-24, 2006.

[13] Mun-Sook Jung, Chang-Wan Kim, Phan Tuan Anh, Hoon-Tae Kim, and Sang-Gug Lee, “A        2.7 to 9.3 GHz CMOS Wideband Amplifier Combined with High Pass Filter for UWB        Systems,” IEEE 7th International Conference on Advanced Communication Technology        (ICACT2005), Phoenix Park, Korea, Feb. 2005.

[12] Chang-Wan Kim, Seung-Sik Lee, Bong-Hyuk Park, Yun-a Shim, and Sang-Gug Lee, “A        CMOS Direct-Conversion I/Q Up-Mixer Block for Ultra-wideband System,” IEEE 7th        International Conference on Advanced Communication Technology (ICACT 2005), Phoenix        Park, Korea, Feb. 2005.

[11] Anh-Tuan Phan, Chang-Wan Kim, Moon-Suk Jung, Yun-A Shim, Jae-Yung Kim and        Sang-Gug Lee, “A Novel 1.5V DC Offset Cancellation CMOS Down Conversion Mixer,” IEEE        International Symposium on Circuits and Systems (ISCAS2005), Kobe, Japan, p. 23-26,        May 2005

[10] Quoc-Hoang Duong, Chang-Wan Kim and Sang-Gug Lee, “An 83dB Low-Power High-Linearity        Variable Gain Amplifier,” IEEE Custom Integrated Circuit Conference (CICC2005), pp. 211-        214, USA, Sep 2005.

[9] Anh-Tuan Phan, Chang-Wan Kim, Min-Suk Kang, Chun-Deok Su, Hoon-Tea Kim, and       Sang-Gug Lee, “A High Performance CMOS Direct Down Conversion Mixer For UWB       System,” to be at ACM/IEEE, 2004 Great Lakes Symposium on VLSI (GLSVLSI), pp.       377-380, Boston, MA, USA, Apr. 2004.

[8] Tuan-Anh Phan, Chang-Wan Kim, Min-Seok Kang, Chun-Deok Su and Sang-Gug Lee, “Low      Noise And High Gain CMOS Down Conversion Mixer,” IEEE International Conference on      Communications, Circuits and Systems (ISCAS 2004), pp. 1191-1193, China, Jun. 2004.

[7] Anh-Tuan Phan, Chang-Wan Kim, Choon-Yul Cha, Min-Seok Kang, Chun-Deok Su, Hoon-Tae      Kim and Sang-Gug Lee, “A Low Noise Image Rejection Down CMOS Mixer,” IEEE      International Midwest Symposium on Circuits ans Systems (MWSCAS'04), pp III.327 -III.330,      Hisoshima, Japan, Jul. 2004.

[6] Anh- Tuan Phan, Chang- Wan Kim, Min-Seok Kang, Mun- Suk Chong, Chun- Deok Su and      Sang- Gug Lee, “A Novel Image Rejection CMOS Mixer Using T-Structure Filter,” The 5th      IEEE International Caracas Conference on Devices, Circuits and Systems (ICCDCS 2004),      pp. 37-40, Punta Cana, Dominican Republic, Nov. 2004.

[5] Anh- Tuan Phan, Chang- Wan Kim, Min-Seok Kang, Chun- Deok Su and Sang- Gug Lee, “      Frequency-Controllable Image Rejection Down CMOS Mixer,” IEEE 4th International     Conference on Microwave and Millimeter Wave Technology ( ICMMT) , pp 308 - 311, 18-21     Aug. 2004.

[4] Anh-Tuan Phan, Chang-Wan Kim, Min-Seok Kang, Yun-A Shim, Chun-Deok Su, and       Sang-Gug Lee , “A Novel LC T-Structure Filter Integrated With CMOS Mixer For Image       Rejection,” IEEE International Symposium on Intelegient Signal Processing and       Communications (ISPACS), Seoul, Korea, Nov. 2004.

[3] Chang-Wan Kim, Sang-Gug Lee, “5-GHz CMOS Up-Conversion Mixer,” IEEE Asia-Pacific      Microwave Conference (APMC-2003), pp. 878-881, Seoul, Korea, Nov. 2003.

[2] Chang-Wan Kim, Sang-Gug Lee, “A 5.25 GHz Monolithic Image-Rejection Mixer,” IEEE       Asia-Pacific Microwave Conference (APMC-2003), pp. 781-784, Seoul, Korea, Nov. 2003.

[1] C.- W Kim, S. - M Oh, B. - H Park, S. -G Lee, “A 2 GHz Direct-Conversion CMOS Up-Mixer,”      IEEE Asia-Pacific Microwave Conference (APMC2002), Kyoto, Japan, Nov. 2002