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김창환(Chang-Wan Kim)
  • 042-866-6284

Education

  •  1997. 2 : B.S, School of Electronic Engineering and computer science, Kyungpook National Univ
  •  2003.2 : Master. Electronic engineering, Information and Communication Univ.
  •  2006.2 : Ph.D. Electronic engineering, Information and Communication Univ.

Experience

  • 1997. 1 ~2001. 1 : LG information & communication, Ltd. Device development reliability part. 

Research area

  •  5GHz Wireless LAN Transceiver Design (2001 ~ 2002)
  •  5GHz Wireless LAN Transceiver Architecture Research (2001 ~ 2002)
  •  UWB Transceiver architecture research (2003 ~2004.12)
  •  UWB Transceiver Circuits Design (2003 ~ 2004.12)
  •  Research of high linearity circuit technique for WCDMA system (2004. 11 ~ now)

Research result

  •  2GHz WCDMA Direct-Conversion Up-Mixer Block Design Using 0.35um CMOS Technology(2001.12)
  • 5GHz WLAN 802.11a/HIPERLAN2 Up-Conversion Mixer Design Using 0.18um CMOS Technology
       (2001.10)
  • 5GHz WLAN 802.11a/HIPERLAN2 Down & Up Conversion Mixer Design Using IBM SiGe HBT Technology (2002.3)
  • 5GHz WLAN 802.11a Low-IF Double-Quadrature Image-Rejection Receive Block Design Using 0.18um CMOS Technology (2002.8)
  • New UWB Transceiver architecture (dual-conversion) (2003.11) 
  •  Sub-band Generator Architecture development (2003. 11)
  • New Wideband LNA topology (2004. 5)
  • UWB receiver/transmitter Design using 0.18um CMOS Tenology (2004.5).

 

Publications

  •  Chang-Wan Kim, Mun-Suk Jung, and Sang-Gug Lee, "An Ultra-wideband CMOS Low Noise Amplifier", accepted on Electronics Letters, (SCI)

    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”, 7th International Conference on Advanced Communication Technology (ICACT2005), Phoenix Park, Korea, Feb 21-23, 2005.

    Chang-Wan Kim, Min-Suk Kang, Phan Tuan Anh, Hoon-Tae Kim, and Sang-Gug Lee, "An Ultra-Wideband CMOS Low Noise Amplifier for 3 ~ 5 GHz UWB System" Solid-State Circuits, IEEE Journal of, Volume: 40 , No. 2 , pp. 544 ? 547, Feb, 2005, (SCI).

    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), Boston, MA, USA, April 26-28, 2004.

    Anh-Tuan Phan, Chang-Wan Kim, Min-Suk Kang, Chun-Deok Su and Sang-Gug Lee, "Low Noise And High Gain CMOS Down Conversion Mixer", International Conference on Communications, Circuits and Systems, China, 27-29 June, 2004.

    Anh-Tuan Phan, Chang-Wan Kim, Choon-Yul Cha, Min-Suk Kang, Chun-Deok Su, Hoon-Tae Kim and Sang-Gug Lee, "A Low Noise Image Rejection Down CMOS Mixer" IEEE, 2004 International Midwest Symposium on Circuits and Systems (MWSCAS'04), Hiroshima, Japan, July 25-28, 2004.

    Anh- Tuan Phan, Chang- Wan Kim, Min-Suk Kang, Mun- Suk Chong, Chun- Deok Su and Sang- Gug Lee, "A Novel Image Rejection CMOS Mixer Using T-Structure Filter", to be presented at The fifth IEEE International Caracas Conference on Devices, Circuits and Systems (ICCDCS 2004 , Punta Cana, Dominican Republic, November 3-5, 2004.

    Anh- Tuan Phan, Chang- Wan Kim, Min-Suk Kang, Chun- Deok Su and Sang- Gug Lee, "Frequency-Controllable Image Rejection Down CMOS Mixer", to be presented at The fifth IEEE International Caracas Conference on Devices, Circuits and Systems (ICCDCS 2004 , Punta Cana, Dominican Republic, November 3-5, 2004. 

    C.-W. Kim, S.-B. Shin, S.-M. Oh, S.-G. Lee, B.-H. Park, "2GHz Direct- Conversion CMOS Up-Mixer Block.” 2002 Asia-Pacific Microwave Conference (APMC 2002), Japan, Nov 2002. 

    Seung-Min Oh, Chang-Wan Kim, and Sang-Guk Lee , “A 74%, 1.56-2.71 GHz, Wide-tunable LC-tuned VCO in 0.35um CMOS technology.” Microwave and Optical Technology Letters,(SCI), April 2003.issue

    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.

    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.

    김창완 , 이승식 , 박봉혁 , 김재영 , 최상성 , “ 초광대역 상향 주파수 변환 장치 ”, 상태 : 출원 , 출원일자 : 2004-12-15, 출원번호 : 10-2004-106621

    김창완 , Phan Tuan Anh, 강민석 , 이상국 , " 초광대역 통신 시스템에서 다중신호 발생장치 및 방법 ”, 상태 : 출원 , 출원일자 : 2004-05-25, 출원번호 : P2004-0037336.