Education

•  1992 : B.S. Physics, Hanyang University, Seoul, Korea.
•  1999 : M.S. North Carolina State University, Raleigh, NC, USA.
•  2006.2 : Ph.D. Electronic engineering, Information and Communication Univ
   

Experience 

• 1992 ~ 1997: Assistant Manager, LG Corporate Institute of Technology, Seoul, Korea
• 1999.9 ~ 2001.7: Senior Engineer, Samsung Electronics, Suwon, Korea
    

Research area

•  802.11a WLAN Transceiver design and system architecture research.
  

Patern Pending

•  A low noise down-conversion mixer topology by suppressing image noise using a notch filter. 

Publications

•  

  - Journals(SCI)

  Trung-Kien Nguyen, Nam-Jin Oh, Hyung-Chul Choi, Kuk-Ju Ihm, and Sang-Gug Lee, "5.2 GHz Image Rejection CMOS Low Noise Amplifier for Wireless LAN Application", IEEE Radio Frequency integrated Circuits Symposium (RFIC 2004), Fort Worth, Texas, USA, Jun. 2004.

  Nam-jin Oh and S.G.Lee, "11 GHz CMOS Differential VCO with Back-gate Transformer Feedback", IEEE Microwave and Wireless Components Letters, Vol.15, No.11, pp.733-735, Nov.2005.

  Nam-jin Oh and S.G.Lee, "Current Reused LC VCOs", IEEE Microwave and Wireless Components Letters, Vol.15, No.11, pp.736-738, Nov. 2005.

  Nam-Jin Oh and Sang-Gug Lee, "Building a 2.4-GHz Radio Transceiver Using IEEE 802.15.4-RF/Analog requirement and system performance analysis", IEEE Circuits and Devices Magazine, Vol. 21, No. 6, pp. 43-51, Nov./Dec. 2005.

  Nam-Jin Oh, Jinho Ko, and Sang-Gug Lee, "A CMOS 868/915-MHz Direct Conversion ZigBee Single-chip Radio", IEEE Communications Magazine, Vol. 43, No. 12, pp. 100-109, Dec. 2005.

  Trung-Kien Nguyen, Nam-Jin Oh, Viet-Hoang Le, and Sang-Gug Lee, "A Low Power CMOS Direct Conversion Receiver Front-end with 3-dB NF and 30-kHz Flicker Noise Corner for 915 MHz band IEEE 802.15.4 ZigBee Standard", Accepted on IEEE Transactions on Microwave Theory and Techniques, January 2006.

  Nam-Jin Oh and Sang-Gug Lee, " A simple model parameter extraction methodology for on-chip spiral inductor ", ETRI Journal, Vol. 28, No. 1, pp. 115-118, Feb. 2006.

   

• - Conferences

  Nam-Jin Oh, Sang-Gug Lee, "A Low Noise Down Conversion Mixer With Suppression Of Image- Noise By Using An Image-Reject Notch Filter", IEEE Asia-Pacific Microwave Conference (APMC-2003), pp. 890-893, Seoul, Korea, Nov. 2003.
  
  Nam-Jin Oh and Sang-Gug Lee," A 5GHz Low Noise Down Conversion Mixer With An Integrated Ima ge Reject Notch Filter To Suppress Image Noise", IC Design Education Center (IDEC) Conference, Daejon, Korea, 2003.
  
  Nam-Jin Oh, Hyoung-Chul Choi, Trung Kien Nguyen, Jin- Young Choi and Sang-Gug Lee, " 0.25um CMOS Transistor and Inductor Test Pattern Layout for RFIC Applications", IC Design Education Cen ter (IDEC) Conference, Daejon, Korea, 2003.

  Trung-Kien Nguyen, Nam-Jin Oh, Hyung-Chul Choi, Kuk-Ju Ihm, and Sang-Gug Lee, "5.2 GHz Image Rejection CMOS Low Noise Amplifier for Wireless LAN Application", IEEE Radio Frequency integrated Circuits Symposium (RFIC 2004), Fort Worth, Texas, USA, Jun. 2004.

  Trung-Kien Nguyen, Nam-Jin Oh, Huyng-Chul Choi, Kuk-Ju Ihm, Sang-Gug Lee, "CMOS Low Noise Amplifier Design Optimization Technique", IEEE International Midwest Symposium on Circuits ans Systems (MWSCAS'04), pp. I.185-I.188 , Hiroshima, Japan, Jul. 2004.

  Gook-Ju Ihm, Nam-Jin Oh, Trung-Kien Nguyen, and Sang-Gug Lee, "A transmitter front-end design for 5GHz WLAN applications", The 4th International Conference on Microwave and Millimeter Wave Technology (ICMMT'04), pp. 582-585, Beijing, China, Aug. 2004.