Home > Research > Finished Projects
- + Development of the Wireless Power Converter System for Mobile Handset
- + 1nJ/bit ULP(Ultra Low Power) 통신 핵심기술 개발
- + Stop Lamp Switch Driver IC
- + UHF band RFID system
- + 1-D Pulsed TOF LADAR Receiver for military application
- + Unipolar Impulse Radar IP Development
- + 평판 디스플레이용 반도체 설계 인력 양성 사업
- + Predictable SoC architecture & modeling
- + 4세대 이동통신용 LNA 설계
- + Low Supply and Low Jitter PLL Based Frequency Synthesizer Design
- + Development of digital-RF IC for ATCS compatible tuner
- + Impulse UWB Rader IC Design
- + Cordless mouse RF transceiver IP Development
- + Development of tuner RFIC for digital TV Applications
- + Spread Spectrum Clock Generator for TCONT application
- + CMOS FM Receiver Development
- + Clock Manager (CM) for FPGA
- + IR-UWB transceiver Design
- + High input-impedance voice ADC for digital microphone
- + IT-SOC
IT-SOC
- Project name
- - IT-SOC
- Project objective
- - The overall goal of the project is the development of two 4G wireless transceivers IP - for high speed applications (mobile Internet) and low-power low-speed applications (IEEE 802.15.4 ZigBee).
- Project Contents & Scope
- The obligations of RFME laboratory :
- - Low-power small size ZigBee Transceiver (RF and base-band analog)
- development, including :
- a) System analysis: architecture development and block-level
- specs generation :
- b) Blocks development: LNA, Mixer, VCO, PLL, DA, Switch, Balun, VGA, LPF.
- The obligations of RFME laboratory :
- Project Result
- - The following building blocks have been designed and fabricated using TSMC 0.18 um CMOS technology: Down-mixer integrated with Quadrature-VCO, VGA, VCO, Down-mixer, LPF and RF Tx section, composed of up-mixer, Driver-amplifier and LO generation scheme.
- Publiactions
- 1. "Design of Millimeter Wave TFMS Band pass Filter" Tao Yang and S.-G. Lee, published at International Journal of Infrared and Millimeter Wave- IRMMW, Vol. 24, No. 11, (SCI) Nov.2003.
- 2. "CMOS Low Noise Amplifier Design Optimization Techniques" Trung-Kien Nguyen, Chung-Hwan Kim, Gook-Ju Ihm, Moon-Su Yang, and Sang-Gug Lee, IEEE Transaction on Microwave Theory and Technique (SCI) May.2004.
- 3. "A complementary Colpitts oscillator in CMOS technology", Choong-Yul Cha, Sang-Gug Lee, IEEE Transactions on Microwave Theory and Techniques.
- 4. "Burst-mode Receiver for 1.25Gb/s Ethernet PON With AGC and Internally Created Reset Signal" Quan Le and S.-G. Lee, IEEE, International Solid-State Circuits Conference (ISSCC), US 2004. 2004.Feb.
- 5. " CMOS Exponential Current-to-Voltage Circuit based on newly Proposed Approximation method." Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee, IEEE International Symposium on Circuits and Systems, Canada May.2004.
- 6." Ultra low-voltage low-power exponential voltage-mode circuit with tunable output range." Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee, IEEE International Symposium on Circuits and Systems, Canada May,2004
- 7. "5.25 GHz Image Rejection CMOS Low Noise Amplifier for Wireless LAN Application", Trung-Kien Nguyen, Nam-Jin Oh, Hyung-Chul Choi, Kuk-Ju Ihm and Sang-Gug Lee, IEEE RFIC Symposium 2004, Fort Worth Texas, USA, June 2004.
- 8. " CMOS Exponential Current-to-Voltage Circuit based on newly Proposed Approximation method." Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee, IEEE International Symposium on Circuits and Systems, Canada May.2004
- 9. "Overcome the phase noise optimization limit of differential LC oscillator with asymmetric capacitance tank structure", Choong-Yul Cha, Sang-Gug Lee, RFIC Symposium June 2004.
- 10. "A High Performance CMOS Direct Down Conversion Mixer For UWB System” Anh-Tuan Phan, Sang-Gug Lee, et. Al. ACM/IEEE, Great Lakes Symposium on VLSI (GLSVLSI) Boston, MA, USA April 2004.
- 11. "Linearity Improvement Technique for the Common- Source Transconductance Stage", Moon-Su Yang and Sang-Gug Lee, IEEE, Midwest International Conference on Circuit And System (MWSCAS), Cairo, Egypt Dec. 2003.
- 12. "A 1.25V Direct Conversion CMOS Transmitter Front- End for 900 MHz ZigBee Applications", Moon-Su Yang, Seung- Min Oh and Sang-Gug Lee, IEEE, Midwest International Conference on Circuit And System (MWSCAS), Cairo, Egypt Dec. 2003.
- 13. "All CMOS Current-Mode Exponential Function Generator", Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee IEEE, ICACT 2004 conference, Korea, Feb. 2004.
- 14. "Pseudo-Exponential Current-to-Voltage Converter" Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee, IEEE, ICACT 2004 conference Feb. 2004.
- 15. " A 35 dB- Linear Exponential Function Generator for VGA and AGC Applications" Quoc-Hoang Duong and Sang-Gug Lee, IEEE, Asia and South Pacific Design Automation Conference (ASP-DAC), Japan, Jan. 2004.
- 16. "A 5.2 GHz Image Rejection CMOS Low Noise Amplifier Using Notch Filter" Trung-Kien Nguyen and Sang-Gug Lee IEEE, Midwest International Conference on Circuit And System (MWSCAS), Cairo, Egypt Dec. 2003.
- 17. "All CMOS Exponential Function Generator With Tunable Input Output Range, " Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee, IEEE, Midwest International Conference on Circuit And System (MWSCAS), Cairo, Egypt Dec. 2003.
- 18. " dB- Linear V-I Converter With Tunable Input Output Range", Quoc-Hoang Duong, Trung-Kien Nguyen and Sang-Gug Lee, IEEE, Midwest International Conference on Circuit And System (MWSCAS), Cairo, Egypt Dec. 2003.
- Project Term
- - 2003.10.01-2004. 31.03.
- Project Sponsor
- - IT-SOC, Hynix.
