2020

I. -Y Lee*,

“A 490GHz -101.3dBm 32mW Fully Integrated CMOS Imager Adopting Dual-Locking Receiver-Based FLL,”
IEEE International Solid-State Circuits Conference (ISSCC), Dig. Tech. Papers, accepted and will be presented, Feb 2020.  

2019

I. -Y Lee, and D. Im*,

“Low phase noise ring VCO employing input-coupled dynamic current source,”
IET Electronics Letters, Nov. 2019.

 

D. Kim, D. Im, and I. -Y Lee*,
“A RF PVT Compensated Negative Resistance Circuit for Q-factor Improvement of Passive Elements in CMOS,”
Journal of Semiconductor Technology and Science, vol. 19, no. 5, pp. 498-502, Oct. 2019.

2017

D. Im, K. Kwon and I. -Y Lee*,

“A 1.9-GHz silicon-on-insulator CMOS stacked-FET power amplifier with uniformly distributed voltage stresses,”
International Journal of Circuit Theory and Applications, vol. 45, issue 11, pp. 1660-1672, Nov. 2017.

 

I. -Y Lee and D. Im*,
“Low-power SOI CMOS antenna switch driver circuit with RF leakage suppression and fast switching time,”
IET Electronics Letters, vol. 53, no. 5, pp. 293-294, Mar. 2017.

J. Lee, J. Lee, C. Lo, J. Lee, I. -Y Lee, B. Han, S. Oh and T. Cho*,
“A Reconfigurable Analog Baseband Transformer for Multi-standard Applications in 14nm FinFET CMOS,”
IEEE Asian Solid-State Circuits Conference (A-SSCC), pp. 5-8, Nov. 2017.

2016

D. Im and I. -Y Lee*,

“A High IIP2 Broadband CMOS Low-Noise Amplifier With a Dual-Loop Feedback,”
IEEE Trans. Microwave Theory and Techniques, vol. 64, no. 7, pp. 2068-2079, July. 2016.

 

2015

I. -Y Lee, D. Im, J. Ko and S. -G Lee*,
“A 50-450MHz Tunable RF Biquad Filter Based on Wideband Source Follower with >26dBm IIP3, +12dBm P1dB, and <15dB Noise Figure,”
IEEE Journal of Solid-State Circuits, vol. 50, no. 10, pp. 2294-2305, Oct. 2015.

I. -Y Lee, S. Kim, S. -S Lee, J. Choi, J. Ko and S. -G Lee*,
“Spur Reduction Techniques With a Switched-Capacitor Feedback Differential PLL and a DLL-Based SSCG in UHF RFID Transmitter,”
IEEE Trans. Microwave Theory and Techniques, vol. 63, no. 4, pp. 1202-1210, Apr. 2015.

2014

J. Choi, I. -Y Lee, K. Lee, S. -O Yun, J. Kim, J. Ko, G. Yoon and S. -G Lee*,
“A 5.8-GHz DSRC Transceiver With a 10-uA Interference-Aware Wake-Up Receiver for the Chinese ETCS,”
IEEE Trans. Microwave Theory and Techniques, vol. 62, no. 12, pp. 3146-3160, Dec. 2014.

I. -Y Lee, et al.,
“A Fully Integrated TV Tuner Front-End with 3.1dB NF, >+31dBm OIP3, >83dB HRR3/5 and >68dB HRR7,”
IEEE International Solid-State Circuits Conference (ISSCC), Dig. Tech. Papers, pp. 70-71, Feb 2014.

S. Kim, I. -Y Lee, S. -S Lee, M. -S Kil, J. Choi, J. Ko and S. -G Lee*,
“A UHF-band RFID Transmitter with Spur Reduction Technique using a DLL-based Spread-Spectrum Clock Generator,”
IEEE Radio Frequency Integrated Circuits Symp. (RFIC), 2014.

2013

S. Kim, J. -M Kim, I. -Y Lee and S. -G Lee*,
“A Type-I ΔΣ Fractional-N Frequency Synthesizer Adopting a New Discrete-Time Loop Filter,”
IEEE Microwave and Wireless Components Letters, vol. 23, no. 10, pp. 545-547, Oct. 2013.

J. -Y Bae, S. Kim, H. -S Cho, I. -Y Lee, D. S Ha, S. -G Lee*,
“A CMOS Wideband Highly Linear Low-Noise Amplifier for Digital TV Applications,”
IEEE Trans. Microwave Theory and Techniques, vol. 61, no. 10, pp. 3700-3711, Oct. 2013.

J. -M Kim, S. Kim, I. -Y Lee, S. -K Han, S. -G Lee*,
“A Low-Noise Four-Stage Voltage-Controlled Ring Oscillator in Deep-Submicrometer CMOS Technology,”
IEEE Trans. Circuits and Systems II, vol. 60, no. 2, pp. 71-75, Feb. 2013.

S. -S Lee, J. Lee, I. -Y Lee, S. -G Lee, J. Ko,
“A New TX Leakage-Suppression Technique for an RFID Receiver Using a Dead-Zone Amplifier,”
IEEE International Solid-State Circuits Conference (ISSCC), Dig. Tech. Papers, pp. 91-93, Feb 2013.

2012

S. Kim, I. -Y Lee, J. -M Kim, S. -G Lee*,
“A Quantization Noise Cancelling Fractional-N type ΔΣ Frequency Synthesizer using SAR-based DAC Gain Calibration,”
IEEE Custom Integrated Circuits Conf. (CICC), 2012.

J. -Y Bae, S. Kim, I. -Y Lee, J. Cartwright, S. -G Lee*,
“A CMOS Highly Linear Low-Noise Amplifier for Digital TV Applications,”
IEEE Radio Frequency Integrated Circuits Symp. (RFIC), pp. 21-24, 2012.

2011

V. -H Le, H. -N Nguyen, I. -Y Lee, S. -K Han, S. -G Lee,
“A Passive Mixer for a Wideband TV Tuner,”
IEEE Trans. Circuits and Systems II, vol. 58, no. 7, pp. 398-401, July. 2011.

Y. Sun, I. -Y Lee, C. -J Jeong, S. -K Han, S. -G Lee,
“A Comparator Based Active Rectifier for Vibration Energy Harvesting Systems,”
IEEE International Conference on Advanced Communications Technology, 2011.

J. -S Lee, C. -J Jeong, Y. -S Jang, I. -Y Lee, S. -S Lee, S. -K Han and S .-G Lee,
“A High Linear Low Flicker Noise 25% Duty Cycle LO I/Q Mixer for a FM Radio Receiver,”
IEEE International Symp. of Circuits and Systems (ISCAS)., 2011.

2010

Y. Sun, C. -J Jeong, I. -Y Lee, J. -S Lee, S. -G Lee,
“A 50-300-MHz Low Power and High Linear Active RF Tracking Filter for Digital TV Tuner ICs,”
IEEE Custom Integrated Circuits Conf (CICC)., 2010.

2009

I. -Y Lee, et al.,
“A Low-Parasitic and Common-Centroid Cross-Coupled CMOS Transistor Structure for High-Frequency VCO Design,”
IEEE Electron Device Letters, vol. 30, no. 5, pp. 532-534, May 2009.

2008

S. -J Yun, Nguyen D. B. Yen, I. -Y Lee, J. -T Lee, S. -G Lee,
“A Differentially-Tuned Voltage Controlled Oscillator Using Symmetric Transformer,”
IEEE Microwave and Wireless Components Letters,
vol. 18, no. 7, pp. 464-466, July. 2008.

Publications

2010

I. -Y Lee et al.,
“Switch, negative resistance cell, and differential voltage controlled oscillator using the same,”
7741922, June. 2010.

U.S. Patents

2016

S. Kim, I. -Y Lee,
M. -S Kil, J. Choi, J. Ko, “Spread-spectrum clock generator”,
10-1603093, Mar.2016.

I. -Y Lee, J. Ko,
“RF filter”,
10-1600877, Mar. 2016.

I. –Y Lee, D. Im, J. Ko,
“Low noise amplifier”,
10-1592936, Feb. 2016.

2014

S. -G Lee, J. -M Kim, I. -Y Lee, S. -K Han,
“High resolution DCO structure for quantization noise reduction”,
10-1402945, May. 2014.

I. -Y Lee, J. Ko,
“Voltage-controlled oscillator”,
10-2014-0002035, Jan. 2014.

2008

I.-Y Lee et al.,
“Switch, negative resistance cell, and differential voltage controlled oscillator using the same”,
0874772, Dec. 2008.

Domestic Patents

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