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Sang-Gug LEE

A Single-Supply 84 dB DR Audio-Band ADC for Compact Digital Microphones Huy-Binh LE Sang-Gug LEE Seung-Tak RYU
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/01/01 Vol. E95-C No. 1 pp. 130-136 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: electret capacitor microphone (ECM), digital microphone, audio ADC,
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A Low Power and Low Noise On-Chip Active RF Tracking Filter for Digital TV Tuner ICs Yang SUN Chang-Jin JEONG In-Young LEE Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1698-1701 Type of Manuscript: BRIEF PAPER Category: Electronic Circuits Keyword: CMOS, on-chip, DTV tuner, active RF tracking filter, transconductance-c filter (G_m-C filter), low-pass filter (LPF),
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An Analog Controlled Variable Gain LNA with Tunable Frequency Bands Yuna SHIM Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/07/01 Vol. E94-C No. 7 pp. 1240-1242 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: analog control, LNA, low supply voltage, wideband,
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A Wideband Noise Cancelling Low Noise Amplifier for 3GPP LTE Standard Viet-Hoang LE Hoai-Nam NGUYEN Sun-a KIM Seok-Kyun HAN Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/06/01 Vol. E94-C No. 6 pp. 1127-1130 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: common gate, CMOS, capacitive cross-coupling, highly linear gm, LTE, noise cancellation, wideband LNA,
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A Low Power Driver Amplifier for Unlicensed 2.4 GHz Band Viet-Hoang LE Seok-Kyun HAN Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/01/01 Vol. E94-C No. 1 pp. 120-123 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: current reuse, driver amplifier, high drain efficiency, high PAE, low power transmitter,
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Yield-Ensuring DAC-Embedded Opamp Design Based on Accurate Behavioral Model Development Yeong-Shin JANG Hoai-Nam NGUYEN Seung-Tak RYU Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/06/01 Vol. E93-C No. 6 pp. 935-937 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: DAC, DAC-embedded, behavioral model, yield,
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Low Voltage Current-Reused Pseudo-Differential Programmable Gain Amplifier Huy-Hieu NGUYEN Jeong-Seon LEE Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/01/01 Vol. E93-C No. 1 pp. 148-150 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: variable gain amplifier (VGA), programmable gain amplifier (PGA), low power amplifier, analog circuit,
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A Fully On-Chip Gm-Opamp-RC Based Preamplifier for Electret Condenser Microphones Huy-Binh LE Seung-Tak RYU Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/04/01 Vol. E92-C No. 4 pp. 587-588 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: electret microphone, preamplifier, switched-capacitor, sigma-delta,
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A Complementary-Coupled CMOS LC Quadrature Oscillator Seok-Ju YUN Dae-Young YOON Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/11/01 Vol. E91-C No. 11 pp. 1806-1810 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: complementary metal oxide semiconductor (CMOS), quadrature oscillator, phase noise, I/Q phase error,
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An LC-VCO Strongly Suppresses the AM-FM Conversion Caused by Varactor So Bong SHIN Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/09/01 Vol. E91-C No. 9 pp. 1516-1519 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: LC-VCO, AM to FM conversion, 1/f noise, varactor nonlinearity, transformer, CMOS,
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All CMOS Low-Power Wide-Gain Range Variable Gain Amplifiers Quoc-Hoang DUONG Chang-Wan KIM Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/05/01 Vol. E91-C No. 5 pp. 788-797 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: variable gain amplifier (VGA), automatic gain control (AGC), transceiver, amplifier,
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A 90 dB 1.32 mW 1.2 V 0.13 mm² Two-Stage Variable Gain Amplifier in 0.18 µm CMOS Quoc-Hoang DUONG Jeong-Seon LEE Sang-Hyun MIN Joong-Jin KIM Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/05/01 Vol. E91-C No. 5 pp. 806-808 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: variable gain amplifier (VGA), automatic gain control (AGC), amplifier, analog circuit, transceiver,
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360-µW/1 mW Complementary Cross-Coupled Differential Colpitts LC-VCO/QVCO in 0.25-µm CMOS Jong-Phil HONG Seok-Ju YUN Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/12/01 Vol. E90-C No. 12 pp. 2289-2292 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: CMOS, cross-coupled Colpitts oscillator, low power, quadrature VCO, voltage controlled oscillator (VCO),
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A 900 MHz RF Transmitter with Output LO Suppression Viet-Hoang LE Trung-Kien NGUYEN Seok-Kyun HAN Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/01/01 Vol. E90-C No. 1 pp. 201-203 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: CMOS transceiver front-end, IEEE 802.15.4, LO leakage suppression, low power transmitter,
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Frequency-Controllable Image Rejection Down CMOS Mixer Tuan-Anh PHAN Chang-Wan KIM Yun-A SHIM Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2322-2324 Type of Manuscript: Special Section LETTER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: Devices Keyword: mixer, image rejection filter, CMOS mixer, RF integrated circuits,
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A High Performance CMOS Direct Down Conversion Mixer for UWB System Tuan-Anh PHAN Chang-Wan KIM Yun-A SHIM Sang-Gug LEE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2316-2321 Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: Devices Keyword: mixers, direct conversion mixer, flicker noise, UWB, CMOS integrated circuit,
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Measured Results on Symmetric Dual-Level Spiral Inductors for RF ICs Sang-Gug LEE So-Bong SHIN Gook-Ju IHM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/06/01 Vol. E84-C No. 6 pp. 845-848 Type of Manuscript: LETTER Category: Electronic Components Keyword: spiral inductor, symmetric, RF ICs, quality factor,
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