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Sangwook NAM

7-Bit Multilayer True-Time Delay up to 1016ps for Wideband Phased Array Antenna Minyoung YOON Sangwook NAM
Publication: Publication Date: 2019/08/01 Vol. E102-C No. 8 pp. 622-626 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: true-time delay, wideband phased array, multilayer PCB, signal via,
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A 0.4-1.2GHz Reconfigurable CMOS Power Amplifier for 802.11ah/af Applications Jaeyong KO Sangwook NAM
Publication: Publication Date: 2019/01/01 Vol. E102-C No. 1 pp. 91-94 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: broadband, CMOS, IEEE 802.11ah/af standards, reconfigurable transformer, power amplifier,
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Design Optimizaion of Gm-C Filters via Geometric Programming Minyoung YOON Byungjoon KIM Jintae KIM Sangwook NAM
Publication: Publication Date: 2017/04/01 Vol. E100-C No. 4 pp. 407-415 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: ultra-low power, optimization, geometric programming, subthreshold mode operation, active filter,
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A Wideband Noise-Cancelling Receiver Front-End Using a Linearized Transconductor Duksoo KIM Byungjoon KIM Sangwook NAM
Publication: Publication Date: 2017/03/01 Vol. E100-C No. 3 pp. 340-343 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: wideband receiver, transconductor linearization, noise-cancelling,
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Isolation Enhanced Multiway Power Divider for Wideband (4:1) Beamforming Arrays Dooheon YANG Minyoung YOON Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/12/01 Vol. E99-C No. 12 pp. 1327-1330 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: bandwidth optimization, beamforming array, isolation bandwidth, wideband multiway power divider,
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A Clutter Rejection Technique Using a Delay-Line for Wall-Penetrating FMCW Radar Byungjoon KIM Duksoo KIM Youngjoon LIM Dooheon YANG Sangwook NAM Jae-Hoon SONG
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/05/01 Vol. E99-C No. 5 pp. 597-600 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: clutter rejection, wall-penetrating, FMCW, delay-line, filter,
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A Simplified Broadband Output Matching Technique for CMOS stacked Power Amplifiers Jaeyong KO Kihyun KIM Jaehoon SONG Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/10/01 Vol. E97-C No. 10 pp. 938-940 Type of Manuscript: BRIEF PAPER Category: Keyword: broadband, CMOS, continuous Class-F, high-efficiency, linear, power amplifier (PA), stacked transistors,
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Design of Wideband Coupled Line DC Block with Compact Size Byungjoon KIM Sangwook NAM Hee-Ran AHN Jae-Hoon SONG
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/09/01 Vol. E97-C No. 9 pp. 915-917 Type of Manuscript: BRIEF PAPER Category: Microwaves, Millimeter-Waves Keyword: Wideband DC block, Coupling enhancement, DGS, slow wave structure, Capacitance loading,
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A 24GHz Transformer Coupled CMOS VCO for a Wide Linear Tuning Range Jae-Hoon SONG Byung-Sung KIM Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/10/01 Vol. E96-C No. 10 pp. 1348-1350 Type of Manuscript: BRIEF PAPER Category: Electronic Circuits Keyword: voltage controlled oscillator (VCO), wide linear tuning, transformer coupling, CMOS,
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On-Chip Supply Noise Suppression Technique Using Active Inductor Jaejun LEE Sungho LEE Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/05/01 Vol. E94-C No. 5 pp. 917-919 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: on-chip filter, LC resonator, active inductor, supply noise,
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A High-Efficient Transformer Using Bond Wires for Si RF IC Eunil CHO Sungho LEE Jaejun LEE Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/01/01 Vol. E93-C No. 1 pp. 140-141 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: CMOS RF integrated circuit, monolithic transformers, bond wires, balun,
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High Gain and Wide Range Time Amplifier Using Inverter Delay Chain in SR Latches Jaejun LEE Sungho LEE Yonghoon SONG Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/12/01 Vol. E92-C No. 12 pp. 1548-1550 Type of Manuscript: LETTER Category: Electronic Circuits Keyword: time amplifier, time-to-digital converter, SR latch, high resolution delay measurement, all-digital phase-locked loop, inverter delay chain,
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A 0.1-1 GHz CMOS Variable Gain Amplifier Using Wideband Negative Capacitance Hangue PARK Sungho LEE Jaejun LEE Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/10/01 Vol. E92-C No. 10 pp. 1311-1314 Type of Manuscript: BRIEF PAPER Category: Electronic Circuits Keyword: variable gain amplifier, wideband, cascode, negative capacitance,
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A 2.3-7 GHz CMOS High Gain LNA Using CS-CS Cascode with Coupling C Hangue PARK Sungho LEE Jaejun LEE Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/08/01 Vol. E92-C No. 8 pp. 1091-1094 Type of Manuscript: BRIEF PAPER Category: Electronic Circuits Keyword: wideband LNA, coupling capacitor, common source-common source cascode,
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A CMOS RF Power Detector Using an Improved Unbalanced Source Coupled Pair Hangue PARK Jaejun LEE Jaechun LEE Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/12/01 Vol. E91-C No. 12 pp. 1969-1970 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: CMOS RF power detector, unbalanced source coupled pair, output differential amplifier, sink current steering,
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Novel Periodic Structures for a Slotline : Patch Loaded Slotline Jongkuk PARK Jong-Sik LIM Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/01/01 Vol. E88-C No. 1 pp. 135-138 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: patch loaded slotline(PLS), defected ground structure(DGS), periodic structure,
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Improvement in Performance of Power Amplifiers by Defected Ground Structure Jong-Sik LIM Yong-Chae JEONG Dal AHN Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/01/01 Vol. E87-C No. 1 pp. 52-59 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: defected ground structure, DGS, power amplifiers, harmonic rejection, harmonic tuning,
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A New Method for the Determination of the Extrinsic Resistances of MESFETs and HEMTs from the Measured S-Parameters under Active Bias Jong-Sik LIM Byung-Sung KIM Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 839-846 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: small signal model, extrinsic resistances, MESFET, HEMTs,
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Enhanced Feeding Structure of Microstrip Antenna Sanghoon CHOI Sangwook NAM
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/08/25 Vol. E78-C No. 8 pp. 984-987 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology) Category: Keyword: microstrip antenna, waveguide feeding, slot coupling, method of moments,
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