Millimeterwave / Terahertz IC design in advanced CMOS and HBT technologies.
Signal-processing / hardware co-design approaches for emerging communication systems and wireless sensor networks.
Applied signal processing techniques for mixed-signal circuits.
Journal Articles
(2021)
A Wideband SIW-based Slot Antenna for D-band Applications.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS.
20,
10
(2021)
Size-reduction of a dual-band circularly polarized dielectric resonator antennas.
IEEE ACCESS.
9,
(2020)
A V-Band Phase-Locked Loop with a Novel Phase-Frequency Detector in 65 nm CMOS.
ELECTRONICS.
9,
9
(2020)
An Electronically-Switched Frequency-Agile Hybrid Dielectric Resonator Antenna With a Fixed Reconfigurable Circularly Polarized Band.
IEEE ACCESS.
8,
(2020)
Dual-Band Circularly Polarized Dielectric Resonator Antenna for WLAN and WiMAX Applications.
SENSORS.
20,
4
(2019)
Particle Simulation of Ionic Screening Effects in Electrolyte-insulator-semiconductor Field-effect Transistors.
JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE.
19,
4
(2019)
A miniaturized 28 GHz 4-bit phase shifter in 65 nm LP CMOS for multi-channel 5-G radios.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS.
61,
2
(2018)
A Tilted-D-Shaped Monopole Antenna With Wide Dual-Band Dual-Sense Circular Polarization.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS.
17,
12
(2017)
InP HBT Technologies for THz Integrated Circuits.
PROCEEDINGS OF THE IEEE.
105,
6
(2016)
Particle simulation of electrolytic ion motions for noise in electrolyte-insulator-semiconductor field-effect transistors.
JAPANESE JOURNAL OF APPLIED PHYSICS.
55,
11
(2016)
A low phase noise 30-GHz frequency synthesizer with linear transconductance VCO and dual-injection-locked frequency divider.
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING.
86,
3
(2016)
A design of wide input range triple-mode active rectifier with peak efficiency of 94.2 % and maximum output power of 8 W for wireless power receiver in 0.18 A mu M BCD.
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING.
86,
2
(2016)
Design of a Wide-Frequency-Range, Low-Power Transceiver with Automatic Impedance-Matching Calibration for TV-White-Space Application.
JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE.
16,
1
(2016)
0.18 μm CMOS 기반 인덕터를 사용하지 않는 6～18 GHz 7-Bit 28 dB 가변 신호 감쇠기.
한국전자파학회 논문지.
27,
1
Patent/Intellectual Property
보간법을 이용한 I/Q 합성 방식 위상 변위기.
10-2018-0038282.
20200622.
KOREA, REPUBLIC OF
무선 통신 시스템에서 온-오프 키잉 방식을 이용하여 신호를 전송하기 위한 방법 및 장치.
10-2018-0002211.
20200513.
KOREA, REPUBLIC OF
고전압 고효율 신호발생기 및 그 방법(APPARATUS AND METHOD FOR GENERATING HIGH VOLTAGE AND HIGH EFFICIENCY SIGNAL).
10-2020-5740000.
20190904.
KOREA, REPUBLIC OF
높은 방향성을 가지는 2x2 광대역 array 안테나.
10-2018-0048041.
20190829.
KOREA, REPUBLIC OF
아날로그 FIR 필터와, 이를 이용한 광대역 실시간 시간 지연회로 및 그 방법(ANALOG FINITE IMPULSE RESPONSE FILTER, APPARATUS AND METHOD FOR DELAYING WIDEBAND TRUE TIME USING THE SAME).
10-1992-4060000.
20190618.
KOREA, REPUBLIC OF
시간 지연 회로(TIME DELAY CIRCUIT).
10-1929-8900000.
20181211.
KOREA, REPUBLIC OF
파이형 감쇠기(PI TYPE ATTENUATOR).
10-1881-1060000.
20180717.
KOREA, REPUBLIC OF
DPDT 스위치(DUAL POLE DUAL THROW SWITCH).
10-1798042-0000.
20171109.
KOREA, REPUBLIC OF
기판 집적형 도파관{Substrate Integrated Waveguide}.
10-2016-0126084.
20170906.
KOREA, REPUBLIC OF
Multiple return-to-zero current switching digital-to-analog converter for RF signal generation.
US 13/649,553.
20140225.
UNITED STATES
Digital-to-analog converter (DAC) calibration system.
US 12/834,822.
20120228.
UNITED STATES
Conference Paper
(2022)
IC and Array Technologies for 100-300GHz Wireless.
IEEE Custom Integrated Circuits Conference.
UNITED STATES
(2021)
A 200 GHz InP HBT Direct-Conversion LO-Phase-Shifted Transmitter/Receiver with 15 dBm Output Power.
IEEE/MTT-S International Microwave Symposium.
UNITED STATES
(2021)
A 200mW D-band Power Amplifier with 17.8% PAE in 250-nm InP HBT Technology.
European Microwave Week.
NETHERLANDS
(2020)
A 140GHz power amplifier with 20.5dBm output power and 20.8% PAE in 250-nm InP HBT technology.
IEEE International Microwave Symposium.
UNITED STATES
(2019)
A 3-5 GHz UWB pulse generator in 0.25 um GaN HEMT IC process.
한국전자파학회 동계종합학술대회.
KOREA, REPUBLIC OF
(2018)
A Planar 3.4−9 GHz UWB Monopole Antenna.
International Symposium on Antennas and Propagation.
KOREA, REPUBLIC OF
(2018)
Compact Omnidirectional 28 GHz 22 MIMO
Antenna Array for 5G Communications.
International Symposium on Antennas and Propagation.
KOREA, REPUBLIC OF
(2018)
65nm CMOS 공정 기반 3~5GHz 대역 고출력 펄스 발생기.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2017)
A High-Voltage High-Efficiency UWB Pulse Transmitter.
2017 Korea-Japan Microwave Workshop.
JAPAN
(2017)
State-of-the-Art THz Integrated Circuits in InP HBT Technologies.
IEEE International Symposium on Radio-Frequency Integration Technology.
KOREA, REPUBLIC OF
(2017)
0.18 μm CMOS 공정 기반 초소형 DC-20 GHz 대역 7-bit 가변 신호 감쇠기.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2017)
65 nm CMOS 공정 기반 DC-6 GHz gm-C 실시간 시간 지연 회로 설계.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2017)
아날로그 8-tap FIR 필터를 이용한 3-8 GHz Group Delay Equalizer 설계.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2016)
0.18 um CMOS 공정 기반 3-bit 반사형 실시간 시간지연회로 설계.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2016)
0.18 μm CMOS 공정 기반 6-18 GHz 대역 분산증폭기 설계.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2016)
0.18 μm CMOS 공정을 사용한 4-22 GHz 대역 Cascaded Single Stage Distributed Amplifier 설계.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2016)
0.18 μm CMOS 공정을 사용한 6-18 GHz 대역 T, Pi, Bridged-T 형 16 dB 감쇠기 설계.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2016)
65nm CMOS를 이용한 60 GHz 능동형 위상 천이기와 위상 결합기.
한국전자파학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2014)
Interpolation-based 5-bit X-band active phase shifter in 0.11um CMOS.
International Conference on Electrical Engineering and Computer Science.
HONG KONG
(2014)
Recent advances in terahertz electronics.
한국반도체학술대회.
KOREA, REPUBLIC OF
