Hyunseok Hwang

Hyunkyu Lee

Seungwon Park

Dongkyo Kim

Younghwan Kim

Iljin Lee

Bohee Suh

Donghyeon Seong

Sangmin Kim

Kyeonghun Choe

Yeheon Park

Seungjong Lee

Minwoo Kim

Byungwook Kim

Kyeongho Yeom

Kwangwon Park

Byeongho Yuk

Junho Ko

Sangwoo Yoon

Sanggu Park

The RF/Microwave/Millimeter-Wave/Terahertz Circuits and Systems Laboratory is actively recruiting graduate students (M.S., Ph.D. programs) and undergraduate interns for ongoing research in the specified areas.

RF/마이크로파/밀리미터파/테라헤르츠 회로 및 시스템 연구실에서 관련 분야 대학원생(석사, 박사 과정)과 학부 인턴을 모집하여 연구를 진행한다.

A 15~ 45 GHz High-Resolution Compact Distributed Digital Attenuator

A 15–40 GHz CMOS true-time delay circuit for UWB multi-antenna systems

D-Band Common-Base Amplifiers With Gain Boosting and Interstage Self-Matching in 0.18- SiGe HBT Technology

A fully-integrated 40–222 GHz InP HBT distributed amplifier

A 300-GHz high-power high-efficiency voltage-controlled oscillator with low power variation

WR-1.5 high-power frequency doubler in 130-nm InP HBT technology

-Band Injection-Locked Frequency Octupler Using a Push–Push Output Structure

Multi-layer dielectric cavity antennas with extended aperture height

A compact 275–320-GHz reflection-type phase shifter

WR-3.4 Band Reflection-type Phase Shifters

A 300-GHz Phase Shifter and High-Power VCO for Phased Array Applications

300-GHz Integrated Heterodyne Receiver Chain for Phased-Array with Wide IF Bandwidth

Compact 232–250-GHz Traveling-Wave Frequency Doubler With Peak Output Power of 5.2 dBm and Efficiency of 2.9%

Design and performance analysis of THz wireless communication systems for chip-to-chip and personal area networks applications

MOSFET layout design for high-gain amplifiers at mm-wave and sub-terahertz

15~ 45㎓ 고해상도 소형 분산형 디지털 감쇠기

A new compact CMOS distributed digital attenuator

270-GHz HBT Oscillator Performanc Packaged in WR-3.4 Standard Waveguide

W-and G-band GaN voltage-controlled oscillators with high output power and high efficiency

A 220–320-GHz vector-sum phase shifter using single Gilbert-cell structure with lossy output matching

300 GHz integrated heterodyne receiver and transmitter with on-chip fundamental local oscillator and mixers

장거리 대용량 밀리미터웨이브 광대역 통신용 통합 시뮬레이터 구축에 대한 연구

A WR-3 band fundamental voltage-controlled oscillator with a wide frequency tuning range and high output power

129–145-GHz Low-Noise Amplifier Waveguide Module With Low-Loss Chip-to-Waveguide Transition for CMOS Technologies

A D-band multiplier-based OOK transceiver with supplementary transistor modeling in 65-nm bulk CMOS technology

Concurrent Dual-Band Class-E Power Amplifier Using a Multi-Harmonic Matching Network

A D-Band Hybrid-Type CMOS Phase Shifter with Full 360° Phase Coverage

A High-Power Wideband Sub-THz Power Amplifier With Asymmetric Slotline-Based Series–Parallel Combiner in 130-nm SiGe BiCMOS Technology

An Octave Tuning-Range Frequency Generator Integrating a Quad-Core VCO Using Quad-Mode Coupled Dual-Path Inductor With a Wideband ILFD

108–316-and 220–290-GHz ultrabroadband distributed frequency doublers

Highly-integrable K-band power dividers based on digital CMOS technology

Multi-Harmonic Matching Network 을 이용한 동시-이중 대역 Class-E 전력 증폭기

A high-efficiency E-band power amplifier with optimized output matching network in a 28-nm bulk CMOS

Design of Metal-Oxide-Metal Capacitors in a 65-nm CMOS Process

A 0.78–0.91–THz Wideband Frequency Tripler With Harmonic-Matched Bias Network

A Wideband Dual-Mode Power Amplifier with Slotline-Based Series-Parallel Combiner in 28-nm Bulk CMOS Technology

A g-band frequency doubler using a commercial 150 nm gaas phemt technology

Improvement of noise performance in phased‐array receivers

A 256–287 GHz Full 360° Hybrid-type Phase Shifter with Active SPDT Switches

Beamforming THz Transmitters

A high‐power solid‐state RF source driven by a doubly‐differential signal

A CMOS vector-sum phase shifter for 5G mm-wave application

65-nm CMOS 공정을 이용한 MOM 캐패시터 설계 및 분석.

A 6.1-to-41.5 GHz CMOS low-noise amplifier for wideband and highly linear applications

CMOS Power Amplifiers With Dual-Power-Mode and Continuous-Power-Mode Operation for Wideband Back-Off Efficiency Enhancement

A transformer-matched millimeter-wave CMOS power amplifier

A D-band low-noise amplifier using a 28-nm CMOS process

A 131.5–137.5 GHz low-power sub-harmonic receiver using a 65-nm CMOS technology

A 200–280 GHz InP HBT Power Amplifier Using Double-Stacked Common-Base Core With Design Analysis and Modulation Measurements

A new mm-wave multiple-band single-pole multiple-throw switch with variable transmission lines

An mm-wave multi-mode asymmetric power amplifier with back-off efficiency enhancement

A compact wideband crossover coupler with lumped elements

28-nm CMOS 공정을 이용한 D-대역 저잡음 증폭기

A 7.5-GHz uniplanar 180° hybrid coupler on flexible polyimide substrate

Analysis and demonstration of mm-wave distributed amplifiers with modified artificial transmission line model

Low‐noise GaInP/GaAS HBT wideband dual feedback amplifiers using Kukielka and Meyer topologies

Ka-대역 4 채널 위상 배열 수신 모듈 기반 저궤도 위성 군집 통신 수신단 설계

WR-3 Band Integrated Circuits in InP HBT Technology

저궤도 군집 위성 무선 통신을 위한 Ka 대역 송수신기 프런트 엔드 모듈 설계

도파관-평판 선로 천이 구조체

도허티 부하 변조 평형 증폭 장치

스위치 트랜스포머 기반 LC 탱크를 이용한 광대역 전압 제어 발진기

다차 트랜스포머를 이용한 광대역 주파수 분주기

트랜스포머 센터 탭 접지 기법을 이용한 광대역 직병렬-전력 결합 전력 증폭기

광대역 고효율 전력 증폭기 장치

광대역 주파수 변환 장치

정궤환 네트워크를 이용한 다단 증폭 회로 및 이득 향상 기법

능동형 스위치를 이용한 스위칭 방식 위상 변화기

삽입 손실 개선을 위한 능동형 스위치

소형 디지털 감쇠기

주파수 가변 전치 왜곡 선형화기

전력 증폭 장치

병렬 공진 구조를 이용한 낮은 삽입손실을 가지는 밀리미터파 대역 스위치 구조

다중 모드 기반의 전력 증폭 장치

가변 λ/4 전송선로를 이용한 다중대역 SPNT 스위치, 상기 스위치를 포함하는 스위치 매트릭스, 및 송수신 시스템

단일 길버트셀을 이용한 위상 변화기

광대역 가변 시간 지연 장치

적층된 대칭 나선형 인덕터를 이용한 초소형 광대역 발룬

Compact digital attenuator

Millimeter-wave Switch Structure with Low Insertion Loss using Parallel Resonance Structure

Power amplification apparatus

Compact Digital Attenuator

Multi-band SPNT switch using variable λ/4 transmission lines, and switch matrix and transmitter and receiver system including the SPNT switch

Advanced RF Systems Lab.

교수님 소개

전상근

연구실 소개

연구실 키워드

알럼나이가 간 회사

연구실 지원 방법

대우 조건

연도별 논문 인용수

저널 & 학회 논문 출판 수

연구실 논문 목록

A High-Power Wideband Sub-THz Power Amplifier With Asymmetric Slotline-Based Series–Parallel Combiner in 130-nm SiGe BiCMOS Technology

CMOS Power Amplifiers With Dual-Power-Mode and Continuous-Power-Mode Operation for Wideband Back-Off Efficiency Enhancement

129–145-GHz Low-Noise Amplifier Waveguide Module With Low-Loss Chip-to-Waveguide Transition for CMOS Technologies

연구실 보유 특허

대학별 입시끈

우리 연구실 모집

교수님 소개

전상근

연구실 키워드

알럼나이가 간 회사

연구실 지원 방법

대우 조건

연도별 논문 인용수

저널 & 학회 논문 출판 수

연구실 논문 목록

A High-Power Wideband Sub-THz Power Amplifier With Asymmetric Slotline-Based Series–Parallel Combiner in 130-nm SiGe BiCMOS Technology

CMOS Power Amplifiers With Dual-Power-Mode and Continuous-Power-Mode Operation for Wideband Back-Off Efficiency Enhancement

129–145-GHz Low-Noise Amplifier Waveguide Module With Low-Loss Chip-to-Waveguide Transition for CMOS Technologies

연구실 보유 특허

최근 3년간 연구실적 높은 연구실

대학별 입시끈

우리 연구실 모집