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2022

19 하이브리드 바이어스 네트워크가 적용된 W대역 60-nm GaN pHEMT 전력 증폭기 (W-Band Power Amplifier with Hybrid Bias Network Using 60-nm GaN pHMET Process)

Jinho Yoo, Jaeyong Lee, Seongjin Jang, Hayeon Jung, Kichul Kim, Jeung Won Choi, Juman Park, Changkun Park
Journal of IKEEE
vol. 26, no. 1, pp. 77-82, Mar. 2022

2021

18 S-parameter의 변화를 유도하는 임피던스 변화 감지를 통한 전자회로의 결함검출회로 (The defect detection circuit of an electronic circuit through impedance change detection that induces a change in S-parameter)

Donghwan Seo, Tae-yeob Kang, Jinho Yoo, Joonki Min, Changkun Park
Journal of IKEEE
vol. 25, no. 4, pp. 689-696, Dec. 2021

17 출력 전력 및 효율 개선을 위한 3-스택 구조의 Ku 대역 CMOS 전력 증폭기 (Ku-Band Three-Stack CMOS Power Amplifier to Enhance Output Power and Efficiency)

Junhyuk Yang, Seonhye Jang, Hayeon Jung, Taehwan Joo, Changkun Park
Journal of IKEEE
vol. 25, no. 1, pp. 133-138, Mar. 2021

2019

16 A 2.4-GHz Dual-Mode CMOS Power Amplifier with a Bypass Structure Using Cascode Driver Stage to Improve Efficiency (효율 개선을 위해 캐스코드 구동 증폭단을 활용한 바이패스 구조의 2.4-GHz CMOS 전력 증폭기)

Joseph Jang, Jinho Yoo, Milim Lee, Changkun Park
Journal of the Korea Institute of Information and Communication Engineering
vol. 23, no. 8, pp. 966-974, Aug. 2019

15 Ka-Band Variable-Gain CMOS Low Noise Amplifier for Satellite Communication System (위성 통신 시스템을 위한 Ka-band 이득제어 CMOS 저잡음 증폭기)

Hyemin Im, Hayeon Jung, Jaeyong Lee, Sungkyu Park, Changkun Park
Journal of the Korea Institute of Information and Communication Engineering
vol. 23, no. 8, pp. 959-965, Aug. 2019

14 Quad-Band RF CMOS Power Amplifier for Wireless Communications (무선 통신을 위한 Quad-band RF CMOS 전력증폭기)

Milim Lee, Junhyuk Yang, Changkun Park
Journal of the Korea Institute of Information and Communication Engineering
vol. 23, no. 7, pp. 807-815, Jul. 2019

13 Linearization Method Using Variable Capacitance in Inter-Stage Matching Networks for CMOS Power Amplifier

Jaehyuk Yoon, Changkun Park
Journal of IKEEE
vol. 23, no. 2, pp. 454-460, Jun. 2019

12 A Low-Loss On-Chip Transformer Using an Auxiliary Primary Part (APP) for CMOS Power Amplifier Applications

Haemin Im, Changkun Park
Journal of IKEEE
vol. 23, no. 2, pp. 403-406, Jun. 2019

11 Differential 2.4-GHz CMOS Power Amplifier Using an Asymmetric Differential Inductor to Improve Linearity (비대칭 차동 인덕터를 이용한 2.4-GHz 선형 CMOS 전력 증폭기)

Seongjin Jang, Changhyun Lee, Changkun Park
Journal of the Korea Institute of Information and Communication Engineering
vol. 23, no. 6, pp.726-732, Jun. 2019

10 A 2.4-GHz Dual-Mode CMOS Power Amplifier with a Bypass Structure Using Three-Port Transformer to Improve Efficiency (3-포드 변압기를 이용한 바이패스 구조를 적용하여 효율이 개선 된 이중 모드 2.4-GHz CMOS 전력 증폭기)

Joseph Jang, Jinho Yoo, Milim Lee, Changkun Park
Journal of the Korea Institute of Information and Communication Engineering
vol. 23, no. 6, pp.719-725, Jun. 2019

9 Design of a 2.4 GHz Dual-Mode CMOS Power Amplifier

Joseph Jang, Jae Yong Lee, Ji Won Kim, Chang Kun Park
IDEC Journal of Integrated Circuits and Systems
vol. 05, no. 1, pp.8-12, Jan. 2019

2017

8 A Linear CMOS Power Amplifier with Inter-stage Transformer

Changhyun Lee, Changkun Park
IDEC Journal of Integrated Circuits and Systems
vol. 03, no. 4, pp.35-40, Oct. 2017

2016

7 Design of RF CMOS Transceiver for Wireless Data Communication of Three-Dimensional Integrated Circuit Applications

Hooyoung Shin, Dongwoo Moon, Changhyun Lee, Milim Lee, Changkun Park
IDEC Journal of Integrated Circuits and Systems
vol. 03, no. 1, pp.21-26, Jul. 2016

6 Power consumption change in transistor ratio of Ring Voltage Controlled Oscillator (링 전압 제어 발진기의 트랜지스터 비율에 따른 소모 전력 변화)

Dongwoo Moon, Hooyoung Shin, Milim Lee, Inseong Kang, Changhyun Lee, Changkun Park
The Journal of Korean Institute of Electromagnetic Engineering and Science
vol. 27, no. 2, pp.212-215, Feb. 2016

2011

5 Design of a Wireless Intraocular Pressure Sensor Based on MEMS Technology (안압의 비접촉 검출을 위한 MEMS 기반의 센서 설계)

Byungjoo Kang, Jonghoon Park, Ji Yoon kang, Soo Hyun Lee, Changkun Park
Journal of the Korean Institute of Maritime information & Communication Science
vol.15, no.4, pp.905-912, Apr 2011

4 Experimental Investigation of Differential Line Inductor for RF Circuits with Differential Structure

Changkun Park
International Journal of Maritime Information and Communication Sciences
vol.9, no.1, pp.11-15, Feb 2011

2009

3 Class-E CMOS PAs for GSM Applications

Hongtak Lee, Yumi Lee, Changkun Park, Songcheol Hong
Journal of the Korean Institute of Electronic Engineering and Science (Journal of the Korea Electromagnetic Engineering Society)
vol.9, no.1, pp.32-38, Mar. 2009

2007

2 A Fully Integrated 5-GHz CMOS Power Amplifier for IEEE 802.11a WLAN Applications

Sang-Hyun Baek, Changkun Park, Songcheol Hong
Journal of semiconductor technology and science
vol.7, no.2, pp.98-101, Jun. 2007

2002

1 HBM ESD Tester for On-Wafer Test Using Flyback Method

Chang-Kun Park, Keesoo Yeom
Journal of the Korean Institute of Maritime information & Communication Science
vol.6, no.7, pp.1079-1083, Nov. 2002