Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Byunghak Cho"'
Autor:
Venumadhav Bhagavatula, Fan Zhang, Chechun Kuo, Anirban Sarkar, Ashutosh Verma, Tienyu Chang, Xiaohua Yu, Dae-Young Yoon, Ivan Siu-Chuang Lu, Sang Won Son, Thomas Byunghak Cho
Publikováno v:
IEEE Journal of Solid-State Circuits. 57:1257-1266
Autor:
Chih-Wei Yao, Wanghua Wu, Lei Chen, Chengkai Guo, Sang Won Son, Zhanjun Bai, Pak-Kim Lau, Thomas Byunghak Cho, Pei-Yuan Chiang
Publikováno v:
IEEE Journal of Solid-State Circuits. 56:3756-3767
This work presents a 6-GHz low-jitter and high figure-of-merit (FoM) fractional-N phase-locked loop (PLL). It uses a digital-to-time converter (DTC)-based sampling PLL architecture. To achieve ultra-low jitter in fractional-N mode, a phase detector r
Autor:
Thomas Byunghak Cho, Junghwan Han, Heeseon Shin, Jongwoo Lee, Pil-Sung Jang, Young-Min Kim, Jae-Seung Lee, Jin Tae-Hwan
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 69:452-468
This article presents power-efficient radio frequency (RF) receiver designs, particularly for advanced long-term evolution cellular applications. The two proposed single-ended receiver architectures can fully support multiple-channel RF signals in ad
Autor:
Inyup Kang, Jongmi Lee, Seungjin Kim, Jongwoo Lee, Kim Wan, Juyoung Han, Jaeyeol Han, Jong-Soo Lee, Takahiro Nomiyama, Lo Chilun, Sangdon Jung, Thomas Byunghak Cho, Byoungjoong Kang
Publikováno v:
IEEE Journal of Solid-State Circuits. 55:3400-3413
This article presents a fully integrated stand-alone narrowband Internet-of-Things (NB-IoT) and global navigation satellite system (GNSS) system-on-chip (SoC). It aims for an all-in-one system to integrate all necessary blocks such as an RF transceiv
Autor:
Jun-Suk Bang, Dongsu Kim, Jeongkwang Lee, Sungyoub Jung, Younghwan Choo, Seungchan Park, Young-Ho Jung, Jae-Young Ko, Takahiro Norniyama, Jongbeom Baek, Jaeyeol Han, Sang-Han Lee, Ik-Hwan Kim, Ji-Seon Paek, Jongwoo Lee, Thomas Byunghak Cho
Publikováno v:
2022 IEEE International Solid- State Circuits Conference (ISSCC).
Autor:
Barosaim Sung, Hyun-Gi Seok, Jaekwon Kim, Jaehoon Lee, Taejin Jang, Ilhoon Jang, Youngmin Kim, Anna Yu, Jong-Hyun Jang, Jiyoung Lee, Jeongyeol Bae, Euiyoung Park, Sungjun Lee, Seokwon Lee, Joohan Kim, Beomkon Kim, Yong Lim, Seunghyun Oh, Jongwoo Lee, Byunghak Cho, Inyup Kang
Publikováno v:
2022 IEEE International Solid- State Circuits Conference (ISSCC).
Autor:
Jaehong Jung, Seunghyun Oh, Joomyoung Kim, Gihyeok Ha, Jinhyeon Lee, Seungjin Kim, Euiyoung Park, Jaehoon Lee, Yelim Yoon, Seungyong Bae, Wonkang Kim, Yong Lim, Kyungsoo Lee, Junho Huh, Jongwoo Lee, Thomas Byunghak Cho
Publikováno v:
2022 IEEE International Solid- State Circuits Conference (ISSCC).
Autor:
Seungchan Heo, Ji-Soo Chang, Sanghoon Kang, Hyung-sun Lim, Sang-Wook Han, Jongwoo Lee, Il-Yong Jong, Ki Yong Son, Chih-Wei Yao, Joon-hee Lee, Ronghua Ni, Daechul Jeong, Thomas Byunghak Cho, Jaehyuk Jang, Yongrong Zuo, Jeong-Yeol Bae, Sang-Hyun Baek, Lee Jae-Hoon, Byoungjoong Kang, Seunghyun Oh, Inyup Kang
Publikováno v:
IEEE Journal of Solid-State Circuits. 54:3541-3552
The world’s first single-chip RF transceiver to support 5G sub-6-GHz new radio (NR) and long-term evolution (LTE) E-UTRA New Radio-Dual Connectivity (EN-DC) in 14-nm FinFET CMOS technology is presented. The single-chip transceiver integrates identi
Autor:
Jongwoo Lee, Jae-Kwon Kim, Yanghoon Lee, Kim Wan, Jang Woo-Jin, Thomas Byunghak Cho, Jung-Hoon Chun, Jaehyuk Choi, Seunghyun Oh
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 66:3723-3732
A 14-nm FinFET CMOS 12-b current-steering digital-to-analog converter (DAC) for 2G/3G/4G cellular applications is presented herein. Bit segmentations of a 6-bit thermometer and 6-bit binary coding are adopted, utilizing switching-order shuffling in c
Autor:
Tienyu Chang, Xiaohua Yu, Daeyoung Yoon, Siuchuang Ivan Lu, Ashutosh Verma, Thomas Byunghak Cho, Helen Zhang, Anirban Sarkar, Venumadhav Bhagavatula, Chechun Kuo, Sangwon Son
Publikováno v:
2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
This paper presents a multiband millimeter-wave transmitter front-end with an integrated power detector for enabling closed-loop power control. The power amplifier delivers an output power of 12.5dBm, PAE of 10% and EVM less than -25dB with CP-OFDM/6