Search Results - "Youngoo Yang"

Analysis and experiments for high-efficiency class-F and inverse class-F power amplifiers by YOUNG YUN WOO, YANG, Youngoo, KIM, Bumman

“…This paper presents analytic and experimental comparisons for high-efficiency class-F and inverse class-F amplifiers. The analytic formula of the efficiencies,…”
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A Highly Linear, AEC-Q100 Compliant Signal Conditioning IC for Automotive Piezo-Resistive Pressure Sensors by Lee, DongSoo, Cho, SungHun, Ryu, Hocheol, Pu, YoungGun, Yoo, Sang-Sun, Lee, Minjae, Hwang, Keum Cheol, Youngoo, Youngoo Yang, Lee, Kang-Yoon

“…In this paper, the design of a signal conditioning analog front-end (AFE) IC for an automotive piezo-resistive type pressure sensor is presented. To improve…”
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CMOS Startup Charge Pump With Body Bias and Backward Control for Energy Harvesting Step-Up Converters by Peng, Huan, Tang, Nghia, Yang, Youngoo, Heo, Deukhyoun

“…A new low voltage charge pump is developed to help start up a step-up converter in energy harvesting applications. The proposed charge pump is the first to…”
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Retroreflective Transceiver Array Using a Novel Calibration Method Based on Optimum Phase Searching by Koo, Hyungmo, Bae, Jongseok, Choi, Woojin, Oh, Hansik, Lim, Hongjun, Lee, Jongmin, Song, Chanmi, Lee, Kangyoon, Hwang, Keumcheol, Yang, Youngoo

“…The retrodirective or retroreflective method has been used as a radio-frequency beamforming method for massive antenna array, for wireless communication…”
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Design of a Load Modulated Balanced Amplifier with a Two-Stage Control Power Amplifier by Mochumbe, Sagini E., Yang, Youngoo

“…While an ideal Doherty power amplifier has a linear response, the load modulated balanced amplifier (LMBA) has a compressive response under ideal conditions…”
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Octave Bandwidth Doherty Power Amplifier Using Multiple Resonance Circuit for the Peaking Amplifier by Kang, Hyunuk, Lee, Hwiseob, Lee, Wooseok, Oh, Hansik, Lim, Wonseob, Koo, Hyungmo, Park, Cheon-seok, Hwang, Keum Cheol, Lee, Kang-Yoon, Yang, Youngoo

“…This paper presents a broadband Doherty power amplifier (DPA) design with an octave bandwidth based on a new load network consisting of a quasi-lumped…”
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A broadband circularly polarized magneto-electric dipole array antenna for 5G millimeter-wave applications by Trinh-Van, Son, Van Trinh, Thai, Yang, Youngoo, Lee, Kang-Yoon, Hwang, Keum Cheol

“…A millimeter-wave (mm-wave) broadband circularly polarized (CP) magneto-electric (ME) dipole array antenna is proposed. The antenna element consists of a ME…”
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A Design of a 92.4% Efficiency Triple Mode Control DC–DC Buck Converter With Low Power Retention Mode and Adaptive Zero Current Detector for IoT/Wearable Applications by Park, Young-Jun, Park, Ju-Hyun, Kim, Hong-Jin, Ryu, Hocheol, Kim, SangYun, Pu, YoungGun, Hwang, Keum Cheol, Yang, Youngoo, Lee, Minjae, Lee, Kang-Yoon

“…This paper presents a retention/pulse frequency modulation (PFM)/ pulse width modulation (PWM) mode dc-dc buck converter with adaptive zero current detector…”
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Analysis of Microstrip Line with Asymmetric Arch Type Cross-Sectional Structure Using Micro Pattern Transfer Printing Method by Woo, Seungmin, Choi, Jaehyeok, Choi, Kwangjong, Kang, Bokyeong, Park, Hwasun, Yang, Youngoo

“…This paper presents the manufacturing procedure and electrical properties of a microstrip line on flexible printed circuit boards (FPCBs) fabricated using the…”
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Circularly Polarized Spidron Fractal Dielectric Resonator Antenna by Altaf, Amir, Youngoo Yang, Kang-Yoon Lee, Keum Cheol Hwang

“…In this letter, a circularly polarized Spidron fractal dielectric resonator antenna is presented. A wide 3-dB axial ratio (AR) bandwidth is realized by merging…”
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An Antenna Proximity Sensor for Mobile Terminals Using Reflection Coefficient by Lim, Wonsub, Yang, Dongil, Yang, Youngoo

“…This paper presents a new antenna proximity sensor for mobile terminals based on the measured reflection coefficient using a bidirectional coupler which is…”
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Doherty Power Amplifier Based on the Fundamental Current Ratio for Asymmetric cells by Oh, Hansik, Kang, Hyunuk, Lee, Hwiseob, Koo, Hyungmo, Kim, Minseok, Lee, Wooseok, Lim, Wonseob, Park, Cheon-Seok, Hwang, Keum Cheol, Lee, Kang-Yoon, Yang, Youngoo

“…This paper presents a Doherty power amplifier (DPA) based on asymmetric cells using an even input power drive and an appropriate peak fundamental current ratio…”
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A Design of a Wireless Power Receiving Unit With a High-Efficiency 6.78-MHz Active Rectifier Using Shared DLLs for Magnetic-Resonant A4 WP Applications by Park, Hyung-Gu, Jang, Jae-Hyeong, Kim, Hong-Jin, Park, Young-Jun, Oh, SeongJin, Pu, YoungGun, Hwang, Keum Cheol, Yang, Youngoo, Lee, Kang-Yoon

“…This paper presents a full-CMOS wireless power receiving unit (WPRU) with a high-efficiency 6.78-MHz active rectifier and a dc-dc converter for…”
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Highly Efficient Fully Integrated GaN-HEMT Doherty Power Amplifier Based on Compact Load Network by Lee, Hwiseob, Lim, Wonseob, Bae, Jongseok, Lee, Wooseok, Kang, Hyunuk, Hwang, Keum Cheol, Lee, Kang-Yoon, Park, Cheon-Seok, Yang, Youngoo

“…This paper presents a fully integrated gallium-nitride high-electron-mobility transistor (GaN-HEMT) Doherty power amplifier (DPA) based on a compact load…”
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A 1.8-2.7 GHz Triple-Band Low Noise Amplifier with 31.5 dB Dynamic Range of Power Gain and Adaptive Power Consumption for LTE Application by Asl, S Ali Hosseini, Rad, Reza E, Rikan, Behnam S, Pu, YoungGun, Hwang, Keum Cheol, Yang, Youngoo, Lee, Kang-Yoon

“…This paper presents a multi-gain radio frequency (RF) front-end low noise amplifier (LNA) utilizing a multi-core based on the source degeneration topology. The…”
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A Design of 10-Bit Asynchronous SAR ADC with an On-Chip Bandgap Reference Voltage Generator by Verma, Deeksha, Shehzad, Khuram, Kim, Sung Jin, Pu, Young Gun, Yoo, Sang-Sun, Hwang, Keum Cheol, Yang, Youngoo, Lee, Kang-Yoon

“…A proposed prototype of a 10-bit 1 MS/s single-ended asynchronous Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) with an on-chip…”
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A Design of Analog Front-End with DBPSK Demodulator for Magnetic Field Wireless Network Sensors by Asl, S. Ali Hosseini, Rikan, Behnam S., Hejazi, Arash, Pu, YoungGun, Huh, Hyungki, Jung, Yeonjae, Hwang, Keum Cheol, Yang, Youngoo, Lee, Kang-Yoon

“…This paper presents an on-chip fully integrated analog front-end (AFE) with a non-coherent digital binary phase-shift keying (DBPSK) demodulator suitable for…”
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Single-Fed Circularly Polarized Dielectric Resonator Antenna with an Enhanced Axial Ratio Bandwidth and Enhanced Gain by Trinh-Van, Son, Yang, Youngoo, Lee, Kang-Yoon, Hwang, Keum Cheol

“…A compact single-fed circularly polarized dielectric resonator antenna (DRA) with an enhanced 3-dB axial ratio bandwidth (ARBW) and gain is proposed. The DRA…”
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A Low-Power 12-Bit 20 MS/s Asynchronously Controlled SAR ADC for WAVE ITS Sensor Based Applications by Shehzad, Khuram, Verma, Deeksha, Khan, Danial, Ain, Qurat Ul, Basim, Muhammad, Kim, Sung Jin, Rikan, Behnam Samadpoor, Pu, Young Gun, Hwang, Keum Cheol, Yang, Youngoo, Lee, Kang-Yoon

“…A low power 12-bit, 20 MS/s asynchronously controlled successive approximation register (SAR) analog-to-digital converter (ADC) to be used in wireless access…”
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An Efficient Reconfigurable RF-DC Converter With Wide Input Power Range for RF Energy Harvesting by Khan, Danial, Oh, Seong Jin, Shehzad, Khuram, Basim, Muhammad, Verma, Deeksha, Pu, Young Gun, Lee, Minjae, Hwang, Keum Cheol, Yang, Youngoo, Lee, Kang-Yoon

“…This paper presents a reconfigurable radio frequency to direct current (RF-DC) converter operating at 902 MHz frequency designed to efficiently harvest RF…”
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