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Hojong Choi
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Journal Articles
- 2024
- [j37]Hojong Choi:
Design of Preamplifier for Ultrasound Transducers. Sensors 24(3): 786 (2024) - 2023
- [j36]Hojong Choi:
A Doherty Power Amplifier for Ultrasound Instrumentation. Sensors 23(5): 2406 (2023) - [j35]Hojong Choi:
An Inverse Class-E Power Amplifier for Ultrasound Transducer. Sensors 23(7): 3466 (2023) - [j34]Hojong Choi:
Harmonic-Reduced Bias Circuit for Ultrasound Transducers. Sensors 23(9): 4438 (2023) - 2022
- [j33]Jonggi Hong, Yeonji Oh, Hojong Choi, Jungsuk Kim:
Low-Area Four-Channel Controlled Dielectric Breakdown System Design for Point-of-Care Applications. Sensors 22(5): 1895 (2022) - [j32]Unsang Jung
, Jin Hyuck Choi, Han Tae Choo, Gyu Ug Kim, Jaemyung Ryu
, Hojong Choi:
Fully Customized Photoacoustic System Using Doubly Q-Switched Nd: YAG Laser and Multiple Axes Stages for Laboratory Applications. Sensors 22(7): 2621 (2022) - [j31]Wajahat H. Abbasi, Hojong Choi, Jungsuk Kim
:
Hexagonal Stimulation Digital Controller Design and Verification for Wireless Subretinal Implant Device. Sensors 22(8): 2899 (2022) - [j30]Hojong Choi, Junghun Park, Yeon-Mo Yang
:
A Novel Quick-Response Eigenface Analysis Scheme for Brain-Computer Interfaces. Sensors 22(15): 5860 (2022) - [j29]Hojong Choi, Junghun Park, Yeon-Mo Yang
:
Whitening Technique Based on Gram-Schmidt Orthogonalization for Motor Imagery Classification of Brain-Computer Interface Applications. Sensors 22(16): 6042 (2022) - [j28]Hojong Choi:
Pre-Matching Circuit for High-Frequency Ultrasound Transducers. Sensors 22(22): 8861 (2022) - [j27]Hojong Choi, Seunghyeok Shin:
A Mathematically Generated Noise Technique for Ultrasound Systems. Sensors 22(24): 9709 (2022) - 2021
- [j26]Muhammad Nasir Ullah
, Yuseung Park
, Gyeong Beom Kim, Chanho Kim
, Chansun Park
, Hojong Choi, Jung-Yeol Yeom:
Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout. Sensors 21(4): 1048 (2021) - [j25]Kyeongjin Kim, Hojong Choi:
Novel Bandwidth Expander Supported Power Amplifier for Wideband Ultrasound Transducer Devices. Sensors 21(7): 2356 (2021) - [j24]Kyeongjin Kim, Hojong Choi:
A New Approach to Power Efficiency Improvement of Ultrasonic Transmitters via a Dynamic Bias Technique. Sensors 21(8): 2795 (2021) - [j23]Jungsuk Kim, Jungbeom Ko, Hojong Choi, Hyunchul Kim:
Printed Circuit Board Defect Detection Using Deep Learning via A Skip-Connected Convolutional Autoencoder. Sensors 21(15): 4968 (2021) - [j22]Hosung Kang, Hojong Choi, Jungsuk Kim
:
Ambient Light Rejection Integrated Circuit for Autonomous Adaptation on a Sub-Retinal Prosthetic System. Sensors 21(16): 5638 (2021) - 2020
- [j21]Jimin Cheon, Dongmyung Lee, Hojong Choi:
A CMOS Image Sensor with a Novel Passive Pixel Array and High Precision Current Amplifier for a Compact Digital X-ray Detector. J. Medical Imaging Health Informatics 10(11): 2745-2753 (2020) - [j20]Kiheum You, Hojong Choi:
Wide Bandwidth Class-S Power Amplifiers for Ultrasonic Devices. Sensors 20(1): 290 (2020) - [j19]Kiheum You, Seung-Hwan Kim, Hojong Choi:
A Class-J Power Amplifier Implementation for Ultrasound Device Applications. Sensors 20(8): 2273 (2020) - [j18]Jungsuk Kim
, Kyeongjin Kim, Sun-Ho Choe, Hojong Choi:
Development of an Accurate Resonant Frequency Controlled Wire Ultrasound Surgical Instrument. Sensors 20(11): 3059 (2020) - [j17]Jungsuk Kim
, Kiheum You, Sun-Ho Choe, Hojong Choi:
Wireless Ultrasound Surgical System with Enhanced Power and Amplitude Performances. Sensors 20(15): 4165 (2020) - [j16]Jungsuk Kim
, Kiheum You, Hojong Choi:
Post-Voltage-Boost Circuit-Supported Single-Ended Class-B Amplifier for Piezoelectric Transducer Applications. Sensors 20(18): 5412 (2020) - [j15]Kiheum You, Hojong Choi:
Inter-Stage Output Voltage Amplitude Improvement Circuit Integrated with Class-B Transmit Voltage Amplifier for Mobile Ultrasound Machines. Sensors 20(21): 6244 (2020) - 2019
- [j14]Seunghyeok Shin, Hojong Choi:
Image Formation Technique Using Advanced Matrix Pattern in Fourier Transform for Medical Ultrasound Machine. J. Medical Imaging Health Informatics 9(9): 1950-1954 (2019) - [j13]Hojong Choi:
Prelinearized Class-B Power Amplifier for Piezoelectric Transducers and Portable Ultrasound Systems. Sensors 19(2): 287 (2019) - [j12]Hojong Choi, Se-woon Choe
:
Acoustic Stimulation by Shunt-Diode Pre-Linearizer Using Very High Frequency Piezoelectric Transducer for Cancer Therapeutics. Sensors 19(2): 357 (2019) - [j11]Hojong Choi:
Class-C Linearized Amplifier for Portable Ultrasound Instruments. Sensors 19(4): 898 (2019) - [j10]Hojong Choi:
Stacked Transistor Bias Circuit of Class-B Amplifier for Portable Ultrasound Systems. Sensors 19(23): 5252 (2019) - [j9]Hojong Choi, Se-woon Choe
, Jaemyung Ryu
:
A Macro Lens-Based Optical System Design for Phototherapeutic Instrumentation. Sensors 19(24): 5427 (2019) - 2018
- [j8]Hojong Choi, Jung-Yeol Yeom, Jaemyung Ryu
:
Development of a Multiwavelength Visible-Range-Supported Opto-Ultrasound Instrument Using a Light-Emitting Diode and Ultrasound Transducer. Sensors 18(10): 3324 (2018) - [j7]Hojong Choi, Se-woon Choe
:
Therapeutic Effect Enhancement by Dual-Bias High-Voltage Circuit of Transmit Amplifier for Immersion Ultrasound Transducer Applications. Sensors 18(12): 4210 (2018) - [j6]Se-woon Choe
, Hojong Choi:
Suppression Technique of HeLa Cell Proliferation Using Ultrasonic Power Amplifiers Integrated with a Series-Diode Linearizer. Sensors 18(12): 4248 (2018) - 2017
- [j5]Hojong Choi, Jaemyung Ryu
, Jung-Yeol Yeom:
Development of a Double-Gauss Lens Based Setup for Optoacoustic Applications. Sensors 17(3): 496 (2017) - [j4]Hojong Choi, Park Chul Woo, Jung-Yeol Yeom, Changhan Yoon:
Power MOSFET Linearizer of a High-Voltage Power Amplifier for High-Frequency Pulse-Echo Instrumentation. Sensors 17(4): 764 (2017) - [j3]Hojong Choi, Chulwoo Park, Jungsuk Kim, Hayong Jung:
Bias-Voltage Stabilizer for HVHF Amplifiers in VHF Pulse-Echo Measurement Systems. Sensors 17(10): 2425 (2017) - 2016
- [j2]Hojong Choi, Jaemyung Ryu
, Jungsuk Kim:
A Novel Fisheye-Lens-Based Photoacoustic System. Sensors 16(12): 2185 (2016) - 2014
- [j1]Hojong Choi, K. Kirk Shung:
Protection Circuits for Very High Frequency Ultrasound Systems. J. Medical Syst. 38(4): 34 (2014)
Conference and Workshop Papers
- 2015
- [c1]Wansu Lim, Pandelis Kourtessis, Milos Milosavljevic, John M. Senior
, Hojong Choi:
Parallel dynamic subcarrier and time allocation protocol for long-reach OFDMA-PONs. ICC 2015: 5024-5029
Coauthor Index
![](https://dblp.uni-trier.de/img/cog.dark.24x24.png)
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