power amplifier - PMC

Hui Tang, Changjin Yang, Li Qin, Lei Liang, Yuxin Lei, Peng Jia, Yongyi Chen, Yubing Wang, Yue Song, Cheng Qiu, Chuantao Zheng, Xin Li, Dabing Li, Lijun Wang

Sensors (Basel) 2023 Sep; 23(17): 7326. Published online 2023 Aug 22. doi: 10.3390/s23177326

PMCID:: PMC10490429

Abstract Article PDF–3.4M

Select item 99618605.

Amplifiers in Biomedical Engineering: A Review from Application Perspectives

Lida Kouhalvandi, Ladislau Matekovits, Ildiko Peter

Sensors (Basel) 2023 Feb; 23(4): 2277. Published online 2023 Feb 17. doi: 10.3390/s23042277

PMCID:: PMC9961860

Abstract Article PDF–3.4M

Select item 100987766.

An Inverse Class-E Power Amplifier for Ultrasound Transducer

Hojong Choi

Sensors (Basel) 2023 Apr; 23(7): 3466. Published online 2023 Mar 26. doi: 10.3390/s23073466

PMCID:: PMC10098776

Abstract Article PDF–5.7M

Select item 95176797.

Active Indoor Soundscape Design: A Case Study of Ceramic Passive Amplifiers

Feng Li, Jiali Xiang, Tao Li, Danni Shen, Tian Li

Int J Environ Res Public Health. 2022 Sep; 19(18): 11251. Published online 2022 Sep 7. doi: 10.3390/ijerph191811251

PMCID:: PMC9517679

Abstract Article PDF–1.6M

Select item 104563528.

A State-of-the-Art Review on CMOS Radio Frequency Power Amplifiers for Wireless Communication Systems

Sofiyah Sal Hamid, Selvakumar Mariappan, Jagadheswaran Rajendran, Arvind Singh Rawat, Nuha A. Rhaffor, Narendra Kumar, Arokia Nathan, Binboga S. Yarman

Micromachines (Basel) 2023 Aug; 14(8): 1551. Published online 2023 Aug 1. doi: 10.3390/mi14081551

PMCID:: PMC10456352

Abstract Article PDF–12M

Select item 80069879.

High-efficiency high-voltage class F amplifier for high-frequency wireless ultrasound systems

Kyeongjin Kim, Hojong Choi

PLoS One. 2021; 16(3): e0249034. Published online 2021 Mar 29. doi: 10.1371/journal.pone.0249034

PMCID:: PMC8006987

Abstract Article PDF–3.4M

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Customized low-cost high-throughput amplifier for electro-fluidic detection of cell volume changes in point-of-care applications

Saurabh Kaushik, Prabhakaran Selvanathan, Gautam Vivek Soni

PLoS One. 2022; 17(4): e0267207. Published online 2022 Apr 20. doi: 10.1371/journal.pone.0267207

PMCID:: PMC9020695

Abstract Article PDF–1.8M

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Implantable neurotechnologies: a review of integrated circuit neural amplifiers

Kian Ann Ng, Elliot Greenwald, Yong Ping Xu, Nitish V. Thakor

Med Biol Eng Comput. Author manuscript; available in PMC 2016 Jul 22.

Published in final edited form as: Med Biol Eng Comput. 2016 Jan; 54(1): 45–62. Published online 2016 Jan 22. doi: 10.1007/s11517-015-1431-3

PMCID:: PMC4958006

Abstract Article PDF–3.0M

Select item 429909012.

Automatic Frequency Controller for Power Amplifiers Used in Bio-Implanted Applications: Issues and Challenges

Mahammad A. Hannan, Hussein A. Hussein, Saad Mutashar, Salina A. Samad, Aini Hussain

Sensors (Basel) 2014 Dec; 14(12): 23843–23870. Published online 2014 Dec 11. doi: 10.3390/s141223843

PMCID:: PMC4299090

Abstract Article PDF–1.1M

Select item 635946613.

Prelinearized Class-B Power Amplifier for Piezoelectric Transducers and Portable Ultrasound Systems

Hojong Choi

Sensors (Basel) 2019 Jan; 19(2): 287. Published online 2019 Jan 12. doi: 10.3390/s19020287

PMCID:: PMC6359466

Abstract Article PDF–1.8M

Select item 630848714.

Suppression Technique of HeLa Cell Proliferation Using Ultrasonic Power Amplifiers Integrated with a Series-Diode Linearizer

Se-woon Choe, Hojong Choi

Sensors (Basel) 2018 Dec; 18(12): 4248. Published online 2018 Dec 3. doi: 10.3390/s18124248

PMCID:: PMC6308487

Abstract Article PDF–5.6M

Select item 1100615115.

Catalyzing satellite communication: A 20W Ku-Band RF front-end power amplifier design and deployment

Jiafa Chen, Fei Wang, Dawei Zhang, Jinsong Liu, Huaxia Wu, Zhengxian Zhou, Haima Yang, Tingzhen Yan, Tianchen Tang

PLoS One. 2024; 19(4): e0300616. Published online 2024 Apr 10. doi: 10.1371/journal.pone.0300616

PMCID:: PMC11006151

Abstract Article PDF–7.0M

Select item 721905716.

A Class-J Power Amplifier Implementation for Ultrasound Device Applications

Kiheum You, Seung-Hwan Kim, Hojong Choi

Sensors (Basel) 2020 Apr; 20(8): 2273. Published online 2020 Apr 16. doi: 10.3390/s20082273

PMCID:: PMC7219057

Abstract Article PDF–4.9M

Select item 1018178717.

Harmonic-Reduced Bias Circuit for Ultrasound Transducers

Hojong Choi

Sensors (Basel) 2023 May; 23(9): 4438. Published online 2023 Apr 30. doi: 10.3390/s23094438

PMCID:: PMC10181787

Abstract Article PDF–3.1M

Select item 861881018.

Excel Methods to Design and Validate in Microelectronics (Complementary Metal–Oxide–Semiconductor, CMOS) for Biomedical Instrumentation Application

Graciano Dieck-Assad, José Manuel Rodríguez-Delgado, Omar Israel González Peña

Sensors (Basel) 2021 Nov; 21(22): 7486. Published online 2021 Nov 11. doi: 10.3390/s21227486

PMCID:: PMC8618810

Abstract Article PDF–9.9M

Select item 1095941819.

Complementary integration of organic electrochemical transistors for front-end amplifier circuits of flexible neural implants

Ilke Uguz, David Ohayon, Sinan Yilmaz, Sophie Griggs, Rajendar Sheelamanthula, Jason D. Fabbri, Iain McCulloch, Sahika Inal, Kenneth L. Shepard

Sci Adv. 2024 Mar 22; 10(12): eadi9710. Published online 2024 Mar 22. doi: 10.1126/sciadv.adi9710

PMCID:: PMC10959418

Abstract Article PDF–5.1M

Select item 803745520.

Novel Bandwidth Expander Supported Power Amplifier for Wideband Ultrasound Transducer Devices

Kyeongjin Kim, Hojong Choi

Sensors (Basel) 2021 Apr; 21(7): 2356. Published online 2021 Mar 28. doi: 10.3390/s21072356

PMCID:: PMC8037455

Abstract Article PDF–5.5M

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Figure 7

Voltage gain vs. frequency of (a) class-B power amplifier and (b) prelinearized class-B power amplifier. (c) Direct current (DC) consumption vs. input voltage of class-B power amplifier and class-B prelinearized power amplifier. (d) DC current consumption vs. input frequency of class-B power amplifier and class-B prelinearized power amplifier.

Prelinearized Class-B Power Amplifier for Piezoelectric Transducers and Portable Ultrasound Systems

Sensors (Basel). 2019 Jan;19(2):287.
Figure 6

(a) Schematic diagram and (b) photo of measurement setup; voltage gain vs. input voltage of (c) power amplifier and (d) prelinearized power amplifier; voltage gain deviation vs. input voltage of (e) power amplifier and (f) prelinearized power amplifier.

Prelinearized Class-B Power Amplifier for Piezoelectric Transducers and Portable Ultrasound Systems

Sensors (Basel). 2019 Jan;19(2):287.
Figure 8

(a) Measurement setup and (b) photo of pulse-echo response. Echo signal amplitude of piezoelectric transducer when using (c) class-B power amplifier and (d) prelinearized class-B power amplifier. Normalized spectrum of piezoelectric transducer when using (e) class-B power amplifier and (f) prelinearized class-B power amplifier.

Prelinearized Class-B Power Amplifier for Piezoelectric Transducers and Portable Ultrasound Systems

Sensors (Basel). 2019 Jan;19(2):287.
Figure 6

(a) Voltage gains versus frequencies of class-C amplifier and class-C linearized amplifier; (b) voltage gain deviations versus frequencies of class-C amplifier and class-C linearized amplifier; (c) DC power consumption versus frequencies of class-C amplifier and class-C linearized amplifier.

Class-C Linearized Amplifier for Portable Ultrasound Instruments

Sensors (Basel). 2019 Feb;19(4):898.