Relevant bibliographies by topics / Half-bridge Class D amplifier

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  2. Dissertations / Theses
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Academic literature on the topic 'Half-bridge Class D amplifier'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Half-bridge Class D amplifier"

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Ponjavic, Milan, and Sasa Milic. "Switched Capacitor Compensation of Supply Distortion in Class-D Amplifiers." Electronics 9, no. 12 (2020): 2197. http://dx.doi.org/10.3390/electronics9122197.

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This paper presents a switched capacitor technique for bus-pumping compensation in a half-bridge class-D amplifier. The proposed approach, in addition to the almost complete reduction of the bus-pumping effect, allows the half-bridge class-D amplifier to preserve maximum energy efficiency. The studied hardware implementation of the proposed technique demonstrates its advantages of high efficiency, simple circuit, and low cost. The principal design and operating principles are analyzed and described. The experimental static characteristics and time-domain waveforms for the proposed technique ar
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Kijamnajsuk, P., K. Sibsiri, and C. Luengviriya. "Compact RF transmission unit for nuclear quadrupole resonance spectroscopy." Journal of Physics: Conference Series 2653, no. 1 (2023): 012003. http://dx.doi.org/10.1088/1742-6596/2653/1/012003.

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Abstract Nuclear quadrupole resonance (NQR) spectroscopy is a non-destructive measurement technique that enables to detect materials of interest very accurately. This technique works by sending high power electromagnetic waves with radio frequency (RF) very specific to the molecular structure to excite the sample and detecting the respond signal with the same frequency. Portable NQR detectors can be potentially developed to detect explosives with non-metallic containers in the fields. However, commercial RF high power amplifiers are large and heavy, so they are not practical for field usage. I
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Xu, Guo Hua, Ying Zhang, Ming Dong, and Qing De Meng. "The Output Researching of a Cascaded Multilevel Class-D Power Amplifier." Advanced Materials Research 482-484 (February 2012): 3–10. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.3.

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A high efficiency switch-mode power amplifier based on a cascaded multicell multilevel circuit topology is introduced in the paper. A multicell topology being operated in a unipolar phase-shifted PWM control to switch-mode amplifier system is introduced. After analysising a single-phase H-bridge unipolar PWM inverter’s output, the paper emphasis on the researching of the output of a Cascaded Multilevel Class-D Power Amplifier. The paper analyzes the advanced characteristic of the cascaded multilevel technique. Then a cascaded multilevel class-D power amplifier is built in the laboratory. The r
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Xu, Duo, Guohua Zhou, Rui Huang, Xianghong Liu, and Feiming Liu. "High Efficiency Half Bridge Class-D Audio Amplifier System With Front-End Symmetric Bipolar Outputs LLC Converter." IEEE Transactions on Industrial Electronics 68, no. 2 (2021): 1220–30. http://dx.doi.org/10.1109/tie.2020.2969098.

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Tsuchiya, Hirotaka, Yoshino Michitaka, Naoto Shinkawa, Hiroyuki Akaba, and Akira Yasuda. "A Novel Boost Class-D Amplifier Using an H-bridge Circuit." IEEJ Transactions on Electrical and Electronic Engineering 5, no. 6 (2010): 660–63. http://dx.doi.org/10.1002/tee.20589.

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Башкиров, А. В., И. В. Свиридова, and Р. Н. Хорошайлов. "DEVELOPMENT OF AN OPTIMAL CONTROL SCHEME FOR A D-CLASS HIGH-FREQUENCY AMPLIFIER." ВЕСТНИК ВОРОНЕЖСКОГО ГОСУДАРСТВЕННОГО ТЕХНИЧЕСКОГО УНИВЕРСИТЕТА, no. 5 (November 17, 2022): 100–107. http://dx.doi.org/10.36622/vstu.2022.18.5.013.

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В аудиоусилителях с переключаемым режимом для улучшения качества звука усилителя использовались контуры управления. Поскольку в этих усилителях используется высокочастотная модуляция, необходимо внимательно проектировать контроллер. Кроме того, коэффициент качества выходного фильтра может оказать большое влияние на возможности контроллера по подавлению шума и отслеживанию аудиосигнала. Представлены методы проектирования современного управления высокочастотным усилителем класса D. Разработанный метод управления позволяет легко решить проблему проектирования высокопроизводительного контроллера,
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Zhou, Xiang, Jianping Xu, Shu Zhong, and Yan-Fei Liu. "Soft Switching Symmetric Bipolar Outputs DC-Transformer (DCX) for Eliminating Power Supply Pumping of Half-Bridge Class-D Audio Amplifier." IEEE Transactions on Power Electronics 34, no. 7 (2019): 6440–55. http://dx.doi.org/10.1109/tpel.2018.2873234.

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Li, Li, Hong-jie Li, and Yan-jing Sun. "Improved Error Correction Methods for Filterless Digital Class D Audio Power Amplifier Based on FCLNF." Mathematical Problems in Engineering 2020 (August 12, 2020): 1–9. http://dx.doi.org/10.1155/2020/5914062.

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Aiming at correcting the error caused by the nonlinear and power supply noise of the bridge-tied-load (BTL) power stage of the filterless digital class D power amplifier, an error correction method was proposed based on feedforward power supply noise suppression (FFPSNS) and first-order closed loop negative feedback (FCLNF) techniques. This method constructed the first-order LCLNF loop for the power stage and further reduced the impact of the power supply noise on the power amplifier output by using FFPSNS technology to introduce the power supply noise into the feedback loop at the same time.
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S., A. Naida, O. Onykienko Y., I. Drozdenko O., I. Smolenska O., S. Baran V., and O. Iakunina N. "Analysis of the influence of load inductance on nonlinear distortions of a class D amplifier caused by «dead time»." Electrical Engineering & Electromechanics, no. 3 (June 25, 2021): 32–37. https://doi.org/10.20998/2074-272X.2021.3.05.

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<strong><em>Goal.</em></strong><em>&nbsp;Analysis of the effect of load inductance at the output of the class D amplifier for different values of the duration of &laquo;dead time&raquo; and assessment of the adequacy of existing mathematical models for calculating the THD at the output of the amplifier depending on the duration of &laquo;dead time&raquo;.&nbsp;<strong>Methodology</strong>. The study of the effect of &laquo;dead time&raquo; on the THD was performed using a computer model of the half-bridge converter board EPC9035 from Efficient Power Conversion. This board contains GaN transist
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Jie, Shao, Wang Li, Zhao WeiSong, Zhong YaQin, and Reza Malekian. "Numerical Analysis of Modeling Based on Improved Elman Neural Network." Scientific World Journal 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/271593.

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A modeling based on the improved Elman neural network (IENN) is proposed to analyze the nonlinear circuits with the memory effect. The hidden layer neurons are activated by a group of Chebyshev orthogonal basis functions instead of sigmoid functions in this model. The error curves of the sum of squared error (SSE) varying with the number of hidden neurons and the iteration step are studied to determine the number of the hidden layer neurons. Simulation results of the half-bridge class-D power amplifier (CDPA) with two-tone signal and broadband signals as input have shown that the proposed beha
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Dissertations / Theses on the topic "Half-bridge Class D amplifier"

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Engstrand, Johan, Niklas Kavathatzopoulos, and Jonathan Nordenholm. "Simulation and Construction of a Half-Bridge Class D Audio Amplifier." Thesis, Uppsala universitet, Fasta tillståndets elektronik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-353789.

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Usage of class D audio amplifiers has become increasingly widespread in recent years, mainly due to their high efficiency, which can reach almost 100 %. Class D amplifiers can also be compact, making them suitable for mobile applications. In contrast, the most efficient conventional amplifiers such as class B can reach a maximum efficiency of 78.5 %. The high efficiency of class D amplifiers can be attributed to the switching stage, which in the case of a half-bridge design consists of two amplifying MOSFETs. These MOSFETs are never on at the same time, which minimizes the quiescent current an
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Wang, Xusheng. "Ultrasonic Generator for Surgical Applications and Non-invasive Cancer Treatment by High Intensity Focused Ultrasound." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS052/document.

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La technique de haute intensité ultrasons focalisés (HIFU) est maintenant largement utilisée pour le traitement du cancer, grâce à son avantage non-invasif. Dans un système de HIFU, une matrice de transducteurs à ultrasons est pilotée en phase pour produire un faisceau focalisé d'ultrasons (1M ~ 10 MHz) dans une petite zone de l'emplacement de la cible sur le cancer dans le corps. La plupart des systèmes HIFU sont guidées par imagerie par résonance magnétique (IRM) dans de nos jours. Dans cette étude de doctorat, un amplificateur de puissance de classe D en demi-pont et un système d'accord aut
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Chen-Si, Lin, and 林岑思. "A Full-Bridge Class-D Amplifier Using." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/h263r4.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>93<br>The objective of this thesis is to design a Class D audio amplifier based on Finite Receding Horizon Quadratic Optimal Control. Comparing to the traditional Class A or Class AB amplifiers, audio amplifiers based on Class D topology are more efficient in terms of energy conversion and have low cost. An important aspect of digital signal processing is the impact of quantization errors. In this thesis, we focus on the topic about quantization errors and define a cost function, which is utilized to minimize a measure of the quantization distortion by using finite
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Kang-Yuan, Chen, and 陳鏗元. "A Full-Bridge Class-D Amplifier Using Sigma Delta Modulation." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/369nxc.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>93<br>This thesis proposes a design of full-digital class-D amplifier using sigma-delta modulation. The class-D amplifier operating the MOSFET (or IGBT) in saturation mode has the advantages of smaller size and higher power efficiency over traditional class-A/B ones. The underlying principle of generating the switching command is to convert the input signal into an oversampled binary signal. Compared with PWM modulation, sigma-delta modulation produces less distortion, noise and number of switching. The design and stability analysis of digital sigma-delta modulatio
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Chu, Chia-Hung, and 朱家弘. "A Full-Bridge 5.1 Channel Class-D Audio Amplifier Using Sigma-Delta Modulation." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/28075961731087209584.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>94<br>This thesis designs a Class D audio amplifier based on Sigma-Delta Modulator. Instead of working in saturation mode, the transistors of Class D amplifiers operate in the triode and cut-off modes, which is more efficient in terms of energy conversion and has lower cost. Modulators that modulate any signal to a binary signal are needed for Class D amplifiers. However, compared with traditional Pulse-Width Modulator, Sigma-Delta Modulator produces less harmonic distortion and needs fewer number of switching. The quantization scheme in Sigma-Delta Modulator has
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Books on the topic "Half-bridge Class D amplifier"

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Kirsch, Susan. PIC16F Full-Bridge Class d Audio Amplifier Application Note. Microchip Technology Incorporated, 2016.

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Zhu, Juliet. PIC16F Full-Bridge Class d Audio Amplifier Application Note. Microchip Technology Incorporated, 2017.

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Book chapters on the topic "Half-bridge Class D amplifier"

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Buono, Robert N. "Half-Bridge and Full-Bridge Switching Power Stages." In Class-D Audio Power Amplifier Design. Focal Press, 2025. https://doi.org/10.4324/9781003327943-8.

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Conference papers on the topic "Half-bridge Class D amplifier"

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Sala, V. M., J. Cusido, M. Delgado, G. Ruiz, and J. A. Ortega. "Feed-Back Active Control for Half-Bridge Class-D audio amplifiers." In 2008 IEEE International Symposium on Industrial Electronics (ISIE 2008). IEEE, 2008. http://dx.doi.org/10.1109/isie.2008.4677214.

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Hwu, K. I., and Y. T. Yau. "Output power enhancement of full-bridge class-D amplifier." In 2010 International Power Electronics Conference (IPEC - Sapporo). IEEE, 2010. http://dx.doi.org/10.1109/ipec.2010.5543301.

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Cammarata, F., G. Longo, F. Scrimizzi, et al. "A GaN-Based Monolithic Full-Bridge Class D Audio Amplifier." In 2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe). IEEE, 2021. http://dx.doi.org/10.23919/epe21ecceeurope50061.2021.9570673.

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Zhang Yang, Lei Kaizhuo, Zhang Qunfei, He Dengfeng, and Fan Xuchao. "An embedded signal transmitter for UAC based on H-bridge class-D power amplifier." In 2016 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC). IEEE, 2016. http://dx.doi.org/10.1109/icspcc.2016.7753628.

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Sala, V., L. Romeral, T. Garcia, and M. Delgado. "Study of hybrid active control strategies for the Bus-Pumping cancellation in the Half-Bridge Class-D audio power amplifiers." In 2011 IEEE 20th International Symposium on Industrial Electronics (ISIE). IEEE, 2011. http://dx.doi.org/10.1109/isie.2011.5984197.

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Jackel, Steven, R. Lalluz, E. Yarkoni, et al. "New generation of high power laser systems based on multiple-pass amplifiers." In International Laser Science Conference. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/ils.1986.thl1.

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Small, medium, and large solid-state rod amplifiers have typical diameters d and gains g of: l,d = 0.5-3cm, g = 15-50; II, d = 3-7cm, g = 5-15; lll, d = 7-12 cm, g = 2-5. Many applications require overall rod system gains of g = 103-106, terminating in class II or III sized beams. Conventional laser systems achieve this required gain using chains of increasingly larger amplifiers. A new generation laser would use only one or two multiple-pass amplifiers. We have successfully built multiple-pass (and multiple-beam) amplifiers with large fill factors, high coupling efficiency, nonresonant geomet
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Lee, Ji-Hun, Gyeong-Gu Kang, Min-Woo Ko, Gyu-Hyeong Cho та Hyun-Sik Kim. "An 8Ω, 1.4W, 0.0024% THD+N Class-D Audio Amplifier with Bridge-Tied Load Half-Side Switching Mode Achieving Low Standby Quiescent Current of 660μA". У 2020 IEEE Symposium on VLSI Circuits. IEEE, 2020. http://dx.doi.org/10.1109/vlsicircuits18222.2020.9162781.

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Yachiangkam, Samart, Charnyut Karnjanapiboon, Suchart Janjornmanit, et al. "Implementation of Half-Bridge Class D Voltage-Source Inverter for Domestic Medical Applications." In 2022 19th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON). IEEE, 2022. http://dx.doi.org/10.1109/ecti-con54298.2022.9795512.

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Hung, Tsai-Pi, Jeremy Rode, Lawrence E. Larson, and Peter M. Asbeck. "H-Bridge Class-D Power Amplifiers for Digital Pulse Modulation Transmitters." In 2007 IEEE/MTT-S International Microwave Symposium. IEEE, 2007. http://dx.doi.org/10.1109/mwsym.2007.380283.

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Trung, Nguyen Kien, Takuya Ogata, Shinichi Tanaka, and Kan Akatsu. "PCB design for 13.56MHz half-bridge class D inverter for wireless power transfer system." In 2015 9th International Conference on Power Electronics and ECCE Asia (ICPE 2015-ECCE Asia). IEEE, 2015. http://dx.doi.org/10.1109/icpe.2015.7168005.

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