Academic literature on the topic 'Class-D audio amplifier'
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Journal articles on the topic "Class-D audio amplifier"
Kharis, Muhamad, Dhidik Prastiyanto, and Suryono Suryono. "Perbandingan Efisiensi Daya Penguat Audio Kelas AB dengan Penguat Audio Kelas D untuk Keperluan Sound System Lapangan." Jurnal Teknik Elektro 10, no. 2 (December 19, 2018): 54–58. http://dx.doi.org/10.15294/jte.v10i2.11183.
Full textTeplechuk, Mykhaylo A., Anthony Gribben, and Christophe Amadi. "True Filterless Class-D Audio Amplifier." IEEE Journal of Solid-State Circuits 46, no. 12 (December 2011): 2784–93. http://dx.doi.org/10.1109/jssc.2011.2162913.
Full textCox, Stephen M., Meng Tong Tan, and Jun Yu. "A Second-Order Class-D Audio Amplifier." SIAM Journal on Applied Mathematics 71, no. 1 (January 2011): 270–87. http://dx.doi.org/10.1137/100788367.
Full textMurtianta, Budihardja. "PENGUAT KELAS D DENGAN METODE SUMMING INTEGRATOR." Elektrika 11, no. 2 (October 8, 2019): 12. http://dx.doi.org/10.26623/elektrika.v11i2.1693.
Full textHanzlik, Tomasz. "Class D audio amplifier and method for compensation of power supply voltage influence on output audio signal in class D audio amplifier." Journal of the Acoustical Society of America 120, no. 5 (2006): 2400. http://dx.doi.org/10.1121/1.2395103.
Full textZhang, Yan Lei, Gao Feng Zhu, and Tie Bin Wu. "Control Techniques of Class D Audio Power Amplifier." Applied Mechanics and Materials 631-632 (September 2014): 422–26. http://dx.doi.org/10.4028/www.scientific.net/amm.631-632.422.
Full textBerkhout, M. "An integrated 200-w class-d audio amplifier." IEEE Journal of Solid-State Circuits 38, no. 7 (July 2003): 1198–206. http://dx.doi.org/10.1109/jssc.2003.813238.
Full textZhang, Si Min. "IC Design of the Band-Gap Reference and the Triangular Waveform Generator of Class D Audio Amplifier." Applied Mechanics and Materials 511-512 (February 2014): 757–63. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.757.
Full textLIN, CHUN-WEI, and BING-SHIUN HSIEH. "THE MULTILEVEL TECHNIQUE FOR IMPROVING FILTERLESS CLASS-D AUDIO AMPLIFIERS." Journal of Circuits, Systems and Computers 23, no. 04 (April 2014): 1450047. http://dx.doi.org/10.1142/s0218126614500479.
Full textPillonnet, Gael, Remy Cellier, Angelo Nagari, Philippe Lombard, and Nacer Abouchi. "Sliding mode audio class-D amplifier for portable devices." Analog Integrated Circuits and Signal Processing 74, no. 2 (December 7, 2012): 439–51. http://dx.doi.org/10.1007/s10470-012-9989-2.
Full textDissertations / Theses on the topic "Class-D audio amplifier"
Caballero, Angel A. 1981. "A class-D-tracking-rail class-A audio power amplifier." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28384.
Full textIncludes bibliographical references (p. 63-64).
A tracking-rail power audio amplifier was designed and partially implemented to deliver up to 100W into an 8Q load with very low signal distortion and high power efficiency. The design uses a class-A amplifier, known for its low signal distortion but low power efficiency (less than 50%), to amplify the audio signal. Class-D amplifiers, known for their high power efficiency (greater than 85%) but high signal distortion, provide a signal output that will serve as the supply voltages of the output stage of the class-A amplifier. Thus, the rails will track the audio signal, highly increasing the power efficiency of the Class-A amplifier. This amplifier can achieve a theoretical efficiency of 80%, but, in practice, it is closer to 70%.
by Angel A. Caballero.
M.Eng.
Quibell, Jason. "Digital control of a Class-D Audio Amplifier." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/1116.
Full textModern technologies have led to extensive digital music reproduction and distribution. It is fitting then that digital audio be amplified directly from its source rather than being converted to an analogue waveform before amplification. The benefits of using a digital controller for audio processing include being able to easily reconfigure the system and to add additional functions at a later stage.Digital audio is primarily stored as Pulse Code Modulation (PCM) while Pulse Width Modulation (PWM) is the most popular scheme used to drive a class-D amplifier. The class-D amplifier is selected in many applications due to its very high energy efficiency. Conventional PCM to PWM conversion is inherently nonlinear. Various interpolation schemes are presented in this research project which help to address the nonlinearity.Digitally generated PWM has a limited resolution which is constrained by the system clock. This thesis presents noise shaping techniques which increase the effective resolution of the PWM process without having to use an excessively high system clock. Noise shaping allows a low resolution modulator to be used to reproduce high resolution audio.
PONNAMANENI, SANJITH KUMAR. "A NOVEL AUDIO AMPLILFIER COMBINING LINEAR AND SWITCHING TECHNIQUES." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1109274094.
Full textEngstrand, 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.
Full textKemp, Pieter Stephanus. "The design of an analogue class-D audio amplifier using Z-domain methods." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20084.
Full textENGLISH ABSTRACT: The class-D audio power amplifier has found widespread use in both the consumer and professional audio industry for one reason: efficiency. A higher efficiency leads to a smaller and cheaper design, and in the case of mobile devices, a longer battery life. Unfortunately, the basic class-D amplifier has some serious drawbacks. These include high distortion levels, a load dependent frequency response and the potential to radiate EMI. Except for EMI, the aforementioned issues can be mitigated by the proper implementation of global negative feedback. Negative feedback also has the potential to indirectly reduce EMI, since the timing requirements of the output devices can be relaxed. This thesis discusses the design of a clocked analogue controlled pulse-width modulated class-D audio amplifier with global negative feedback. The analogue control loop is converted to the z-domain by modelling the PWM comparator as a sampling operation. A method is implemented that improves clip recovery and ensures stability during over-modulation. Loop gain is shaped to provide a high gain across the audio band, and ripple compensation is implemented to minimize the negative effect of ripple feedback. Experimental results are presented.
AFRIKAANSE OPSOMMING: Die klas-D klankversterker geniet wydverspreide gebruik in beide die verbruiker en professionele oudio industrie vir een rede: benuttingsgraad. ’n Hoër benuttingsgraad lei tot ’n kleiner en goedkoper ontwerp, en in die geval van draagbare toestelle, tot langer batterylewe. Ongelukkig het die basiese klas-D klankversterker ernstige tekortkominge, naamlik hoë distorsievlakke, ’n lasafhanklike frekwensierespons en die vermoë om EMI te genereer. Behalwe vir EMI kan hierdie kwessies deur die korrekte toepassing van globale negatiewe terugvoer aangespreek word. Negatiewe terugvoer het ook die potensiaal om EMI indirek te verminder, aangesien die tydvereistes van die skakel stadium verlaag kan word. Hierdie tesis bespreek die ontwerp van ’n geklokte analoog-beheerde pulswydte-modulerende klas-D klankversterker met globale negatiewe terugvoer. Die analoogbeheerlus word omgeskakel na die z-vlak deur die PWM vlakvergelyker as ’n monster operasie te modelleer. ’n Metode word geïmplementeer wat die stabiliteit van die lus verseker tydens oormodulasie. Die lusaanwins word gevorm om ’n hoë aanwins in die oudioband te verseker en riffelkompensasie word geïmplementeer om die negatiewe effek van terugvoerriffel teen te werk. Eksperimentele resultate word voorgelê.
Kelati, Amleset. "Theory and Implementation of CMOS Class-D Digital Audio Amplifier for Portable Application." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-143518.
Full textPereira, Nuno Ruben Ferreira. "Implementation of a sigma delta modulator for a class D audio power amplifier." Master's thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/10046.
Full textSvadbík, Vít. "Návrh a konstrukce spínaného audio koncového zesilovače." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218603.
Full textKonečný, Jiří. "Návrh stereo audio koncového zesilovače spínané třídy." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220270.
Full textMelo, João Luís Alvernaz de. "Design of a Continuous-Time (CT) Sigma-Delta modulator for class D audio power amplifiers." Master's thesis, Faculdade de Ciências e Tecnologia, 2010. http://hdl.handle.net/10362/13154.
Full textBooks on the topic "Class-D audio amplifier"
Varona, Salazar Jorge. A low-voltage fully-monolithic delta-sigma based class-D audio amplifier in 0.18[mu]m CMOS. Ottawa: National Library of Canada, 2002.
Find full textPereira, Nuno, and Nuno Paulino. Design and Implementation of Sigma Delta Modulators (ΣΔM) for Class D Audio Amplifiers using Differential Pairs. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-11638-9.
Full textDesign Techniques for Integrated CMOS Class-D Audio Amplifiers. World Scientific Publishing Co Pte Ltd, 2015.
Find full textPaulino, Nuno, and Nuno Pereira. Design and Implementation of Sigma Delta Modulators for Class D Audio Amplifiers using Differential Pairs. Springer, 2014.
Find full textBook chapters on the topic "Class-D audio amplifier"
Ballan, Hussein, and Michel Declercq. "12V Delta-Sigma Class-D Audio Amplifier." In High Voltage Devices and Circuits in Standard CMOS Technologies, 227–66. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4757-5404-9_7.
Full textZhao, Fei, Yong Xu, Cheng Hu, Yuanliang Wu, and Limei Ma. "Key Techniques of Class D Audio Power Amplifier." In Recent Advances in Computer Science and Information Engineering, 605–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25792-6_92.
Full textChen, Ruei-Chang, Shih-Fong Lee, and Yeong-Chau Kuo. "Low Power Pulse Width Modulation Design for Class D Audio Amplifier Systems." In Information Computing and Applications, 136–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-34062-8_18.
Full textDas, Basudeb, Shibabrata Mukherjee, and Saswati Mazumdar. "Bidirectional Audio Transmission in Optical Wireless Communication Using PWM and Class D Amplifier." In Nanoelectronics, Circuits and Communication Systems, 131–45. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7486-3_14.
Full textLeitão, Pedro V., João L. A. de Melo, and Nuno Paulino. "Design of a Fully Differential Power Output Stage for a Class D Audio Amplifier Using a Single-Ended Power Supply." In IFIP Advances in Information and Communication Technology, 565–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37291-9_61.
Full textPereira, Nuno, João L. A. de Melo, and Nuno Paulino. "Design of a 3rd Order 1.5-Bit Continuous-Time Fully Differential Sigma-Delta (ΣΔ) Modulator Optimized for a Class D Audio Amplifier Using Differential Pairs." In IFIP Advances in Information and Communication Technology, 639–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37291-9_69.
Full textPereira, Nuno, and Nuno Paulino. "Class D Audio Amplifiers and Data Conversion Fundamentals." In SpringerBriefs in Electrical and Computer Engineering, 5–24. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11638-9_2.
Full textBerkhout, Marco. "Design of Class-D Audio Power Amplifiers in Soi Technology." In Analog Circuit Design, 153–76. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4020-2805-2_8.
Full textAlvarez, Kevin, Julio C. Urenda, and Vladik Kreinovich. "Why Class-D Audio Amplifiers Work Well: A Theoretical Explanation." In How Uncertainty-Related Ideas Can Provide Theoretical Explanation For Empirical Dependencies, 15–20. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65324-8_3.
Full textBerkhout, Marco. "Balancing Efficiency, EMI, and Application Cost in Class-D Audio Amplifiers." In Low-Power Analog Techniques, Sensors for Mobile Devices, and Energy Efficient Amplifiers, 315–37. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-97870-3_15.
Full textConference papers on the topic "Class-D audio amplifier"
Kovacevic, Svjetlana, Tatjana Pesic-Brdjanin, and Jovan Galic. "Class D Audio Amplifier with Reduced Distortion." In 2018 International Symposium on Industrial Electronics (INDEL). IEEE, 2018. http://dx.doi.org/10.1109/indel.2018.8637607.
Full textJoshi, Sridhar, and Parthasarathi Sensarma. "Class D audio amplifier with hybrid control." In 2015 9th International Conference on Power Electronics and ECCE Asia (ICPE 2015-ECCE Asia). IEEE, 2015. http://dx.doi.org/10.1109/icpe.2015.7167784.
Full textYang, Liwei, Limei Xu, Tai Yang, and Bo Zhang. "Class D Power Amplifier for Audio Beam System." In 2007 International Conference on Mechatronics and Automation. IEEE, 2007. http://dx.doi.org/10.1109/icma.2007.4304121.
Full textBerkhout, Marco, and Lutsen Dooper. "A 3.4W digital-in class-D audio amplifier." In ESSCIRC 2011 - 37th European Solid State Circuits Conference. IEEE, 2011. http://dx.doi.org/10.1109/esscirc.2011.6044921.
Full textChun Wei Lin, Bing-Shiun Hsieh, and Yu Cheng Lin. "Enhanced design of filterless class-D audio amplifier." In 2009 Design, Automation & Test in Europe Conference & Exhibition (DATE'09). IEEE, 2009. http://dx.doi.org/10.1109/date.2009.5090882.
Full textNyboe, F., C. Kaya, L. Risbo, and P. Andreani. "A 240W Monolithic Class-D Audio Amplifier Output Stage." In 2006 IEEE International Solid-State Circuits Conference. Digest of Technical Papers. IEEE, 2006. http://dx.doi.org/10.1109/isscc.2006.1696183.
Full textNagari, Angelo. "Design of Class-D amplifier for audio portable solutions." In 2014 10th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME). IEEE, 2014. http://dx.doi.org/10.1109/prime.2014.6872723.
Full textMrad, Roberto, Florent Morel, Gael Pillonnet, Christian Vollaire, and Angelo Nagari. "Conducted EMI prediction for integrated class D audio amplifier." In 2011 18th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2011). IEEE, 2011. http://dx.doi.org/10.1109/icecs.2011.6122295.
Full textHaddad, Kevin El, Roberto Mrad, Florent Morel, Gael Pillonnet, Christian Vollaire, and Angelo Nagari. "Ferrite bead effect on Class-D amplifier audio quality." In MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference. IEEE, 2014. http://dx.doi.org/10.1109/melcon.2014.6820510.
Full textLin, Ping. "Design and realization of class D audio power amplifier." In International Conference on Communication Technology. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/icct130101.
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