Academic literature on the topic 'Class-D'
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Journal articles on the topic "Class-D"
Morishima, Morito. "Class D amplifier." Journal of the Acoustical Society of America 126, no. 5 (2009): 2830. http://dx.doi.org/10.1121/1.3262539.
Full textMorishima, Morito. "Class D amplifier." Journal of the Acoustical Society of America 127, no. 3 (2010): 1704. http://dx.doi.org/10.1121/1.3359223.
Full textChen, Ming-Hsiung. "Class D Amplifier." Journal of the Acoustical Society of America 130, no. 5 (2011): 3174. http://dx.doi.org/10.1121/1.3662352.
Full textMikotajewski, M. "Class D synchronous rectifiers." IEEE Transactions on Circuits and Systems 38, no. 7 (July 1991): 694–97. http://dx.doi.org/10.1109/31.135741.
Full textFanori, Luca, and Pietro Andreani. "Class-D CMOS Oscillators." IEEE Journal of Solid-State Circuits 48, no. 12 (December 2013): 3105–19. http://dx.doi.org/10.1109/jssc.2013.2271531.
Full textKim, Young-Woong, Jong-Gyun Lim, Won-Shil Kang, and Hyun-Chul Ku. "Design of Current-Mode Class-D 900 MHz RF Power Amplifier Using Inverse Class-F Technology." Journal of Korean Institute of Electromagnetic Engineering and Science 22, no. 12 (December 31, 2011): 1060–68. http://dx.doi.org/10.5515/kjkiees.2011.22.12.1060.
Full textHusar, B., V. Kovalyshyn, V. Marych, R. Lozynskyi, and P. Pastukhov. "COMBINED EXTINGUISHING OF CLASS D, CLASS A AND CLASS B FIRES." Fire Safety 35 (February 26, 2020): 30–34. http://dx.doi.org/10.32447/20786662.35.2019.05.
Full textAntunes, Nuno, and Jed Fisher. "Acquired Class D β-Lactamases." Antibiotics 3, no. 3 (August 21, 2014): 398–434. http://dx.doi.org/10.3390/antibiotics3030398.
Full textKillion, Mead C. "Class D hearing aid amplifier." Journal of the Acoustical Society of America 81, no. 1 (January 1987): 207–8. http://dx.doi.org/10.1121/1.395007.
Full textKillion, Mead C. "Class D hearing aid amplifier." Journal of the Acoustical Society of America 83, no. 5 (May 1988): 1991. http://dx.doi.org/10.1121/1.396469.
Full textDissertations / Theses on the topic "Class-D"
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.
Hall, Fenella T. H. "Mathematical models for class-D amplifiers." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/11891/.
Full textBurrow, Stephen George. "Low power, high efficiency Class D amplifiers." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271779.
Full textGoodfellow, John Kevin. "D-class amplifiers for current waveform generation." Thesis, Imperial College London, 1999. http://hdl.handle.net/10044/1/7266.
Full textPettersson, Robin, and Sahag Normanian. "Low-Consuming Class D Amplifier For Rough Environments." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-12272.
Full textQuibell, 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.
Kong, Youxin. "Structural studies of Class A and D plexins." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:e5e4aa99-e348-4dd9-97a8-bc5825c79a69.
Full textBURRA, RAVIKANTH. "DESIGN METHODOLOGIES OF CLASS D AUDIO SWITCHING AMPLIFIERS." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123767048.
Full textStark, Stefan. "Direct Digital Pulse Width Modulation for Class D Amplifiers." Thesis, Linköping University, Department of Electrical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8476.
Full textClass D amplifiers are becoming increasingly popular in audio devices. The strongest reason is the high efficiency which makes it advantageous for portable battery-driven products.
Infineon Technologies is developing products in this area, and has recently filed a patent application regarding an implementation of a part of the class D amplifier. The aim of this Master’s thesis is to evaluate a digital open-loop implementation of a class D amplifier, using the pending patent solution, and discuss the differences from an analog closed-loop implementation.
The focus has been on generating a high resolution PWM signal with a relatively low clock frequency. To achieve this, a hybrid of a counter and a self-calibrating tapped delay-line are used as a pulse generator. A model of the pulse generator was developed which made it possible to study how sampling frequency and different types of quantization affected quality parameters such as THD and SNR. With the results from the model two systems were implemented and simulated in HDL and as circuit schematics.
The proposed digital open-loop class D amplifier was found to be useful in voice-band applications and for music. Since the open-loop structure suffers from poor rejection of power supply ripple, either error correction or a regulated power supply is needed. If much effort is put on the different parts of the amplifier the result can be really good but, depending on other constraints on the system, it may be simpler and less time consuming to use the analog circuit with feedback to achieve hi-fi quality.
In summary, the combination of a counter and a self-calibrating tapped delay-line as a pulse generator is very useful in high resolution low-power systems. To avoid errors the delay-line and calibration can be made very accurate but with the expense of higher power consumption and area. However, the technique benefits from the small and fast logic devices available in deep sub-micron process technologies, which may finally lead to an advantage in power consumption and cost over the closed-loop analog solution.
Jacobs, Deon. "Digital pulse width modulation for Class-D audio amplifiers." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/1574.
Full textDigital audio data storage mediums have long been used within the consumer market. Today, because of the advancement of processor clock speeds and increased MOSFET switching capabilities, digital audio data formats can be directly amplified using power electronic inverters. These amplifiers known as Class-D have an advantage over there analogue counterparts because of their high efficiency. This thesis deals with the signal processing algorithms necessary to convert the digital audio data obtained from the source to a digital pulse width modulated signal which controls a full bridge inverter for audio amplification. These algorithms address difficulties experienced in the past which prevented high fidelity digital pulse width modulators to be implemented. The signal processing algorithms are divided into modular blocks, each of which are defined in theory, designed and simulated in Matlab® and then implemented within VHDL firmware. These firmware blocks are then used to realize a Class-D audio amplifier.
Books on the topic "Class-D"
Division, Library of Congress Subject Cataloging. Class D, history: General and old world. 2nd ed. Detroit, Mich: Gale Research Co., 1987.
Find full textClassification. Class D. Subclass DS. History of Asia. 3rd ed. Washington: Library of Congress, 1987.
Find full textClassification. Class D. Subclasses D-DJ. History (general). History of Europe, part 1. 3rd ed. Washington: Library of Congress, 1990.
Find full textClassification. Class D. Subclasses DL-DR. History of Europe, part 2. 3rd ed. Washington: Library of Congress, 1990.
Find full textClassification. Class D. Subclasses DT-DX. History of Africa, Australia, New Zealand, etc. 3rd ed. Washington: Library of Congress, 1989.
Find full textPopielarz, Edward D. Guardian of your soul: A class in acceptance : notes of Edward D. Popielarz. Boca Raton, Fla: Jeremiah Press, 1997.
Find full textClassification. Class D. Subclasses DJK-DK. History of Eastern Europe (general), Soviet Union, Poland. 3rd ed. Washington: Library of Congress, 1987.
Find full textPractices, LLC Best. Incorporating biomarker research for R&D success: Access and intelligence for achieving world-class excellence. Chapel Hill, NC: Best Practices, LLC, 2004.
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 textVarona, 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 textBook chapters on the topic "Class-D"
Danel, Franck, Malcolm G. P. Page, and David M. Livermore. "Class D β-Lactamases." In Enzyme-Mediated Resistance to Antibiotics, 163–94. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555815615.ch11.
Full textSedighi, Art, and Milton Smith. "Class D Results and Simulations." In Fair Scheduling in High Performance Computing Environments, 111–22. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14568-2_13.
Full textPiessens, Tim, and Michiel Steyaert. "Class D Self-Oscillating Line Drivers." In Analog Circuit Design, 309–31. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/0-306-48707-1_15.
Full textBallan, 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 textMcCloy-Stevens, Mark, Toru Ido, Hamed Sadati, Yu Tamura, and Paul Lesso. "A Deep Sub-micron Class D Amplifier." In Low-Power Analog Techniques, Sensors for Mobile Devices, and Energy Efficient Amplifiers, 339–52. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-97870-3_16.
Full textRobič, Borut. "The Class $$ \mathcal{D} $$ of Degrees of Unsolvability." In The Foundations of Computability Theory, 255–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44808-3_13.
Full textRobič, Borut. "The Class $$ \mathcal{D} $$ of Degrees of Unsolvability." In The Foundations of Computability Theory, 273–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-62421-0_13.
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 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 textMoreno-Díaz, Arminda, Gabriel de Blasio, and Roberto Moreno-Díaz. "A Class of 3-D Distributed Modular Computing Nets." In Computer Aided Systems Theory – EUROCAST 2015, 103–9. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27340-2_14.
Full textConference papers on the topic "Class-D"
Kiri, Akito, Kouta Ohara, Yoshihiro Tomita, Seiji Shukuri, Takeshi Yasukouchi, and Tadashi Suetsugu. "Class D and class E selectable power amplifier." In INTELEC 2009 - 2009 International Telecommunications Energy Conference. IEEE, 2009. http://dx.doi.org/10.1109/intlec.2009.5351909.
Full textBalmelli, Pio, John Khoury, Eduardo Viegas, Paulo Santos, and Vitor Pereira. "Linearization of class D amplifiers." In 2012 IEEE Custom Integrated Circuits Conference - CICC 2012. IEEE, 2012. http://dx.doi.org/10.1109/cicc.2012.6330567.
Full textGinzburg, N. S., E. R. Kocharovskaya, and A. S. Sergeev. "Class D lasers vs. class B lasers: Dynamical spectra analysis." In 2013 IEEE 12th International Conference on Laser and Fiber-Optical Networks Modeling (LFNM). IEEE, 2013. http://dx.doi.org/10.1109/lfnm.2013.6644821.
Full textZhang, Peikun, and ZhiGuo Lu. "Dynamic behavior of class D lasers." In OE/LASE '94, edited by Vern N. Smiley and Frank K. Tittel. SPIE, 1994. http://dx.doi.org/10.1117/12.176656.
Full textEdelmoser and Himmelstoss. "High Dynamic Class-D Power Amplifier." In 1998 International Conference on Consumer Electronics. IEEE, 1997. http://dx.doi.org/10.1109/icce.1997.625974.
Full textMendenhall, Eric. "Class D Amplifier with Ripple Steering." In PEC 07 - Twenty-Second Annual IEEE Applied Power Electronics Conference and Exposition. IEEE, 2007. http://dx.doi.org/10.1109/apex.2007.357745.
Full textRaab, F. H. "Frequency-agile class-D power amplifier." In Ninth International Conference on HF Radio Systems and Techniques. IEE, 2003. http://dx.doi.org/10.1049/cp:20030434.
Full textRandall, Robert C., and David Brown. "Velocity control with class D amplifiers." In ICA 2013 Montreal. ASA, 2013. http://dx.doi.org/10.1121/1.4799161.
Full textKang, Yang, Tong Ge, Huiqiao He, and Joseph S. Chang. "A review of audio Class D amplifiers." In 2016 International Symposium on Integrated Circuits (ISIC). IEEE, 2016. http://dx.doi.org/10.1109/isicir.2016.7829693.
Full textBerkhout, Marco. "Class-D audio amplifiers in mobile applications." In 2009 IEEE International Symposium on Circuits and Systems - ISCAS 2009. IEEE, 2009. http://dx.doi.org/10.1109/iscas.2009.5117969.
Full textReports on the topic "Class-D"
Nielsen, R. J. Noise Generation in Class A-D Amplifiers. Fort Belvoir, VA: Defense Technical Information Center, August 1988. http://dx.doi.org/10.21236/ada203259.
Full textAuthor, Not Given. The CALS Test Network MIL-D-28000 Class II reference drawing packet: Revision C. Office of Scientific and Technical Information (OSTI), January 1989. http://dx.doi.org/10.2172/6187929.
Full textAuthor, Not Given. Engineering drawing transfer test with Douglas Aircraft Company: MIL-D-28000 Class II (IGES). Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/6032847.
Full textFish, L. W. Greater-than-Class C low-level radioactive waste characterization. Appendix D-3: Characterization of greater-than-Class C low-level radioactive waste from other generators. Office of Scientific and Technical Information (OSTI), September 1994. http://dx.doi.org/10.2172/132664.
Full textBonzon, L., D. Hente, B. Kukreti, J. Schendel, J. Tulk, W. Janis, D. Black, G. Paulsen, and B. Aucoin. Test Series 3: seismic-fragility tests of naturally-aged Class 1E C and D LCU-13 battery cells. Office of Scientific and Technical Information (OSTI), March 1985. http://dx.doi.org/10.2172/5533663.
Full textBroidy, Frank, Ralph Clayton, Brandon Troc, and Joseph Mirabal. Development of a Nitrogen and Magnesium Oxide based Class A, B & D Suffocating Fire System (SFSS) for Gloveboxes. Office of Scientific and Technical Information (OSTI), March 2021. http://dx.doi.org/10.2172/1773318.
Full textLAWRENCE LIVERMORE NATIONAL LAB CA. Technical Publication Transfer Test with Texas Instruments: MIL-M-28001 (SGML) and MIL-D-28000 Class I (IGES): Quick Short Test Report. Fort Belvoir, VA: Defense Technical Information Center, September 1990. http://dx.doi.org/10.21236/ada267878.
Full textCALIFORNIA UNIV LIVERMORE RADIATION LAB. Technical Publication Transfer Test with Pratt and Whitney: MIL-M-2800O1 (SGML) and MIL-D-28000 Class I (IGES). Quick Short Test Report. Fort Belvoir, VA: Defense Technical Information Center, February 1990. http://dx.doi.org/10.21236/ada313481.
Full textAnnette Schafer, Arthur S. Rood, and A. Jeffrey Sondrup. Explanation of Significant Differences Between Models used to Assess Groundwater Impacts for the Disposal of Greater-Than-Class C Low-Level Radioactive Waste and Greater-Than-Class C-Like Waste Environmental Impact Statement (DOE/EIS-0375-D) and the. Office of Scientific and Technical Information (OSTI), August 2011. http://dx.doi.org/10.2172/1031698.
Full textMartínez Álvarez, Silvia, and Ana Lorena De Varela. Aprendamos todos a leer: Fascículo 19: Toda la familia lee y escribe conmigo. Inter-American Development Bank, November 2020. http://dx.doi.org/10.18235/0002990.
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