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Item Information   Holdings       More by this author     Midstokke, Kenneth, author.     Mossbrucker, Dr. Joerg, thesis advisor     Kumpaty, Dr. Subha     Shimek, Gary     Milwaukee School of Engineering     Subjects     Feedback amplifiers -- Design and construction.     Operational amplifiers -- Design and construction.     Audio amplifiers     Frequency response (Dynamics)     MSE Project.     Browse Catalog     by author:      Midstokke, Kenneth, author.      Mossbrucker, Dr. Joerg, thesis advisor      Kumpaty, Dr. Subha      Shimek, Gary      Milwaukee School of Engineering       by title:      Current feedback amp...         MARC Display

Current feedback amplifiers used in audio amplification : a project submitted to the faculty of the Milwaukee School of Engineering in partial fulfillment of the requirements for the degree of Master of Science in Electrical Engineering / by Kenneth Midstokke. by Midstokke, Kenneth, author., Mossbrucker, Dr. Joerg, thesis advisor, Kumpaty, Dr. Subha, Shimek, Gary, Milwaukee School of Engineering [Milwaukee School of Engineering], [2016] Subjects Feedback amplifiers -- Design and construction.   Operational amplifiers -- Design and construction.   Audio amplifiers   Frequency response (Dynamics)   MSE Project. Description:  62 leaves : illustrations ; 29 cm Contents:  Introduction -- Description of project -- Goals -- Literature research -- Methods -- Results -- Discussion -- Conclusions and recommendations -- Appendix A: Amplifier schematic and datasheets. The purpose of this graduate capstone project was to design a current feedback based audio amplifier which meets a specific set of design specifications. Current feedback is a type of amplifier topology which is in contrast to voltage feedback. Current feedback has the properties of high slew rate, wide bandwidth, low distortion, and gain/bandwidth independence. Voltage feedback has limitations in those respects. The only points where current feedback is limited by comparison is in its levels of gain and stability, which are addressed in the project development. The design of the amplifier was approached through extensive research on the subjects of current feedback topology and audio amplification. It was determined that the most important aspect of designing the amplifier is analyzing it in terms of major sections, and then further analyzing those major sections on a sub-section basis. Specific components can then be selected and incorporated into a basic, but essential circuit layout. Iterative testing and design alteration then allows the circuit performance to be developed. Testing of the amplifier circuit in simulation (Multisim) provided several key results. The specified bandwidth, total harmonic distortion, and signal-to-noise ratio were achieved, but the slew rate, closed-loop gain, and RMS power output fell short. It is believed that these shortcomings were due to the way frequency compensation was implemented, and is discussed further in detail in this report. Form:  text unmediated volume   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .M54 2016 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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