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Construction of class T audio amplifier
Tejmlová, Lenka ; Slezák, Josef (referee) ; Petržela, Jiří (advisor)
The aim of my bachelor’s thesis is to collect information about amplifiers, working in the T class. Because these amplifiers are usually used as digital power processing audio amplifiers, we mostly insist on the ability of sending, the signal without distortion, to amplify the frequency broadband signal, to obtain the high efficiency of the output stages and to obtain the peak quality of the sound. My task is to gather information and facts of principle of the function of the audio amplifiers working in the T class and reasonably priced integrated circuits of this class. Furthermore I am going to focus on the design of wiring of this amplifier with the 2x20 watts output, including the correction pre-amplifier, which provides correction of the heights, basses and volume. The amplifier is realized, in the end of bachelor’s thesis, there are measured it’s characteristics, which are compared to theory.
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Measurement of the total harmonic distortion
Drbohlav, Lukáš ; Kratochvíl, Tomáš (referee) ; Dřínovský, Jiří (advisor)
This thesis deals with the automated measurement of parameters of a simple transistor amplifier using the acquisition unit Agilent U2351A in the program Agilent VEE. Part of this work is to design a simple transistor amplifier operating in the audio frequency band. There is described the analysis of individual classes and parameters of these amplifiers, the possibilities of their measurement, especially the possibility of measuring the harmonic distortion. The work also includes a proposal to the measuring task with data acquisition unit for laboratory exercise of the subject Radioelectronics measurements.
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Measurement of the total harmonic distortion
Drbohlav, Lukáš ; Kratochvíl, Tomáš (referee) ; Dřínovský, Jiří (advisor)
This thesis deals with the automated measurement of parameters of a simple transistor amplifier using the acquisition unit Agilent U2351A in the program Agilent VEE. Part of this work is to design a simple transistor amplifier operating in the audio frequency band. There is described the analysis of individual classes and parameters of these amplifiers, the possibilities of their measurement, especially the possibility of measuring the harmonic distortion. The work also includes a proposal to the measuring task with data acquisition unit for laboratory exercise of the subject Radioelectronics measurements.
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Construction of class T audio amplifier
Tejmlová, Lenka ; Slezák, Josef (referee) ; Petržela, Jiří (advisor)
The aim of my bachelor’s thesis is to collect information about amplifiers, working in the T class. Because these amplifiers are usually used as digital power processing audio amplifiers, we mostly insist on the ability of sending, the signal without distortion, to amplify the frequency broadband signal, to obtain the high efficiency of the output stages and to obtain the peak quality of the sound. My task is to gather information and facts of principle of the function of the audio amplifiers working in the T class and reasonably priced integrated circuits of this class. Furthermore I am going to focus on the design of wiring of this amplifier with the 2x20 watts output, including the correction pre-amplifier, which provides correction of the heights, basses and volume. The amplifier is realized, in the end of bachelor’s thesis, there are measured it’s characteristics, which are compared to theory.
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