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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Switch stereo low frequency signals
 Lukesle, Václav ; Jankovský, Jaroslav (referee) ; Hejátková, Edita (advisor)
The work proposes steps for fabricating low-frequency preamplifier including switchable inputs and the output equalizer. In the beginning of the thesis theoretical principles of amplifying the low-frequency signals are introduced. For setting the resonance frequency of equalizer the gyrator filter has been used. By setting the aforementioned frequency and tuning the potentiometer we are able to change the quality factor as well as the gain of the entire circuit. Benefit of this work is a large flexibility for tuning the output signal including a possibility of selection of four various inputs. Simulation and measurement results, PCB and a summary of discrete components are finally attached.
Detailed record
Switch stereo low frequency signals
 Lukesle, Václav ; Jankovský, Jaroslav (referee) ; Hejátková, Edita (advisor)
The work proposes steps for fabricating low-frequency preamplifier including switchable inputs and the output equalizer. In the beginning of the thesis theoretical principles of amplifying the low-frequency signals are introduced. For setting the resonance frequency of equalizer the gyrator filter has been used. By setting the aforementioned frequency and tuning the potentiometer we are able to change the quality factor as well as the gain of the entire circuit. Benefit of this work is a large flexibility for tuning the output signal including a possibility of selection of four various inputs. Simulation and measurement results, PCB and a summary of discrete components are finally attached.
Detailed record

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