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Design and making of low-frequency power amplifier in class AB
Dušek, Martin ; Kratochvíl, Tomáš (referee) ; Brančík, Lubomír (advisor)
In this bachelor thesis I am occupied with low frequency amplifiers, theirs important parameters, classes and with integrations end-level. Next I am occupied with miscellaneous types of preamplifiers and additional circuits. There are simulated schemes of corrective preamplifier, protections scheme and high power amplifier in PSpice software in this thesis. These schemes and next additional modules are connected with DPS. This thesis contains result of measurement and photo functional sample.
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Amplifier for subwoofer with output power 100 W
Chevalier, Stanislav ; Petržela, Jiří (referee) ; Kratochvíl, Tomáš (advisor)
This project is focused on design of the power amplifier for subwoofer, its circuit’s protection, speaker’s protection and design of the filter for subwoofer. The amplifier is operating in AB class and its power is up to 100 W/ 4 ohms. It is made of discrete electronics components and devices. The protections of the amplifier are against short circuit in output, the speaker pops when turned on and against the DC voltage at the amplifier’s output. Filter for subwoofer contains combiner at the input, volume control, subsonic filter, low-pass filter with adjustable cut-off frequency and output amplifier with possibility of phase changing of the output signal.
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Amplifier for subwoofer with output power 100 W
Chevalier, Stanislav ; Petržela, Jiří (referee) ; Kratochvíl, Tomáš (advisor)
This project is focused on design of the power amplifier for subwoofer, its circuit’s protection, speaker’s protection and design of the filter for subwoofer. The amplifier is operating in AB class and its power is up to 100 W/ 4 ohms. It is made of discrete electronics components and devices. The protections of the amplifier are against short circuit in output, the speaker pops when turned on and against the DC voltage at the amplifier’s output. Filter for subwoofer contains combiner at the input, volume control, subsonic filter, low-pass filter with adjustable cut-off frequency and output amplifier with possibility of phase changing of the output signal.
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Amplifier for subwoofer with output power 100 W
Chevalier, Stanislav ; Petržela, Jiří (referee) ; Kratochvíl, Tomáš (advisor)
This project is focused on design of the power amplifier for subwoofer, its circuit’s protection, speaker’s protection and design of the filter for subwoofer. The amplifier is operating in AB class and its power is up to 100 W/ 4 ohms. It is made of discrete electronics components and devices. The protections of the amplifier are against short circuit in output, the speaker pops when turned on and against the DC voltage at the amplifier’s output. Filter for subwoofer contains combiner at the input, volume control, subsonic filter, low-pass filter with adjustable cut-off frequency and output amplifier with possibility of phase changing of the output signal.
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|
|
Design and making of low-frequency power amplifier in class AB
Dušek, Martin ; Kratochvíl, Tomáš (referee) ; Brančík, Lubomír (advisor)
In this bachelor thesis I am occupied with low frequency amplifiers, theirs important parameters, classes and with integrations end-level. Next I am occupied with miscellaneous types of preamplifiers and additional circuits. There are simulated schemes of corrective preamplifier, protections scheme and high power amplifier in PSpice software in this thesis. These schemes and next additional modules are connected with DPS. This thesis contains result of measurement and photo functional sample.
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