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Title:Izboljšanje linearnosti prenosne karakteristike ojačevalnika v razredu AB
Authors:ID Marinšek, Žan (Author)
ID Kos, Marko (Mentor) More about this mentor... New window
Files:.pdf MAG_Marinsek_Zan_2024.pdf (6,60 MB)
MD5: 813D4B9B4854EA69F4A414D871020BFA
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V zaključnem delu je opisano teoretično ozadje delovanja močnostnega ojačevalnika in načini, s katerimi izboljšamo njegovo prenosno karakteristiko. Predstavljeni so celoten postopek načrtovanja, vključno z močnostnim ojačevalnikom, predojačevalnikom in napajalnikom ter izvedene simulacije in meritve, s katerimi ovrednotimo izdelano vezje. Pri izdelavi močnostnega ojačevalnika v razredu AB smo uporabili izključno diskretne komponente, medtem ko so pri predojačevalniku vključena tudi integrirana vezja. Poleg tega je predstavljena izvedba termične regulacije, ki je ključnega pomena za preprečitev termičnega pobega in za zagotavljanje stabilnega delovanja vezja.
Keywords:močnostni ojačevalnik, negativna povratna vezava, BJT tranzistor, operacijski ojačevalnik, termična regulacija, razred AB
Place of publishing:Maribor
Publisher:[Ž. Marinšek]
Year of publishing:2024
PID:20.500.12556/DKUM-90994 New window
UDC:621.375.1(043.2)
COBISS.SI-ID:221394435 New window
Publication date in DKUM:23.12.2024
Views:0
Downloads:47
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:15.10.2024

Secondary language

Language:English
Title:Improvement of the linearity of the transfer characteristics of an AB class amplifier
Abstract:The final work describes the theoretical background of the power amplifier and the methods used to improve its transfer characteristics. The complete design process is presented, including the power amplifier, preamplifier and power supply, as well as the simulations and measurements used to evaluate the constructed circuit. In the design of the AB class power amplifier, only discrete components were used, while integrated circuits were included in the preamplifier. Additionally, the implementation of thermal regulation, which is crucial for preventing thermal runaway and ensuring stable circuit operation, is presented.
Keywords:power amplifier, negative feedback, BJT transistor, operational amplifier, thermal regulation, AB class


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