Dvokanalno pojačalo snage u D klasi

master's thesis

• Title (english): Two channel amplifier in D-class
• Author: Davor Počepan
• Mentor: Igor Krois (mentor)
• Committee member: Igor Krois (predsjednik povjerenstva)
• Committee member: Željko Butković (član povjerenstva)
• Committee member: Adrijan Barić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2015-07-15, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

U radu je objašnjeno načelo rada optičkog ulaza i zaštitno-upravljačkog sklopa audio pojačala snage. Prvo se obrađuje optički ulaz i pretvorba optičkog signala u električni. Opisana je komunikacija između audio integriranih sklopova. Kod digitalno-analognog pretvornika posebno je skrenuta pozornost na probleme koji nastaju kod kombiniranja analognih i brzih digitalnih krugova u istom sklopu i objašnjeno je načelo rješavanja tih problema. Kod analize zaštitno-upravljačkog sklopa navedeni su slučajevi u kojima on mora djelovati. Kod pojave nepravilnosti u radu pojačala opisan je način aktivacije zaštite i kako se audio-sustav štiti u slučaju njene aktivacije. Također je opisan i postupak izrade i testiranja navedenih sklopova.

Abstract (english)

This thesis analyses the functionalities of fibre optics receiver module for digital audio interface and protection-control circuit of the audio amplifier. The first chapter describes the fibre optics receiver module and conversion of optical signal to electrical signal. Other than that, it explains the communication between audio integrated circuits. The chapter regarding the digital-analog converter underlines the common problems which occur in mixed-signal integrated circuits while also explaining the fundamental principles of resolving these problems. The third chapter analyses the protection-control circuit and studies the cases where its intervention is required. Furthermore, it describes how the protection is triggered and its overall protective mechanisms when dealing with the irregularities of an amplifier. The final chapter describes in detail the process of building and testing aforementioned circuits.

• Keywords: optički ulaz; digitalno-analogni prijamnik; zaštitno-upravljački sklop; pojačalo snage
• Keywords (english): fiber optic receiving module; digital/analog converter; protection-control circuit; power amplifier
• Language: croatian
• URN:NBN: urn:nbn:hr:168:298905
• Study programme: Title: Electrical Engineering and Information Technology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije (magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2018-02-06 11:20:41