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Title:VGRAJEN SISTEM ZA AVDIO PREDOJAČEVALNIK
Authors:ID Kanič, Martin (Author)
ID Kramberger, Iztok (Mentor) More about this mentor... New window
Files:.pdf UNI_Kanic_Martin_2012.pdf (2,38 MB)
MD5: 749BEECDB63C8C51C20851A69BB17627
PID: 20.500.12556/dkum/c3edc4c0-aee0-4be2-ad33-1691b718377a
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Namen diplomskega dela je izdelati vgrajen sistem za upravljanje funkcij predojačevalnika, vključno z atenuatorjem za regulacijo glasnosti. Odločili smo se, da izdelamo predojačevalnik z najmanjšim možnim številom elementov na poti avdio signala in se povsem izognemo uporabi polprevodniških elementov. Želeli smo, da so vse funkcije dostopne tudi preko daljinskega upravljalnika. Zato se preklopi avdio vhodov, kot tudi regulacija glasnosti izvajajo s pomočjo relejev. Slednjo smo izvedli kot petstopenjski zaporedno vezani delilnik napetosti. Vse funkcije krmili mikrokrmilnik, ki z enotami v sistemu komunicira preko podatkovnega vodila I2C.
Keywords:vgrajen sistem, predojačevalnik, atenuator, daljinsko upravljanje, podatkovno vodilo I2C, mikrokrmilnik
Place of publishing:Maribor
Publisher:[M. Kanič]
Year of publishing:2012
PID:20.500.12556/DKUM-38344 New window
UDC:004.312.46:621.375(043.2)
COBISS.SI-ID:16517142 New window
NUK URN:URN:SI:UM:DK:ZVTIL8UZ
Publication date in DKUM:26.11.2012
Views:1804
Downloads:210
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:EMBEDDED SYSTEM FOR AUDIO PREAMPLIFIER
Abstract:The goal of the present diploma work is to develop an embedded system for controlling the functions of an audio preamplifier. It was decided to make use of as few elements as possible in the audio signal path. Furthermore, the use of semiconductor elements was avoided completely. All functions were also made to be accessible over an infra red remote control. Therefore, all switching functions are performed by relays. This involves switching the audio input signals as well as regulating the volume. Volume control was realized as a series five stage voltage divider. All functions are controlled by a microcontroller, communication between the units is performed with the use of the I2C protocol.
Keywords:embedded system, preamplifier, attenuator, remote control, data bus I2C, microcontroller


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