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undergraduate thesis
Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju
Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing, 2015. urn:nbn:hr:168:985295
Kastrapeli, Petra
University of Zagreb
Faculty of Electrical Engineering and Computing

Institutional repository: FER Repository

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Kastrapeli, P. (2015). Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju (Undergraduate thesis). Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing. Retrieved from https://urn.nsk.hr/urn:nbn:hr:168:985295

Kastrapeli, Petra. "Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju." Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, 2015. https://urn.nsk.hr/urn:nbn:hr:168:985295

Kastrapeli, Petra. "Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju." Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, 2015. https://urn.nsk.hr/urn:nbn:hr:168:985295

Kastrapeli, P. (2015). 'Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju', Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, accessed 25 December 2024, https://urn.nsk.hr/urn:nbn:hr:168:985295

Kastrapeli P. Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju [Undergraduate thesis]. Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing; 2015 [cited 2024 December 25] Available at: https://urn.nsk.hr/urn:nbn:hr:168:985295

P. Kastrapeli, "Instrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju", Undergraduate thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, Zagreb, 2015. Available at: https://urn.nsk.hr/urn:nbn:hr:168:985295

Metadata
TitleInstrumentacijsko EKG pojačalo s RC filtrom u ulaznom stupnju
Title (english)ECG instrumentation amplifier with RC filter in input stage
AuthorPetra Kastrapeli
MentorRatko Magjarević (mentor)
Committee memberRatko Magjarević (predsjednik povjerenstva)
Committee memberTihomir Marjanović (član povjerenstva)
Committee memberLuka Celić (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Electrical Engineering and Computing
Zagreb
Defense date and country2015-09-09, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Computing
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Abstract
U ovom završnom radu opisan je način rada EKG uređaja te projektiranje i implementacija jednokanalnog EKG uređaja pomoću operacijskog pojačala. Sklop se napaja baterijom nominalnog napona 3.7 V i mjeri diferencijalni signal između elektroda spojenih na lijevu i desnu ruku. Također postoje u sklopu dva načina rada, monitoriranje i dijagnostički način rada. Monitoring se nalazi u frekvencijskom području između 1 Hz i 45 Hz, dok se dijagnostički način rada nalazi između 0.05 Hz i 120 Hz. Ulazni filtar koji propušta istosmjerni signala bez pojačanja i izmjenični uz pojačanje 5.2 ostvaren je serijom otpornika i kondenzatora na stezaljkama pojačanja instrumentacijskog pojačala. Na izlaz instrumentacijskog pojačala spojen je aktivni Besselov niskopropusni filtar koji, uz filtriranje signala, ostvaruje pojačanje 100. Mjerenjima je pokazano da sklop ne daje idealan signal na izlazu, već signal sa smetnjama.
Abstract (english)
This bachelors thesis describes the operation of ECG devices along with designing and implementing a single-channel electrocardiogram with instrumentation amplifier. Device will be powered with 3.7 V single supply from battery and measures diferential signal between electrodes attached to left and right hand. Device works in two modes, monitoring with frequencies between 1Hz- 45Hz and diagnostic with frequencies between 0.05Hz-120Hz. Input stage filter passes DC signal without gain and AC signal with gain of 5.2. Highpass is realised with resistor and capacitor on gain pins of insturmentation amplifier. Input of lowpass filter is connected to output of insturmentation amplifier. Lowpass filter is active Bessel filter with gain of 100. Testing output gives not perfect, but signal with manacles
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:168:985295
Study programmeTitle: Electrical Engineering and Information Technology
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije)
Type of resourceText
File originBorn digital
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Created on2019-03-19 14:01:06