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Title:NADGRADNJA VEKTORSKEGA MERILNIKA FREKVENČNIH ODZIVOV
Authors:ID Arzenšek, Nejc (Author)
ID Jarc, Bojan (Mentor) More about this mentor... New window
Files:.pdf VS_Arzensek_Nejc_2010.pdf (3,64 MB)
MD5: A7D1D717A64CCA1749385C335DC6410D
PID: 20.500.12556/dkum/4ffd37d3-f2b7-4daf-a129-9ea3d58ed1ec
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V diplomski nalogi smo predstavili nadgradnjo vektorskega merilnika frekvenčnih odzivov, s katerim merimo absolutno velikost in fazni kot prenosne funkcije v frekvenčnem prostoru. Z uporabo mikrokrmilnika in LCD zaslona smo nadgradili vektorski merilnik frekvenčnih odzivov, tako da ima avtomatsko zajemanje in prikazovanje vrednosti meritev z možnostjo spreminjanja merilnega območja. Že obstoječi merilnik frekvenčnih odzivov je na svojih izhodih podal ojačenje in fazni kot z dvema napetostima od 0 do 1,8 V, ki sta bili sorazmerni ojačenju in faznemu kotu dveh vhodnih signalov. Nadgrajeni vektorski merilnik pa na LCD zaslonu prikaže ojačenje v dB in fazni kot v stopinjah. Tako je delo z nadgrajenim merilnikom veliko enostavnejše.
Keywords:mikrokrmilnik, vektorski merilnik frekvenčnih odzivov, merilnik ojačenja, merilnik faznega kota
Place of publishing:Maribor
Publisher:[N. Arzenšek]
Year of publishing:2010
PID:20.500.12556/DKUM-14517 New window
UDC:681.537(043.2)
COBISS.SI-ID:14298134 New window
NUK URN:URN:SI:UM:DK:GCXTT4HV
Publication date in DKUM:24.06.2010
Views:2176
Downloads:142
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:A VECTOR METER OF FREQUENCY RESPONSES IMPROVEMENT
Abstract:In this diploma work we have presented an improvement of a vector meter of frequency responses, which is used for measurement of absolute size and phase of transfer function in frequency space. With the use of a microcontroller and a LCD display, we have improved a vector meter of frequency responses, so that it has automatic acquisition and displaying of measured values, with possibility of altering measuring range. Already existent vector meter of frequency responses sets out two voltages in range from 0 V to 1,8 V on its outputs, that are proportional to gain (amplifying) and phase between two input signals. Improved vector meter displays gain (amplifying) in dB and phase in degrees (°) on the LCD display. So the use of improved meter is much easier and the measurements are faster.
Keywords:microcontroller, vector meter of frequency responses, gain meter, phase meter


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