DocumentCode
3291797
Title
ARCTAN Differentiated digital demodulator for FM/FSK digital receivers
Author
Eissa, Haitham M. ; Sharaf, Khaled ; Ragaie, Hani
Author_Institution
Mentor Graphics, Cairo, Egypt
Volume
2
fYear
2002
fDate
4-7 Aug. 2002
Abstract
In this paper a new FM/FSK digital demodulator based on the digital ARCTAN algorithm, is proposed. The proposed digital FM/FSK demodulator is called ARCTAN Differentiated demodulator. The demodulator is based on quadrature ARCTAN algorithm. Direct division of quadrature signals rejects amplitude modulation components. The proposed demodulator works for both narrow & wide band FM/FSK signals & it is suitable for integration in digital-IF receivers. Behavioral simulation analysis is shown for system validation.
Keywords
demodulators; digital radio; frequency modulation; frequency shift keying; radio receivers; ARCTAN Differentiated demodulator; FM/FSK digital demodulator; behavioral simulation analysis; digital-IF receiver; quadrature ARCTAN algorithm; Amplitude modulation; Communication standards; Demodulation; Digital signal processing; Frequency modulation; Frequency shift keying; Low pass filters; Phase locked loops; Signal processing algorithms; Wideband;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 2002. MWSCAS-2002. The 2002 45th Midwest Symposium on
Print_ISBN
0-7803-7523-8
Type
conf
DOI
10.1109/MWSCAS.2002.1186832
Filename
1186832
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