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Low-distortion band...
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Rusu, AnaKTH,Mikroelektronik och Informationsteknik, IMIT
(författare)
Low-distortion bandpass Sigma-Delta modulator for wireless radio receivers
- Artikel/kapitelEngelska2005
Förlag, utgivningsår, omfång ...
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Institution of Engineering and Technology (IET),2005
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-15097
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-15097URI
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https://doi.org/10.1049/el:20052167DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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QC 20100525
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A low-distortion bandpass sigma-delta modulator is proposed. It was found that the key to improving linearity is to add a feedforward signal path in a double-delay resonator bandpass structure. The proposed technique improves the tonal behaviour even at low oversampling ratio and can be applied for any order of modulator. Based on the proposed architecture, a fourth-order single-bit sigma-delta modulator can achieve a dynamic range of 84 dB and a spurious free dynamic range of 98 dB at 10.71 MHz with a signal bandwidth of 200 kHz, making it ideal for a narrowband IF-sampled wireless receiver designed for compliance with GSM/GPRS standards.
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Ismail, MohammedKTH,Mikroelektronik och Informationsteknik, IMIT(Swepub:kth)u162st8j
(författare)
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KTHMikroelektronik och Informationsteknik, IMIT
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Electronics Letters: Institution of Engineering and Technology (IET)41:19, s. 1044-10460013-51941350-911X
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