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Reconfigurable ADCs enable smart radios for 4G wireless connectivity
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.ORCID iD: 0000-0003-3802-7834
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
The Ohio State University, Columbus.
2006 (English)In: IEEE Circuits & Devices, ISSN 8755-3996, E-ISSN 1558-1888, Vol. 22, no 3, p. 6-11Article in journal (Refereed) Published
Abstract [en]

A reconfigurable analog-to-digital converter (ADC) based on a 2-2 modified cascaded sigma-delta (Σ-Δ) modulator designed for a GSM/WCDMA/WLAN/WiMax zero-IF receiver is now available. Employing the second-order feedforward Σ-Δ modulator in a 2-2 modified cascaded configuration, a high linearity over 100 kHz/2 MHz/10 MHz signal bandwidth can be achieved. Application of the P-DWA technique in the first feedback 4-b DAC eliminates the spurious tones associated with the multibit DAC nonlinearity in the WLAN/WiMAX modes.

Place, publisher, year, edition, pages
2006. Vol. 22, no 3, p. 6-11
Keyword [en]
Bandwidth, Delta sigma modulation, Radio communication, Spurious signal noise, Wireless telecommunication systems, Modified cascaded configuration, Smart radios, Spurious tones, Wireless connectivity
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-15848DOI: 10.1109/MCD.2006.1657844ISI: 000239033600002Scopus ID: 2-s2.0-33746379876OAI: oai:DiVA.org:kth-15848DiVA: diva2:333890
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2018-01-12Bibliographically approved

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Rusu, Ana

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Rusu, AnaRodríguez de Llera González, DeliaIsmail, Mohammed
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Output format
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