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A highly linear CMOS baseband chain for wideband wireless applications
2004 (English)In: ETRI Journal, ISSN 1225-6463, Vol. 26, no 5, 486-492 p.Article in journal (Refereed) Published
Abstract [en]

The emergence of wide channel bandwidth wireless standards requires the use of a highly linear, wideband integrated CMOS baseband chain with moderate power consumption. In this paper, we present the design of highly linear, wideband active RC filters and a digitally programmable variable gain amplifier. To achieve a high unity gain bandwidth product with moderate power consumption, the feed-forward compensation technique is applied for the design of wideband active RC filters. Measured results from a 0.5 mum CMOS prototype baseband chain show a cutoff frequency of 10 MHz, a variable gain range of 33 dB, an in-band IIP3 of 13 dBV, and an input referred noise of 114 muVrms while dissipating 20 mW from a 3 V supply.

Place, publisher, year, edition, pages
2004. Vol. 26, no 5, 486-492 p.
Keyword [en]
baseband chain, VGA, active RC filter, feedforward compensation
URN: urn:nbn:se:kth:diva-23801ISI: 000224465000016OAI: diva2:342500
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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