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CMOS low-power bandpass IF filter for Bluetooth
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.
2007 (English)In: Iet Circuits Devices & Systems, ISSN 1751-858X, Vol. 1, no 1, 7-12 p.Article in journal (Refereed) Published
Abstract [en]

Design of a CMOS 18th-order IF (intermediate frequency) bandpass filter for integrated low-IF Bluetooth receivers is presented. The centre frequency and bandwidth of the filter are 3 and 1 MHz, respectively. The proposed filter is based on unity gain fully differential voltage buffers and provides efficient, low power and a small area design solution. The filter, including its automatic tuning circuit, occupies an area of 0.6 mm(2) in a standard 0.5 mu m-CMOS chip. Experimental results show that the filter satisfies the selectivity and dynamic range requirements of Bluetooth while operating from a total supply current of 0.9 mA.

Place, publisher, year, edition, pages
2007. Vol. 1, no 1, 7-12 p.
Keyword [en]
noise performance, active-filters, receivers
URN: urn:nbn:se:kth:diva-16595DOI: 10.1049/iet-cds:20050355ISI: 000246106200002OAI: diva2:334637
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-09-16Bibliographically approved

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Ismail, Mohammed
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