A DECT/Bluetooth Multi-Standard Front-End with Adaptive Image Rejection in 0.18 µm CMOS

V. Vidojkovic, J.D. Tang, van der, A.J. Leeuwenburgh, A.H.M. Roermund, van

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Abstract

A DECT/Bluetooth multi-standard front-end with adaptive image rejection is described. The front-end is designed and simulated in 0.18 µm CMOS technology. Using a multi-band LNA with zero external components full integration of the front-end is achieved. In high image-reject DECT mode it has a NF of 10 dB consuming a current of 47 mA, while in low image-reject DECT mode a NF of 5 dB is obtained with a current of 39 mA. In high image-reject Bluetooth mode the front-end achieves a NF of 10 dB consuming a current of 39 mA and in low image-reject Bluetooth mode it has a NF of 5 dB using a current of 31 mA. Applying adaptive image rejection the power consumption is reduced 20%, the NF is improved 50% and the gain improves 30%, while the chip area is negligibly increased compared to the total chip area occupied by the front-end.
Original languageEnglish
Title of host publicationProceedings of the IEEE International Symposium on Circuits and Systems (ISCAS 2004) 23 - 26 May 2004, Vancouver, British Columbia, Canada
Place of PublicationPiscataway, New Jersey, USA
PublisherInstitute of Electrical and Electronics Engineers
Pages573-576
Volume1
ISBN (Print)0-7803-8251-X
Publication statusPublished - 2004
Event2004 IEEE International Symposium on Circuits and Systems (ISCAS 2004) - Vancouver, Canada
Duration: 23 May 200426 May 2004

Conference

Conference2004 IEEE International Symposium on Circuits and Systems (ISCAS 2004)
Abbreviated titleISCAS 2004
CountryCanada
CityVancouver
Period23/05/0426/05/04

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