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Silicon bipolar up and down-converters for 5-GHz WLAN applications | IEEE Conference Publication | IEEE Xplore

Silicon bipolar up and down-converters for 5-GHz WLAN applications


Abstract:

A dB-linear variable-gain up-converter and an image-reject down-converter for 5-GHz wireless LAN applications were implemented in a 46-GHz-f/sub T/ silicon bipolar techno...Show More

Abstract:

A dB-linear variable-gain up-converter and an image-reject down-converter for 5-GHz wireless LAN applications were implemented in a 46-GHz-f/sub T/ silicon bipolar technology. The up-converter exhibits a 13-dB power gain and an output 1-dB compression point of 6 dBm. It adopts a digital pre-distortion technique to achieve a linear-in-dB gain characteristic with a dynamic range of 30 dB. The down-converter exhibits a 4-dB noise figure and a power gain of 23 dB. By using a 1-bit gain control it also achieves an input 1-dB compression point of -14 dBm. An image-rejection approach based on monolithic passive notch filters provides an image rejection ratio higher than 60 dB.
Date of Conference: 23-23 September 2004
Date Added to IEEE Xplore: 15 November 2004
Print ISBN:0-7803-8480-6
Conference Location: Leuven, Belgium

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