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A direct conversion RF front-end for 2-GHz WCDMA and 5.8-GHz WLAN applications

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6 Author(s)
Hotti, M. ; Electron. Circuit Design Lab., Helsinki Univ. of Technol., Espoo, Finland ; Kaukovuori, J. ; Ryynanen, J. ; Kivekas, K.
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A direct conversion RF front-end for 2.0 GHz WCDMA and 5.8 GHz WLAN applications is described. The measured double-sideband NF, IIP3 and voltage gain are 3.6 dB, -15.1 dBm and 29.5 dB for WCDMA, and 5.2 dB, -17.4 dBm and 26.5 dB for WLAN, respectively. The RF front-end consumes 22.3 mA in WCDMA mode and 23.1 mA in WLAN mode from a 2.7 V supply. The chip is fabricated using a 0.35 μm 45 GHz SiGe BiCMOS process.

Published in:

Radio Frequency Integrated Circuits (RFIC) Symposium, 2003 IEEE

Date of Conference:

8-10 June 2003