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A direct-conversion CMOS RF receiver reconfigurable from 2GHz to 6GHz

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7 Author(s)
Jaewoo Park ; Dept. of Electron. & Comput. Eng., Hanyang Univ., Seoul ; Shin-Nyoung Kim ; Ji-Hwan Seok ; Yong-Seong Roh
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A CMOS direct-conversion receiver with only one signal path is reconfigurable from 2 GHz to 6 GHz in the RF band and from 3.6 MHz to 54 MHz in the channel bandwidth. By employing a voltage feedback in a common-gate low-noise amplifier (LNA), the input matching of the LNA can be reconfigured for each RF band by simply changing the resonant frequency of load network. Implemented in a 0.18 mum 1P5M RF CMOS technology, the whole receive path shows 4.6~5.6 dB noise figure.

Published in:

VLSI Circuits, 2008 IEEE Symposium on

Date of Conference:

18-20 June 2008