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A 2.4-GHz CMOS Receiver for IEEE 802.11 Wireless LAN’s
Behzad Razavi
Abstract
This paper describes a radio-frequency receiver targeting
spread-spectrum wireless local-area-network applications
in the 2.4-GHz band. Based on a direct-conversion architecture,
the receiver employs partial channel selection filtering, dc offset
removal, and baseband amplification. Fabricated in a 0.6-m
CMOS technology, the receiver achieves a noise figure of 8.3 dB,
IP3of-9dbm,IP2 of +22dbm,and voltage gain of 34 dB
while dissipating 80 mW from a 3-V supply.
Index Terms
Low noise amplifier (LNA’s), mixers, receivers,
RF CMOS, wireless local area networks (LAN’s). |
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