A Fully Integrated RF Front-End with Independent RX/TX Matching and +20dBm Output Power for WLAN Applications

An RF front-end for a WLAN SoC is implemented in 0.18 μm CMOS. It integrates a +20dBm PA, a high-sensitivity LNA, and a T/R switch. The T/R switch incorporates an impedance-transformation network to provide a receive S 11 of -15dB at 2.4GHz and a sensitivity of -73dBm for a 54Mb/s 802.11g signal. Fo...

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Bibliographic Details
Main Authors: Chang, Richard, Weber, David, Lee, MeeLan, Su, David, Vleugels, Katelijn, Wong, Simon
Format: Conference Proceeding
Language:English
Subjects:
CMOS technology
Impedance matching
Inductors
Power amplifiers
Power generation
Radio frequency
Radiofrequency amplifiers
Switches
Voltage
Wireless LAN
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Description
Summary:An RF front-end for a WLAN SoC is implemented in 0.18 μm CMOS. It integrates a +20dBm PA, a high-sensitivity LNA, and a T/R switch. The T/R switch incorporates an impedance-transformation network to provide a receive S 11 of -15dB at 2.4GHz and a sensitivity of -73dBm for a 54Mb/s 802.11g signal. For 64QAM OFDM at 2.4GHz, the TX EVM is -25dB at an output power of +16dBm.
ISSN:0193-6530
2376-8606
DOI:10.1109/ISSCC.2007.373545