Chia-Jun Chang, Po-Chih Wang, Chih-Yu Tsai, Chin-Lung Li, Chiao-Ling Chang, Han-Jung Shih, M. Tsai, Wen-Shan Wang, Ka-Un Chan, Ying-Hsi Lin
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A CMOS transceiver with internal PA and digital pre-distortion for WLAN 802.11a/b/g/n Applications
A 2.4/5GHz Fully-Integrated Transceiver is implemented in 65nm CMOS technology. To alleviate the cost of external front-end components, the G-mode RF transmit/receive (T/R) switch and a power-efficient linear CMOS PA are fully integrated on-chip. On the other hand, for better performance, only the A-mode PA is integrated on-chip while the external T/R switch is used. It shows 5dB and 5.5dB NF in the G-mode and A-mode receivers respectively. Also, the transmitter delivers an average power of 18dBm OFDM (64QAM, 54MBPS) signal with EVM of -28dB for G-mode application and 16dBm OFDM (64QAM, 54MBPS) signal with EVM of −28dB for A-mode application after digital pre-distortion.
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