31.2mW超宽带基带收发器，全数字I/ q错配校准和动态采样

2006 Symposium on VLSI Circuits, 2006. Digest of Technical Papers. Pub Date : 2006-06-15 DOI:10.1109/VLSIC.2006.1705397

J. Yu, Ching-Che Chung, Hsuan-Yu Liu, Yu-Wei Lin, Wan-Chun Liao, Terng-Yin Hsu, Chen-Yi Lee

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引用次数: 13

摘要

提出了一种具有I/ q不匹配(IQM)校准和动态采样(DS)的MB-OFDM超宽带基带收发器。它通过2dB增益和20度相位误差校准IQM，将IQM公差释放到现有设计的10倍。DS将ADC采样率降低到现有设计的1/9 ~ 1/ 12，从而至少节省43%的ADC功耗。数据速率为480Mb/s时，实测功耗为31.2mW

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A 31.2mW UWB Baseband Transceiver with All-Digital I/Q-Mismatch Calibration and Dynamic Sampling

A MB-OFDM UWB baseband transceiver with I/Q-mismatch (IQM) calibration and dynamic sampling (DS) is presented. It calibrates IQM by 2dB gain and 20 degree phase errors, releasing IQM tolerance to 10times of existing designs. The DS reduces ADC sampling rate to 1/9 ~ frac12 of existing designs, resulting in at least 43% ADC power saving. Measured power consumes 31.2mW at 480Mb/s data rate

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2006 Symposium on VLSI Circuits, 2006. Digest of Technical Papers.

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