A 22-mW 2.2%-EVM UWB Transmitter Using On-Chip Transformer and LO Leakage Calibration

Yunfeng CHEN; Renliang ZHENG; Haipeng FU; Wei LI; Ning LI; Junyan REN

doi:10.1587/transele.E94.C.1706

IEICE Transactions on Electronics

Online ISSN : 1745-1353
Print ISSN : 0916-8524

Regular Section

A 22-mW 2.2%-EVM UWB Transmitter Using On-Chip Transformer and LO Leakage Calibration

Yunfeng CHEN, Renliang ZHENG, Haipeng FU, Wei LI, Ning LI, Junyan REN

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Keywords: on-chip transformer, LO leakage calibration, RF transmitter, OFDM-UWB, CMOS

JOURNAL RESTRICTED ACCESS

2011 Volume E94.C Issue 10 Pages 1706-1708

DOI https://doi.org/10.1587/transele.E94.C.1706

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Abstract

A MB-OFDM UWB transmitter with on-chip transformer and LO leakage calibration for WiMedia bandgroup 1 is presented. The measurements show a gain-flatness of 1dB, an LOLRR of -53dBc/-43dBc (wi/o cali), an EVM of 2.2% with a power consumption of 22mW and an area of 1.26mm².

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