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  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E94-C   No.10   pp.1706-1708
Publication Date: 2011/10/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E94.C.1706
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: Integrated Electronics
Keyword: 
on-chip transformer,  LO leakage calibration,  RF transmitter,  OFDM-UWB,  CMOS,  

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Summary: 
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 1 dB, an LOLRR of -53 dBc/-43 dBc (wi/o cali), an EVM of 2.2% with a power consumption of 22 mW and an area of 1.26 mm2.