期刊
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING
卷 48, 期 3, 页码 257-262出版社
SPRINGER
DOI: 10.1007/s10470-006-7701-0
关键词
EVM; carrier leakage suppression; Sideband rejection; IP3; LO phase noise and frequency error
This letter analyzes the effects of transmitter imperfections, including carrier leakage, unwanted sideband, nonlinearity, local oscillator (LO) phase noise and frequency error, on error vector magnitude (EVM) performance. Predictor equations of transmitter EVM are given for radio designers to estimate the level of EVM or set appropriate design specifications to obtain desired EVM performance. These predictor equations are validated by measurement results of other reported works.
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