在宽带功率上变频器中消除谐波和边带的多径技术

2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers Pub Date : 2006-09-18 DOI:10.1109/ISSCC.2006.1696237

R. Shrestha, E. Mensink, E. Klumperink, G. Wienk, B. Nauta

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引用次数: 18

摘要

开关混频器是节能的，但产生不必要的谐波和边带。使用数字电路和混频器(但不使用滤波器)来清理频谱的多径技术应用于0.13 μ m CMOS功率上变频器。该电路在直流至2.4GHz范围内输出8mW，漏极效率为11%，在4倍频范围内杂散<-40dBc，功耗为228mW，电压为1.2V

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A multipath technique for canceling harmonics and sidebands in a wideband power upconverter

Switching mixers are power-efficient but produce unwanted harmonics and sidebands. A multipath technique to clean up the spectrum using digital circuits and mixers, but no filters, is applied to a 0.13mum CMOS power upconverter. The circuit delivers 8mW from dc to 2.4GHz with 11% drain efficiency, with spurs <-40dBc over more than 4 octaves in frequency, and consumes 228mW from a 1.2V supply

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2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers

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