UWB Gilbert downconverter utilising a wideband LR-CR quadrature generator

J. S. Syu*, Chin-Chun Meng, Y. H. Teng

*此作品的通信作者

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

An ultra-wideband (UWB) I/Q downconverter with an LR-CR quadrature generator is demonstrated using 0.35 μm SiGe HBT technology. The I/Q outputs of this generator are always in quadrature phase at any frequency while the BJT-type active mixer inherently tolerates much LO power difference for a flat gain response. Consequently, the amplitude imbalance and phase error of the I/Q outputs are less than 1 dB and 2° in the RF frequency range 3-11 GHz.

原文English
頁(從 - 到)514-515
頁數2
期刊Electronics Letters
45
發行號10
DOIs
出版狀態Published - 12 六月 2009

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