A broadband doubly balanced monolithic ring mixer with a compact intermediate frequency (IF) extraction

Y. C. Lee, C. M. Lin, S. H. Hung, C. C. Su, Yeong Her Wang

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

To meet the requirements for broadband operation, high port-to-port isolation, and miniature chip area, a doubly balanced monolithic microwave ring mixer with an advanced IF extraction fabricated using 0.15 μm GaAs pHEMT process is presented. A miniature Marchand-like spiral balun with low-pass filter is used to extract IF signals and maintain balun performance simultaneously. The low-pass filter can filter out both the RF and LO signals. This miniaturized mixer design can mitigate layout complexity, improve port-to-port isolations suitable for ultra-broadband Ku-, K-, and Ka- band applications. Subsequently, the LO/RF-to-IF isolations are greater than 43.2 and 32 dB from 11 to 40 GHz, respectively. The LO-to-RF isolation is between 26.9 and 50.7 dB within the same swept range. The conversion loss is 7.2-12.4 dB within the operating bandwidth.

原文English
頁(從 - 到)175-184
頁數10
期刊Progress in Electromagnetics Research Letters
20
DOIs
出版狀態Published - 2011

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

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