A CMOS K-Band 6-bit Attenuator With Low Phase Imbalance for Phased Array Applications

This work was supported in part by the National Science and Technology Major Project, Ministry of Science and Technology of China, under Grant 2016ZX03001015-004, in part by the Scientific Research Foundation for the Returned Overseas Chinese Scholars State Education Ministry under Grant M16010201LXHG5002, and in part by the Fundamental Research Funds for the Central Universities under Grant ZYGX2015KYQD006.