A 60GHz Marchand Balun with Floating Ground Centre-tap in CMOS Technology
A novel Marchand Balun with floating ground centre-tap is proposed for silicon-based millimeter-wave applications.Implemented in 65nm CMOS technology,the Marchand Balun is designed with broadside coupling lines by using two top metals.To reduce the size,the balun was folded and both ends of the two secondary lines are connected together to floating ground,two by-bass capacitances are connected between the real ground and floating ground.The balun is simulated by ADS Momentum,different width of the lines are compared to find the optimal value.The proposed balun has small size and floating ground centre-tap for feeding DC bias conveniently.Compared with transformer balun,the layout of this Marchand balun is more symmetric due to the open-end of its primary side,which also improves the bandwidth and imbalances of the balun.
Leijun Xu Henrik Sj(o)land Markus T(o)rm(a)nen Tianhong Pan Xun Bai
Jiangsu University,Zhenjiang 212013,China Lund University,Lund 22100,Sweden
国际会议
Progress in Electromagnetics Research Symposium 2013(2013年电磁学研究新进展学术研讨会)
台北
英文
660-662
2013-03-01（万方平台首次上网日期，不代表论文的发表时间）