A 24GHz High Frequency Sweep Linearity FMCW Signal Generator with Floating-Shield DMC Bank
A 24GHz FMCW generator based on ADPLL was implemented in this work.Two-point modulation technology was used to achieve high sweep linearity.Meanwhile, a floating shield distribute metal capacitor bank was proposed to provide high frequency sweep linearity DCO.By using these technologies, the FMCW generator”s frequency error can be controlled as small as 60 kHzrms when 180MHz frequency was swept in 1.3ms.High speed part of the FMCW generator was fabricated in 65nm CMOS technology and the low speed digital part was implemented on FPGA.Power consumption of the chip excluding IO buffer is 29mW.
FMCW ADPLL DCO Floating Shield Distributed Metal Capacitor
Jianfei Xu Na Yan Sichen Yu Lei Ma Dashan Pan Xiaoyang Zeng Hao Min
ASIC & System State Key Laboratory, Fudan University, China
国内会议
上海
英文
53-57
2016-04-01(万方平台首次上网日期,不代表论文的发表时间)