A fractional frequency divider based on phase switching and negative feedback delta-sigma modulator

• 作 者: 廖一龙 Fan Xiangning Lin Zhi Shi
• 机 构: InstituteofRF-&,OE-ICs
• 出 处: 高技术通讯:英文版
• 发表日期: 2019年3期
• 关键词: DELTA-SIGMA modulator(DSM) divider-by-2/3 frequency DIVIDER PHASE SWITCHING
• 基金项目: Supported by the National Natural Science Foundation of China(No.61674037),National Key Research and Development Program of China(No.2016YFC0800400),the Priority Academic Program Development of Jiangs

A fractional frequency divider based on phase switching and negative feedback delta-sigma modulator(NF-DSM) is presented. The phase switching circuit, realized by switching 8 signals generated by a divider-by-4 circuit, is adopted to reduce the frequency