一种由多级2/3分频单元级联而成的通道可编程分频器设计  

Design of a Channel Programmable Frequency Divider Com⁃posed of Multistage 2/3 Divider Cells

作　　者：杨扬 魏鲁 袁昊煜 YANG Yang;WEI Lu;YUAN Haoyu(Chengdu CORPRO Technology Co.,Ltd.,Chengdu,610041,CHN)

机构地区：[1]成都振芯科技股份有限公司,成都610041

出　　处：《固体电子学研究与进展》2021年第2期149-153,共5页Research & Progress of SSE

摘　　要：介绍了一种由多级2/3分频单元级联的可编程分频器,可应用于扇出缓冲器的通道中。分频器采用0.18μm BiCMOS工艺实现。分频器的电源电压为3.3 V,分频比支持1、3、5以及4~4094的所有偶数分频,且所有分频输出信号的占空比为50%。A programmable frequency divider based on multistage 2/3 cells was introduced in this paper,which could be applied in the channel of fan-out buffer.The frequency divider was realized by 0.18μm BiCMOS technology.The power supply voltage of the frequency divider is 3.3 V,the divi⁃sion ratios are including 1,3,5 and all even numbers from 4 to 4094,and the duty cycle of the output signal is 50%at all these division ratios.

关 键 词：可编程分频器 扇出缓冲器 2/3分频单元 占空比 集成电路 

分 类 号：TN742[电子电信—电路与系统]