非同步模式振荡器的设计  

Design of Asynchronous Mode Oscillator

作　　者：万宇航 吴郁 WAN Yuhang;WU Yu(Department of Information,Beijing University of Technology,Beijing 100020,China.)

机构地区：[1]北京工业大学信息学部,北京100020

出　　处：《集成电路应用》2023年第11期6-7,共2页Application of IC

摘　　要：阐述一种性能较高的非同步模式的振荡器的设计,通过外接RC可调电路充放电实现振荡功能。利用Cadence软件平台搭建电路并进行系统仿真。振荡器的主要模块包括比较器、分压电路、放电电路以及逻辑电路。仿真结果表明,在供电电压为5V时,振荡器能有效地实现内部翻转,输出稳定的时钟信号。可应用于DC-DC电源管理芯片中。This paper expounds the design of a high performance non-synchronous mode oscillator,which realizes the oscillation function by charging and discharging the external RC adjustable circuit.The circuit is built and simulated by Cadence software platform.The main modules of the oscillator include comparator,divider circuit,discharge circuit and logic circuit.The simulation results show that when the supply voltage is 5V,the oscillator can effectively achieve internal flip and output a stable clock signal.It can be applied to DC-DC power management chip.

关 键 词：振荡器 非同步模式 放电电路 逻辑电路 

分 类 号：TN402[电子电信—微电子学与固体电子学] TN752