| 基于数模混合仿真的PLL系统设计 |
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| 引用本文： | 肖杜,李永峰,朱小飞,李卫民. 基于数模混合仿真的PLL系统设计[J]. 微电子学与计算机, 2006, 23(8): 73-75,79 |
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| 作者姓名： | 肖杜 李永峰 朱小飞 李卫民 |
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| 作者单位： | 北京微电子技术研究所,北京,100076 |
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| 摘 要： | 介绍了数模混合信号仿真的设计流程，说明了一种在混合设计的各个层次上对系统进行仿真验证的自上而下的设计方法。在PLL（Phase-Locked Loop）系统设计中，给出了VCO的数学模型和Verilog-A行为级模型．实现了系统行为级模型和晶体管级电路的设计和仿真，并对结果进行了比较。这种设计方法已应用于一种电荷泵锁相环电路设计中，验证了这种设计方法的可行性和有效性。
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| 关 键 词： | 数模混合仿真 设计流程 锁相环 行为级模型 |
| 文章编号： | 1000-7180（2006）08-073-03 |
| 收稿时间： | 2005-08-01 |
| 修稿时间： | 2005-08-01 |
Design of PLL System Based on Mixed-Signal Simulation |
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| XIAO Du,LI Yong-feng,ZHU Xiao-fei,LI Wei-min. Design of PLL System Based on Mixed-Signal Simulation[J]. Microelectronics & Computer, 2006, 23(8): 73-75,79 |
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| Authors: | XIAO Du LI Yong-feng ZHU Xiao-fei LI Wei-min |
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| Affiliation: | Beijing Microelectronic Technology Institution, Beijing 100076 |
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| Abstract: | A design flow based on mixed-signal simulation is proposed.The top-down design method indicates simulation and verification at each level of the mixed signal system design.In the design of a PLL system,simulation of both systematic behavioral and transistor level is realized,mathematical and behavioral models of VCO (Voltage Controlled Oscillator) are also presented.This methodology is implemented in charge-pump PLL circuit design,the feasibility and efficiency of the method has been verified. |
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| Keywords: | Mixed-signal simulation Design flow PLL Behavioral model |
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