刘宝宝, 李国刚, 杨骁, 凌朝东. Sigma-Delta小数分频频率综合器系统建模和仿真[J]. 微电子学与计算机, 2012, 29(4): 80-83.
引用本文: 刘宝宝, 李国刚, 杨骁, 凌朝东. Sigma-Delta小数分频频率综合器系统建模和仿真[J]. 微电子学与计算机, 2012, 29(4): 80-83.
shu
LIU Bao-bao, LI Guo-gang, YANG Xiao, LING Chao-dong. System Modeling and Simulation of Sigma-Delta Fractional-N Frequency Synthesizers[J]. Microelectronics & Computer, 2012, 29(4): 80-83.
Citation: LIU Bao-bao, LI Guo-gang, YANG Xiao, LING Chao-dong. System Modeling and Simulation of Sigma-Delta Fractional-N Frequency Synthesizers[J]. Microelectronics & Computer, 2012, 29(4): 80-83.
shu

Sigma-Delta小数分频频率综合器系统建模和仿真

System Modeling and Simulation of Sigma-Delta Fractional-N Frequency Synthesizers

    摘要
  • 摘要: 行为级仿真平台的建立, 可以对小数频率综合器的设计提供快速全面的时域仿真.重点分析了2/3多模可编程分频器和MASH结构调制器电路, 并给出了一种计算环路滤波器参数的新型工程方法.建立了的Simulink仿真模型, 可用于检验电路结构的正确性.

     

    Abstract: The establishment of behavioral-level system simulation platform can provide the accurate and overall time-domain simulations for Fractional-N Frequency Synthesizers design.It laid special stress on analyzing the 2/3 multi-modulus programmable divider and MASH Σ modulator.A new approach for calculating the parameters of loop filter was given.A set of Simulink circuit modes was designed.These modes structure an integrity Σ Fractional-N Frequency Synthesizers which can be used to predict and verify the circuit topologies in practice.

     

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