100MHz低相噪晶体振荡器设计  

Design of 100MHz Low Phase Noise Crystal Oscillator

作　　者：陈雄宏[1] 鲍景富[1] 宋亚梅[1] 段泽群[1] 

机构地区：[1]电子科技大学电子工程学院,四川成都610054

出　　处：《压电与声光》2009年第1期9-11,14,共4页Piezoelectrics & Acoustooptics

摘　　要：相位噪声是振荡器最重要的性能指标。该文从振荡器反馈理论出发,得到了一种新颖的振荡器相位噪声模型,并使用Matlab对相位噪声模型进行仿真,得到单边带相位噪声功率谱密度。对模型的相位噪声仿真结果与其他方法仿真所得相位噪声进行了比较,两者的仿真结果较吻合。在模型指导下设计出一低相噪晶体振荡器,实测结果与仿真结果吻合。Phase noise is the most important performance of oscillator. This paper obtained a novelty phase noise model from oscillator feedback theory. The single side band power spectrum density was obtained by simula- ting the phase noise model using Matlab. Then compared phase noises from the simulated mode with some other metheds, the two results were identical. A low phase noise crystal oscillator was designed at the guide of the model. The test result was identical with the simulated results.

关 键 词：反馈 模型 仿真 低相噪 

分 类 号：TN65[电子电信—电路与系统]