反馈型正弦波振荡器起振的元件参数分析  

Analysis of Component Parameters for Sinusoidal Feedback Oscillator in En-oscillating

作　　者：于红兵[1] 王天宝[1] 

机构地区：[1]成都信息工程学院通信工程系,四川成都610041

出　　处：《四川师范大学学报（自然科学版）》2005年第6期744-746,共3页Journal of Sichuan Normal University（Natural Science）

摘　　要：根据线性微分方程理论重新表述了一种普适的电路起振条件判据,据此推导出3个典型电路起振时的元件参数的取值范围,通过仿真试验加以验证.分析了目前被广泛接受的正弦波振荡器起振条件的不周全之处,使电路起振时的物理机制得到准确的表达.By means of the linear differential equation theorem, a general en-oscillating criterion is brought forward for sinusoidal feedback oscillator by which the ranges of component parameters in three typical feedback oscillators in en-oscillating are deduced logically and tested experimentally. The widely-accepted analysis of the en-oscillating condition for sinusoidal feedback oscillator is not as comprehensive as usually expected, and the satisfactory mechanism of the circuit in en-oscillating is expressed.

关 键 词：反馈型正弦波振荡器 起振条件 环路增益 元件参数 

分 类 号：TN753.5[电子电信—电路与系统]