可调频率文氏桥振荡电路的研究与实现

Adjustable Frequency in WenShi-bridge Oscillator Circuit

对文氏桥振荡电路进行研究,在基本电路基础上增加两个稳压管2CW53,增加稳定性。振荡电路中运算放大器采用4运放的LM358芯片,同时这个电路可以产生方波和三角波,非常实用。通过改变文氏桥振荡电路的电阻和电容,可以调节电路频率,从而实现可调频率文氏桥振荡电路的频率可调整。

This paper makes research on the WenShi-bridge osciI ator circuit,adding two 2CW53 reguIator in the basiccircuit basis, increased stabiIity.The osciI ating circuit operationaI ampIifier using LM358 chip incIuding 4 operationaI ampIifier.The circuit can aIso produce Square wave and triangIe wave.By changing the resistance and capacitance in this circuit,can adjust the frequency.