变型文氏电桥的仿真分析

The Simulation of Converted Wien′s Bridge on Protel 99SE

鉴于典型文氏电桥需要双联电位器或电容器调节振荡频率的情况,提出了一种变型电路,可以使用一个单联的电位器来调节电路的振荡频率.这种结构的最大优势在于自动频率跟踪和压控振荡的场合下的电路设计简化许多.对它的理论分析和模拟仿真有助于了解电路的特性.

By reason that the typical wien′s bridge is need for tow-gane capacitors or two-gane resistors tune-up of the frequency, Dedicated a converted circuit, It only use one general variable resistor for adjust the frequency, It′s preponderance is use for automatic frequency tracking & voltage control oscillation, Analyzes and simulate the circuit can help of it′s apply.