机构地区: 内江师范学院工程技术学院
出 处: 《激光杂志》 2009年第3期22-23,共2页
摘 要: 介绍了利用子系统的级联、反馈及电路仿真手段设计有源二阶滤波器简便方法。给出了电路参数选取的技巧。对反馈电路的接入点选择;系统传递函数的计算与验证都给出了详细的分析。仿真实验证明,通过调试可变电阻值,可以得到性能优良的二阶滤波器。 Two-pole active filter is designed by the subsystem's cascade connection and feedback.The circuit iw also simulated.How to select the circuit parameters and the connect point of the reactive circuit is introduced in this paper.The transfer function of the system is calculated md verified.It's proved that two-pole active filter with excellent performance can be acquired by adjusting the rheostat.