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本文提出一种“Q倍增带阻结构”来实现有源RC高Q二阶带阻电路.给出了设计和实验结果.由于这种新结构采用负反馈,所以有好的灵敏度特性.其实现电路也较其它高Q带阻电路简单.具有很好的实用价值.
In this paper, a “Q-doubling band-stop structure” is proposed to realize the active RC high-order Q second-order band-stop circuit. The design and experimental results are given. Since this new structure uses negative feedback, it has good sensitivity characteristics. The circuit is also simpler than other high-Q resistance circuits and has good practical value.