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本文对带通滤波器的设计概述,并利用设计软件ADS对所设计的中频带通滤波器进行仿真,最后介绍了一种磁环替代电感的实现方法来调试滤波器带外抑制特性。本文实现的一种新型混合型中频带通滤波器设计方法,对工程设计应用有积极的指导意义。
This paper summarizes the design of the band-pass filter, and uses the design software ADS to simulate the designed IF band-pass filter. Finally, an implementation of the magnetic ring instead of the inductor is introduced to debug the out-band rejection of the filter. This article to achieve a new hybrid IF band-pass filter design method, the engineering design and application of a positive guiding significance.