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Design of enhanced stopband bandpass filter with mixed electric and magnetic coupling

机译:混合电耦合增强型锚带带通滤波器的设计

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摘要

A new compact bandpass filter(BPF) with improved out-of-band performance is presented in this paper. The proposed BPF consists of two non-adjacent stepped impedance resonators (SIRs), which shared a common grounded via-hole. To improve the stopband characteristics, a π type capacitive circuit is introduced in the filter. The location of the transmission zeros can be controlled by adjusting the strength of the mixed electric and magnetic (EM) coupling. Simulated results show that good performance of proposed BPF at 1.38GHz has been achieved.
机译:本文提出了一种新的紧凑带通滤波器(BPF),具有改进的带外性能。所提出的BPF由两个非相邻的阶梯式阻抗谐振器(SIRS)组成,其共用了一个共同的接地通孔。为了提高阻带特性,在过滤器中引入了π型电容电路。通过调节混合电和磁性(EM)耦合的强度,可以控制变速器零的位置。模拟结果表明,已实现良好的BPF在1.38GHz下的良好表现。

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