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NEW DUAL-BAND BANDPASS FILTER WITH RESISTANCE LOAD

机译:具有阻力负载的新型双频带通滤波器

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摘要

A new dual-band bandpass filter featuring flexible frequency choice is proposed. It consists of two resonators out of the two sides of the signal line with different sizes forming two passbands with desired frequency responses and bandwidths. For the resonator forming the lower passband, a shunt resistor is added at the center to make the even mode responses disappear. A wide stopband is obtained between the fundamental and higher odd mode response. So when a smaller resonator is put in the other side of signal line to produce the upper passband, a flexible frequency ratio of two passband can be gotten. The proposed filter is fabricated and measured. Good agreements are obtained between the simulations and measurements.
机译:提出了一种具有灵活频率选择的新型双带通滤波器。它由信号线两侧不同尺寸的两个谐振器组成,形成两个具有所需频率响应和带宽的通带。对于形成较低通带的谐振器,在中心添加一个分流电阻器,以使偶数模式响应消失。在基本和更高奇数模式响应之间获得了一个宽阻带。因此,当在信号线的另一侧放置一个较小的谐振器以产生较高的通带时,可以获得两个通带的灵活频率比。所提出的滤波器已制成并测量。在仿真和测量之间获得了良好的协议。

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