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首页> 外文期刊>IEEE microwave and wireless components letters >Compact Filtering Power Divider With Enhanced Second-Harmonic Suppression
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Compact Filtering Power Divider With Enhanced Second-Harmonic Suppression

机译:紧凑的滤波功率分配器,具有增强的二次谐波抑制能力

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摘要

This letter presents a compact power divider integrated with high-selectivity bandpass resoponses. A novel topology is proposed to integrate five resonators and a resistor to realize the dual functions of the power division and filtering. Two transmission zeros are generated near the passband edges and another one is created at the second harmonic frequency which enhances the rejection levels. For validation, a filtering power divider operating at 920 MHz is implemented with more than 20 dB isolation. The circuit size is $0.15 lambda_{rm g}times 0.14 lambda_{rm g}$ , featuring compact size.
机译:这封信提出了一个紧凑的功率分配器,它集成了高选择性带通响应。提出了一种集成五个谐振器和一个电阻的新型拓扑,以实现功率分配和滤波的双重功能。在通带边缘附近产生两个传输零,在第二谐波频率处产生另一个传输零,这会提高抑制水平。为了验证,实现了工作频率为920 MHz的滤波功率分配器,隔离度超过20 dB。电路尺寸为 $ 0.15 lambda_ {rm g}乘以0.14 lambda_ {rm g} $ ,具有紧凑的尺寸。

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