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A compact microstrip lowpass filter (LPF) with ultra-wide stopband using transformed stepped impedance hairpin resonator is proposed. The transformed resonator consists of a stepped impedance hairpin resonator and an embedded hexagon stub loaded coupled-line structure. Without enlarging the size, the embedded structure is introduced to get a broad stopband. A prototype LPF has been simulated, fabricated...
Rectangular waveguide to circular waveguide mode converter is a critical components of a high-power microwave test system. In certain frequency band, the traditional method of round — rectangular waveguide mode converter can't satisfy the performance requirements. In order to solve this problem, this paper puts forward a kind of compact structure, and it has the characteristic of small reflection...
Rectangular waveguide to circular waveguide mode converter is a critical components of a high-power microwave test system. In certain frequency band, the traditional method of round — rectangular waveguide mode converter can't satisfy the performance requirements. In order to solve this problem, this paper puts forward a kind of compact structure, and it has the characteristic of small reflection...
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