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Multi-mode filter is advantageous to the miniaturization of device. Because of symmetry, triangular structure has dual-mode characteristics. Some people have made a dual-mode filter with a triangular support structure. Through simulating triangle resonator, We found that the first two-mode distributed on the border of resonator and the third mode is located in the center of the triangle. We can load...
In this paper, a coupled resonator waveguide diplexer operating in frequency range 11.5–14 GHz is presented. The diplexer structure consists of a waveguide E-plane T-junction and two waveguide cavity filters whose center frequency are 12.375 GHz and 13.125 GHz. The simulation results show that over the operating band of the two filters the return loss is better than −18 dB and the the insertion loss...
An improved structure of rectangular waveguide band-pass filter with harmonic suppression is proposed. The filter consists of cascade resonant cavities with coupling provided by irises. This article mainly introduced the principle of capacitance loading restrain parasitic passband, the stop-band was successfully pushed to a two octaves frequency range. The results show that the designed rectangular...
Multi-mode filter is advantageous to the miniaturization of device. Because of symmetry, triangular structure has dual-mode characteristics. Some people have made a dual-mode filter with a triangular support structure. Through simulating triangle resonator, We found that the first two-mode distributed on the border of resonator and the third mode is located in the center of the triangle. We can load...
An improved structure of rectangular waveguide band-pass filter with harmonic suppression is proposed. The filter consists of cascade resonant cavities with coupling provided by irises. This article mainly introduced the principle of capacitance loading restrain parasitic passband, the stop-band was successfully pushed to a two octaves frequency range. The results show that the designed rectangular...
In this paper, a coupled resonator waveguide diplexer operating in frequency range 11.5–14 GHz is presented. The diplexer structure consists of a waveguide E-plane T-junction and two waveguide cavity filters whose center frequency are 12.375 GHz and 13.125 GHz. The simulation results show that over the operating band of the two filters the return loss is better than −18 dB and the the insertion loss...
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