Qing Liu, Dalong Lü, Chenge Bian, Dongfang Zhou. New negative coupling structure and its application on substrate integrated waveguide bandpass filters[J]. High Power Laser and Particle Beams, 2019, 31(12): 123001
- High Power Laser and Particle Beams
- Vol. 31, Issue 12, 123001 (2019)
Fig. 1. Layout of the proposed negative coupling structure
Fig. 2. Electric-field distributions of the two coupled SIW cavities
Fig. 3. Extracted coupling coefficient and normalized inverter K/Z 0
Fig. 4. Filtering responses based on coupling matrixes
Fig. 5. Structure, simulated and measured data of the proposed filter I
Fig. 6. Structure, simulated and measured data of the proposed filter II
Fig. 7. The influence of weak dispersive cross coupling on the locations of transmission zeros
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