Dalong Lü, Qing Liu, Junjie Zhang, Dewei Zhang, Dongfang Zhou. Compact balanced bandpass filters based on multilayer dual-mode substrate integrated waveguide cavities[J]. High Power Laser and Particle Beams, 2020, 32(3): 033001
- High Power Laser and Particle Beams
- Vol. 32, Issue 3, 033001 (2020)
Fig. 1. Layout of the dual-mode substrate integrated waveguide (SIW) cavity with balanced ports
Fig. 2. Electric-field distributions of the dual-mode SIW cavity with perturbation metal column
Fig. 3. The responses of differential- and common-mode signals stimulating the dual-mode SIW cavity
Fig. 4. Layouts of multilayered balanced dual-mode SIW filter I and the equivalent coupling scheme of DM operation
Fig. 5. Transmission zeros of DM response changed by the positions of feeding lines
Fig. 6. Layouts of multilayered balanced dual-mode SIW filter II and the equivalent coupling scheme of DM operation
Fig. 7. The transmission zeros of DM response changed by the parameter S 2
Fig. 8. Measured and simulated results of the balanced filter A
Fig. 9. Measured and simulated results of the balanced filter B
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Table 1. Comparisons of designed balanced filters A and B
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