Synthesized Microstrip Diplexer with Coplanar Waveguide Feeding Based on Composite Resonators
- Resource Type
- Conference
- Authors
- Guan, Xuehui; Liu, Wang; Ren, Baoping; Xu, Mengrou; Zhang, Xujie; Ma, Zhewang
- Source
- 2020 International Conference on Microwave and Millimeter Wave Technology (ICMMT) Microwave and Millimeter Wave Technology (ICMMT), 2020 International Conference on. :1-3 Sep, 2020
- Subject
- Components, Circuits, Devices and Systems
Fields, Waves and Electromagnetics
Microstrip resonators
Design methodology
Simulation
Coplanar waveguides
Microstrip
Impedance
Resonators
Composite resonators (CRs)
coplanar waveguide feeding
microstrip diplexer
transmission zeros (TZs)
- Language
A coplanar waveguide feeding microstrip diplexer based on composite resonators (CRs) is proposed. Transmission zeros (TZs) in each channel are well arranged. The proposed diplexer is designed by virtue of the impedance transformation of open stubs and J-inverters, which simplifies the diplexer design and miniaturizes the circuit size. The overall size of the proposed diplexer is about 0.367 λ g ×0.408 λ g . The insertion loss in the two channel are 0.3 dB and 0.4 dB due to the proposed structure. Isolation characteristic is higher than 23 dB. Simulation results validate the proposed diplexer design method.