Balanced Diplexers Based on Inner-Coupled Dual-Mode Structures With Intrinsic Common-Mode Suppression | Zendy

Xin Guo | Zendy; Lei Zhu | Zendy; Wen Wu | Zendy

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Balanced Diplexers Based on Inner-Coupled Dual-Mode Structures With Intrinsic Common-Mode Suppression

Author(s) -

Xin Guo,

Lei Zhu,

Wen Wu

Publication year - 2017

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2773467

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, a novel topology of a balanced diplexer is proposed. It is composed of a dualmode structure and two sets of resonators at distinct frequencies. The dual-mode structure has two resonances serving for two three-pole passbands, respectively, in differential mode (DM) and an intrinsic suppression for full stopband in common mode (CM). Thus, it is perfectly suited to design a filtering network in DM, and conserve suppression in CM. In order to obtain two close DM channels and good CM suppression in the meantime, two inner resonators are coupled together via a specific coupling scheme with intrinsic CM suppression to construct it. Two balanced diplexers utilizing the proposed dual-mode structures with varied configurations are proposed, designed, and fabricated, which have well verified the proposed diplexer topology and a design method.

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