Miniaturized lumped element complementary RF LTCC diplexer

The proposed diplexer is composed of complementary bandpass filter and bandstop filter in parallel connection. In the presented 3D physical structure, lumped multilayer inductor and Metal-Insulator-Metal (MIM) capacitor are used to realize the circuit elements. The final structure is verified by 3D...

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Bibliographic Details
Main Authors: Yong-Sheng Dai, Shao-Bo Chen, Qun-Fei Han, Wen-Kan Zhou, Li Xu, Cong Zhou, Li-Jie Wang
Format: Conference Proceeding
Language:English
Subjects:
Band pass filters
bandpass filter
bandstop filter
Circuit topology
complementary diplexer
Finite element methods
LTCC
Matched filters
Microwave filters
miniaturization
Radio frequency
Transmission line measurements
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Description
Summary:The proposed diplexer is composed of complementary bandpass filter and bandstop filter in parallel connection. In the presented 3D physical structure, lumped multilayer inductor and Metal-Insulator-Metal (MIM) capacitor are used to realize the circuit elements. The final structure is verified by 3D Electromagnetic (EM) simulator and good agreement is found between simulation and measurement. The size of the fabricated diplexer is 4.3mm×3.2mm×2.6mm.
DOI:10.1109/ICMMT.2012.6230300