Electromagnetically Coupled Power Divider Using Parasitic Element

Hajime IZUMI  Hiroyuki ARAI  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E84-C   No.10   pp.1597-1601
Publication Date: 2001/10/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
power divider,  parasitic element,  FDTD method,  electromagnetically coupled,  DC-break,  

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Summary: 
This paper describes an electromagnetically coupled microstrip divider that provides high output port isolation and DC cutting. The device consists of a parasitic resonator placed above microstrip patch resonators, achieving tight coupling for both input and output ports. FDTD simulation and measurements reveal that the device has a high isolation between output ports. Equal and unequal 2-way and 3-way power dividers are presented in this paper.