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A broadband coplanar waveguide to rectangular waveguide power divider using a slot
Author(s) -
Fang RueiYing,
Wang ChengTze,
Wang ChunLong
Publication year - 2013
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.20669
Subject(s) - return loss , power dividers and directional couplers , coplanar waveguide , broadband , insertion loss , waveguide , microwave , slot antenna , wilkinson power divider , optics , electrical engineering , bandwidth (computing) , dipole , physics , materials science , optoelectronics , dipole antenna , telecommunications , frequency divider , engineering , antenna (radio) , quantum mechanics
Abstract In this article, a broadband coplanar waveguide (CPW) to rectangular waveguide power divider using the dipole slot is proposed. The power divider consists of an input CPW port and two output rectangular waveguide ports. The CPW to rectangular waveguide power divider using the dipole slot has a return loss larger than 15 dB and an insertion loss equal to 3.08–3.27 dB in the whole X‐band (8.2–12.4 GHz). Furthermore, to broaden the bandwidth, the dipole slot is replaced by the bow‐tie slot. The CPW to rectangular waveguide power divider using the bow‐tie slot yields a return loss larger than 16 dB and an insertion loss equal to 3.05–3.29 dB from 8 to 13 GHz, which exceeds the X‐band. To verify our design, power dividers that use the dipole slot or the bow‐tie slot are fabricated and measured. The measurement results of both power dividers are in good agreement with the simulation results. © 2012 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2013.

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