Broadband microstrip branch-line coupler with defected ground structure
β Scribed by Tang, C.-W.; Chen, M.-G.; Lin, Y.-S.; Wu, J.-W.
- Book ID
- 127142337
- Publisher
- The Institution of Electrical Engineers
- Year
- 2006
- Tongue
- English
- Weight
- 210 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0013-5194
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π SIMILAR VOLUMES
## Abstract A compact branchβline coupler (BLC) with a size reduction of about 70% of a conventional BLC has been introduced. The coupler has been designed using a defected ground structure (DGS). No bonding wire or via holes have been used. The simulation results have been verified by measurement
## Abstract Two broadband compact doubly perforated hybrid couplers have been designed, manufactured, and measured. To improve frequency characteristics and to reduce circuit dimensions, two kinds of perforations have been introduced: the defected ground structures in the ground plane metallization