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Journal Article
Broadband 180/spl deg/ bit phase shifter using a /spl lambda//2 coupled line and parallel /spl lambda//8 stubs
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- Authors
- Soon-Young Eom
- Issue Date
- 2004-05
- Citation
- IEEE Microwave and Wireless Components Letters, v.14, no.5, pp.228-230
- ISSN
- 1531-1309
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- In this paper, a broadband 180째 bit phase shifter using a new switched-network was presented. The new network is composed of a {\\lambda}/2 coupled line and parallel {\\lambda}/8 open and short stubs, which are shunted at the edge points of a coupled line, respectively. According to a desired phase shift, it provides a controllable phase dispersive characteristic by the proper determination of Zm, Zs, and R values. The 180째 bit phase shifter operated at 3 GHz was fabricated and experimented using design graphs which provide the required Zm, Zs values, and I/O match and phase bandwidths. The experimental performances showed broadband characteristics.
- KSP Keywords
- Coupled line, Phase Shifter, Short stubs