DESIGN OF A WIDEBAND DIFFERENTIAL PHASE SHIFTER WITH THE APPLICATION OF GENETIC ALGORITHM | Zendy

Jian-Xiao Wang | Zendy; Lin Yang | Zendy; Yue Liu | Zendy; Yi Wang | Zendy; Shuxi Gong | Zendy

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DESIGN OF A WIDEBAND DIFFERENTIAL PHASE SHIFTER WITH THE APPLICATION OF GENETIC ALGORITHM

Author(s) -

Jian-Xiao Wang,

Lin Yang,

Yue Liu,

Yi Wang,

Shuxi Gong

Publication year - 2014

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl14051503

Subject(s) - wideband , phase shift module , differential (mechanical device) , computer science , genetic algorithm , electronic engineering , algorithm , differential phase , telecommunications , engineering , machine learning , aerospace engineering , microwave , keying

In this paper, a wideband difierential phase shifter has been analyzed and designed using Genetic Algorithm (GA). The difierential phase shifter consists of two flxed main lines of length ‚/2, and parallel open and short stubs of length ‚/8, which are shunted at the edge points of the main lines, respectively. With the application of GA, an impedance match and minimum phase deviation for the desired phase shift over a wide frequency band are obtained. In order to verify the optimum results, simulation experiments are made and a 45 - phase shifter is fabricated and measured. The phase shifter exhibits an impedance bandwidth (jS11j < i10dB) and a consistent 45 - (§2 - ) phase difierence bandwidth around 66%.

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