Impedance‐matching technique for a latching ferrite variable polarizer in a circular waveguide | Zendy

Che Wenquan | Zendy; Yung Edward KaiNing | Zendy; Sha Kan | Zendy

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Impedance‐matching technique for a latching ferrite variable polarizer in a circular waveguide

Author(s) -

Che Wenquan,

Yung Edward KaiNing,

Sha Kan

Publication year - 2000

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/1098-2760(20001205)27:5<366::aid-mop21>3.0.co;2-7

Subject(s) - impedance matching , polarizer , microwave , ferrite (magnet) , electrical impedance , transformer , optics , matching (statistics) , materials science , quarter wave impedance transformer , bandwidth (computing) , waveguide , electronic engineering , acoustics , engineering , electrical engineering , physics , mathematics , telecommunications , voltage , damping factor , birefringence , statistics

A study is conducted on an impedance‐matching technique for the latching ferrite variable polarizer in a circular cylindrical waveguide. Using the mode‐matching method, a formula is developed for the calculation of the design parameters of a λ/4 impedance‐matching transformer. Excellent agreement is observed between the analytical result and measurement. Furthermore, an improved impedance‐matching technique is introduced to increase the bandwidth from 4.06 to 14.5%. This provides qualitative guidance for the design of analogous devices. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 27: 366–368, 2000.

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