A suspended microstripline‐fed K‐band linear‐tapered slot antenna element and its 4 × 4 array designed by the finite‐difference time‐domain method | Zendy

Wu Chen | Zendy

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A suspended microstripline‐fed K‐band linear‐tapered slot antenna element and its 4 × 4 array designed by the finite‐difference time‐domain method

Author(s) -

Wu Chen

Publication year - 2009

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/mop.24662

Subject(s) - finite difference time domain method , microwave , electrical impedance , bandwidth (computing) , engineering , finite element method , antenna (radio) , ohm , optics , electronic engineering , electrical engineering , physics , telecommunications , structural engineering

A linear‐tapered slot antenna (LTSA) element fed by a novel suspended microstripline (SML) feed structure is presented in this article. The element is designed using the finite‐difference time‐domain (FDTD) method. It shows that the element has a wide impedance bandwidth in K‐band. Using the new element, a 4 × 4 SML parallel‐feed array has been designed and built. The measured results demonstrate that the array matches its 50‐ohm SML feed line in a wide frequency band, has better than 16 dBi gain from 17.7 to 23.3 GHz, and has low cross polarizations in both the E‐ and H‐plane. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2406–2410, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24662

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