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A comparison of the performance of different tapers in continuous microstrip electromagnetic crystals

✍ Scribed by M. J. Erro; M. A. G. Laso; T. Lopetegi; M. J. Garde; D. Benito; M. Sorolla

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
127 KB
Volume
36
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

The influence of the window shape in the frequency response of electromagnetic crystals (ECs), made by etching a sinusoidal continuous pattern of constant period and variable amplitude on the ground plane of a microstrip line, is studied in terms of rejection level, bandwidth, side‐lobe level, and stopband abruptness. A new parameter, the equivalent number of periods, is found to be a good estimate of the increase in length needed to maintain the rejection level and bandwidth of the uniform structure, while reducing the secondary lobes by applying a window. Β© 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 37–40, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10663

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